Adeiladu Ac Adeiladau, Cymru RHAN 1 Rhagarweiniol Enwi, cychwyn, cymhwyso a dehongli 1 1 Enw’r Rheoliadau hyn yw Rheoliadau Rheoliadau Adeiladu etc. (Diwygio) (Adeiladau Ynni a Eithrir) (Cymru) 2018. 2 Daw’r Rheoliadau hyn i rym ar 8 Mehefin 2018. 3 Mae’r Rheoliadau hyn yn gymwys mewn perthynas ag adeiladau ynni a eithrir yng Nghymru. 4 Yn y Rheoliadau hyn mae i “adeiladau ynni a eithrir” yr ystyr a roddir i “excepted energy buildings” yn yr Atodlen i Orchymyn Gweinidogion Cymru (Trosglwyddo Swyddogaethau) (Rhif 2) 2009 . RHAN 2 Rheoliadau Adeiladu 2010 Diwygio Rheoliadau Adeiladu 2010 2 Mae Rheoliadau Adeiladu 2010 wedi eu diwygio fel y nodir yn rheoliadau 3 i 16 . Rhan 1 (cyffredinol) 3 Yn rheoliad 2 (dehongli), ym mharagraff (1)— a yn y diffiniad o “energy efficiency requirements”— i ar ôl “26A,” mewnosoder “26B,”; ii yn lle “40 and 43” rhodder “and 40”; b hepgorer “excepted energy building”, “new dwelling”, “optional requirement” a “planning permission” a’u priod ddiffiniadau. Rhan 2 (rheoli gwaith adeiladu) 4 1 Yn rheoliad 4 (gofynion sy’n ymwneud â gwaith adeiladu)— a ym mharagraff (1)(b) hepgorer y geiriau o “, except as may” hyd at y diwedd; b hepgorer paragraffau (1A) i (1D). 2 Yn rheoliad 6 (gofynion sy’n ymwneud â newid defnydd sylweddol)— a ym mharagraff (1)— i yn is-baragraff (i) yn lle “M1 (access to and use of buildings other than dwellings)” rhodder “M1 (access and use)”; ii hepgorer is-baragraff (j); b ym mharagraff (2)— i ar ddiwedd is-baragraff (c) mewnosoder “and”; ii hepgorer is-baragraff (e). 3 Yn rheoliad 8 (cyfyngiadau ar ofynion) ar ôl “K” mewnosoder “, N”. 4 Yn rheoliad 9 (adeiladau a gwaith esempt)— a ym mharagraff (3)(a) hepgorer “used for domestic purposes”; b yn lle paragraff (4) rhodder— 4 The requirements of paragraph R1 of Schedule 1 apply to buildings controlled under other legislation falling within class 1 in Schedule 2. 5 Yn rheoliad 11(3) (pŵer i hepgor neu lacio gofynion)— a ar ôl “25B” hepgorer “and”; b ar ôl “paragraph R1” hepgorer “(in-building physical infrastructure for high-speed electronic communications networks)”. Rhan 3 (hysbysiadau, planiau a thystysgrifau) 5 1 Yn rheoliad 12 (rhoi hysbysiad adeiladu neu adneuo planiau)— a ym mharagraff (6)— i ar ddiwedd is-baragraff (a) mewnosoder “or”; ii ar ddiwedd is-baragraff (b) hepgorer “; or”; iii hepgorer is-baragraff (c); b hepgorer paragraff (6A); c ym mharagraff (9)— i ar ddiwedd y diffiniad o “private street” hepgorer “and”; ii hepgorer “special location” a’i ddiffiniad. 2 Yn rheoliad 13 (manylion a phlaniau pan roddir hysbysiad adeiladu)— a ym mharagraff (1)— i ar ddiwedd is-baragraff (b) mewnosoder “and”; ii ar ddiwedd is-baragraff (c) hepgorer “; and”; iii hepgorer is-baragraff (d); b hepgorer paragraff (1A). 3 Yn rheoliad 14 (y planiau llawn) ym mharagraff (3)(a) hepgorer “, (1A)”. 4 Yn rheoliad 16 (hysbysiad cychwyn a chwblhau camau penodol o’r gwaith)— a yn lle paragraffau (2) a (3) rhodder— 2 Subject to paragraph (8), a person carrying out building work shall not— a cover up any excavation for a foundation, any foundation, any damp-proof course or any concrete or other material laid over a site; or b cover up in any way any drain or sewer to which these Regulations apply, unless that person has given the local authority notice of intention to commence that work, and at least one day has elapsed since the end of the day on which the notice was given. 3 Subject to paragraph (8), a person who has laid, haunched or covered any drain or sewer in respect of which Part H of Schedule 1 (drainage and waste disposal) imposes a requirement shall give notice to that effect to the local authority not more than five days after the completion of the work. ; b hepgorer paragraffau (3A) a (3B); c ym mharagraff (6) yn lle “or (2)” rhodder “to (3)”. 5 Yn rheoliad 17 (tystysgrifau cwblhau), ym mharagraff (2A)— a yn is-baragraff (c) yn lle “(target fabric energy efficiency requirements for new dwellings)” rhodder “(primary energy consumption rates for new buildings)”; b ar ôl is-baragraff (c) mewnosoder— ca regulation 26B (fabric performance values for new dwellings), . Rhan 5 (cynlluniau hunanardystio a chynlluniau hunanardystio trydydd parti) 6 1 Ym mhennawd Rhan 5 hepgorer “and third party certification schemes”. 2 Yn rheoliad 20 (y darpariaethau sy’n gymwys i gynlluniau hunanardystio)— a ar ôl paragraff (3B) mewnosoder— 3C Such a statement that relates to a part of the work must specify which part was paid for using the green deal plan. ; b ar ddiwedd paragraff (5) mewnosoder “, and the certificate shall contain this wording”. 3 Hepgorer rheoliad 20A (y darpariaethau sy’n gymwys i gynlluniau ardystio trydydd parti). Rhan 6 (gofynion effeithlonrwydd ynni) 7 1 Yn rheoliad 21 (cymhwyso gofynion effeithlonrwydd ynni), ym mharagraff (4)— a ar ddiwedd is-baragraff (a) hepgorer “or”; b ar ddiwedd is-baragraff (b) mewnosoder “to heat the conservatory or porch; or”; c ar ôl is-baragraff (b), mewnosoder— c in which a fixed heating appliance has been provided to heat the conservatory or porch. 2 Yn lle rheoliad 25 (y gofynion perfformiad ynni gofynnol ar gyfer adeiladau newydd) rhodder— 25 The Welsh Ministers shall approve minimum energy performance requirements for new buildings, in the form of target CO² emission rates, which shall be calculated and expressed in accordance with the methodology approved pursuant to regulation 24. 3 Ar ôl rheoliad 25B (gofynion bron yn ddi-ynni ar gyfer adeiladau newydd) mewnosoder— New buildings: minimum energy performance requirements 25C Minimum energy performance requirements must be approved by the Welsh Ministers, calculated and expressed in accordance with the methodology approved pursuant to regulation 24, for— a new buildings (other than new dwellings), in the form of target primary energy consumption rates; and b new dwellings, in the form of target fabric performance values. 4 Yn lle rheoliad 26A (cyfradd effeithlonrwydd ynni adeiladwaith) a’r pennawd uwchben rhodder— Primary Energy comsumption rates for new buildings 26A Where a building (other than a dwelling) is erected, it must not exceed the target primary energy consumption rate for the building which has been approved pursuant to regulation 25C(a), applying the methodology of calculation and expression of the energy performance of buildings approved pursuant to regulation 24. 5 Ar ôl rheoliad 26A mewnosoder— Fabric performance values for new dwellings 26B Where a dwelling is erected, it must not exceed the target fabric performance values for the dwelling which have been approved pursuant to regulation 25C(b), applying the methodology of calculation and expression of the energy performance of buildings approved pursuant to regulation 24. 6 Yn rheoliad 27A (cyfrifiadau cyfraddau effeithlonrwydd ynni adeiladwaith)— a yn lle’r pennawd rhodder “Primary energy consumption rate calculations”; b ym mharagraff (1) yn lle “dwelling” rhodder “building (other than a dwelling)”; c ym mharagraffau (2) a (3) yn lle “shall” ym mhob lle y mae’n digwydd rhodder “must”; d ym mharagraffau (2)(a) a (b) a (3)(a)(i) a (ii) yn lle “fabric efficiency rate for the dwelling” ym mhob lle y mae’n digwydd rhodder “primary energy consumption rate for the building”; e ym mharagraffau (2)(c) a (3)(a)(iii) yn lle “dwelling” ym mhob lle y mae’n digwydd rhodder “building”; f ym mharagraff (5) yn lle “fabric energy efficiency rate” rhodder “primary energy consumption rate”. 7 Ar ôl rheoliad 27A mewnosoder— Fabric performance values calculations 27B 1 This regulation applies where a dwelling is erected and regulation 26B applies. 2 Not later than the day before the work starts, the person carrying out the work must give the local authority a notice which specifies— a the target fabric performance values for the dwelling, calculated and expressed in accordance with the methodology approved pursuant to regulation 24; b the fabric performance values for the dwelling as designed, calculated and expressed in accordance with the methodology approved pursuant to regulation 24; and c a list of specifications to which the dwelling is to be constructed. 3 Not later than five days after the work has been completed, the person carrying out the work must give the local authority— a a notice which specifies— i the target fabric performance values for the dwelling, calculated and expressed in accordance with the methodology approved pursuant to regulation 24; ii the fabric performance values for the dwelling as constructed, calculated and expressed in accordance with the methodology approved pursuant to regulation 24; and iii whether the dwelling has been constructed in accordance with the list of specifications referred to in paragraph 2(c), and if not a list of any changes to those specifications; or b a certificate of the sort referred to in paragraph (4) accompanied by the information referred to in sub-paragraph (a). 4 A local authority is authorised to accept, as evidence that the requirements of regulation 26B have been satisfied, a certificate to that effect by an energy assessor who is accredited to produce energy performance certificates for that category of building. 5 In this regulation, “specifications” means specifications used for the calculation of the fabric performance values. 8 Yn lle rheoliad 28 (gwelliannau canlyniadol i berfformiad ynni) rhodder— 28 1 Paragraph (3) applies to an existing building with a total useful floor area over 1000m² where the proposed building work consists of or includes— a the initial provision of any fixed building services; or b an increase to the installed capacity of any fixed building services. 2 Paragraph (3) applies to an existing building where the proposed building work consists of or includes— a an extension; or b the extension of the building’s heating system or the provision of a fixed heating appliance, to heat a previously unheated space. 3 Subject to paragraph (4), where this paragraph applies, such work, if any, shall be carried out as is necessary to ensure that the building complies with the requirements of Part L of Schedule 1. 4 Nothing in paragraph (3) requires work to be carried out if it is not technically, functionally and economically feasible. 9 Yn rheoliad 34 (cymhwyso rheoliadau adeiladu i adeiladau addysgol, adeiladau ymgymerwyr statudol neu adeiladau’r goron) yn lle “25(a)” rhodder “25”. 10 Yn rheoliad 35 (dehongli Rhan 6) hepgorer “fabric energy efficiency” a “new dwelling” a’u priod ddiffiniadau. Rhan 7 (effeithlonrwydd dŵr) 8 1 Yn lle rheoliad 36 (effeithlonrwydd dŵr anheddau newydd) rhodder— 36 1 The potential consumption of wholesome water by persons occupying a dwelling to which this regulation applies must not exceed 125 litres per person per day, calculated in accordance with the methodology approved by the Welsh Ministers. 2 This regulation applies to a dwelling which is— a erected; or b formed by a material change of use of a building within the meaning of regulation 5(a) or (b). 2 Yn lle paragraff (1) o reoliad 37 (cyfrifo’r defnydd o ddŵr dihalog) rhodder— 1 Where regulation 36 applies, the person carrying out the work must give the local authority a notice which specifies the potential consumption of wholesome water per person per day calculated in accordance with the methodology referred to in that regulation in relation to the completed dwelling. Rhan 7A Systemau Llethu Tân Awtomatig 9 Ar ôl Rhan 7 mewnosoder— PART 7A Automatic Fire Suppression Systems Provision of automatic fire suppression systems 37A 1 This regulation applies where building work consists of the erection or material change of use of a building in relation to— a care homes, which means places at which a care home service, within the meaning of Part 1 of the Regulation and Inspection of Social Care (Wales) Act 2016, is provided wholly or mainly to persons aged 18 or over; b rooms for residential purposes other than rooms in— i a hostel providing temporary accommodation to those who are ordinarily resident elsewhere; ii an hotel; iii a prison or young offender institution; and iv a hospital; c dwelling-houses and flats, subject to paragraphs (4) and (5). 2 For the purposes of this regulation a material change of use comprises or includes a change of use within regulation 5 (a), (b), (c), (d), (g), (h) or (i). 3 A building to which this regulation applies must be provided with an automatic fire suppression system which is installed and operates in accordance with the requirements set in regulation 37B. 4 This regulation does not apply to buildings which are— a listed in accordance with section 1 of the Planning (Listed Buildings and Conservation Areas) Act 1990 ; b in a conservation area designated in accordance with section 69 of that Act; or c included in the schedule of monuments maintained under section 1 of the Ancient Monuments and Archaeological Areas Act 1979 , where installation of a fire suppression system would unacceptably alter their character or appearance. 5 This regulation does not apply to temporary buildings with a planned time of use of two years or less. Requirements of automatic fire suppression systems 37B For the purposes of regulation 37A(3), the requirements of an automatic fire suppression system are the requirements set out in any document approved and issued under section 6 of the Building Act 1984 for the purpose of providing practical guidance as to the requirements of regulation 37A. Rhan 9 (profi a chomisiynu) 10 Yn rheoliad 43 (profi pwysedd) ym mharagraff (2) hepgorer “and regulation 26A”. Rhan 9A (seilwaith ffisegol ar gyfer rhwydweithiau cyfathrebu electronig cyflym) 11 1 Yn lle rheoliad 44A (cymhwyso paragraff R1 o Atodlen 1 i adeiladau addysgol, adeiladau ymgymerwyr statudol ac adeiladau’r Goron) rhodder— 44A The requirements of paragraph R1 (in-building physical infrastructure for high-speed electronic communications networks) of Schedule 1 apply to— a educational buildings and buildings of statutory undertakers, falling within paragraphs (a), (b) or (c) of section 4(1) of the Act (notwithstanding section 4(1) of the Act); b Crown buildings; and c building work carried out or proposed to be carried out by Crown authorities. 2 Yn rheoliad 44B (esemptiadau rhag paragraff R1 o Atodlen 1) ym mharagraff (a)— a ar ddiwedd is-baragraff (i) hepgorer “or”; b ar ddiwedd is-baragraff (ii) mewnosoder “or”; c ar ôl is-baragraff (ii) mewnosoder— iii included in the schedule of monuments maintained under section 1 of the Ancient Monuments and Archaeological Areas Act 1979, . Rhan 10 (amrywiol) 12 Yn lle rheoliad 47 (torri rheoliadau penodol i beidio â bod yn drosedd) rhodder— 47 Regulations 17, 17A, 25A, 27, 27A, 27B, 37, 41, 42, 43 and 44 are designated as provisions to which section 35 of the Act (penalty for contravening building regulations) does not apply. Atodlen 1 (gofynion mewn perthynas â gwaith adeiladu) 13 Yn Atodlen 1— a yn Rhan H (draenio a gwaredu gwastraff), yn is-baragraff (a) o’r ail golofn o ofyniad H3(2) (draenio dŵr glaw)— i yn lle “M1 (access to and use of buildings other than dwellings)” rhodder “M1 (access and use), or”; ii hepgorer “, or requirement M4(1), (2) or (3) (access to and use of dwellings)”; b yn lle Rhan K (diogelu rhag cwympo, gwrthdaro a tharo yn erbyn) rhodder— PART K PROTECTION FROM FALLING, COLLISION AND IMPACT Stairs, ladders and ramps K1. Stairs, ladders and ramps shall be so designed, constructed and installed as to be safe for people moving between different levels in or about the building. Requirement K1 applies only to stairs, ladders and ramps which form part of the building. Protection from falling K2 . (a) Any stairs, ramps, floors and balconies and any roof to which people have access, and (b) any light well, basement area or similar sunken area connected to a building, shall be provided with barriers where it is necessary to protect people in or about the building from falling. Requirement K2(a) applies only to stairs and ramps which form part of the building. Vehicle barriers and loading bays K3. —(1) Vehicle ramps and any levels in a building to which vehicles have access, shall be provided with barriers where it is necessary to protect people in or about the building. (2) Vehicle loading bays shall be constructed in such a way, or be provided with such features, as may be necessary to protect people in them from collision with vehicles. Protection from collision with open windows etc. K4. Provision shall be made to prevent people moving in or about the building from colliding with open windows, skylights or ventilators. Requirement K4 does not apply to dwellings. Protection against impact from and trapping by doors K5. —(1) Provision shall be made to prevent any door or gate— (a) which slides or opens upwards, from falling onto any person; and (b) which is powered, from trapping any person. (2) Provision shall be made for powered doors and gates to be opened in the event of a power failure. (3) Provision shall be made to ensure a clear view of the space on either side of a swing door or gate. Requirement K5 does not apply to— (a) dwellings, or (b) any door or gate which is part of a lift. c Yn lle Rhan M (mynediad i adeilad a’r defnydd o adeilad) rhodder— PART M ACCESS TO AND USE OF BUILDINGS Access and use M1. Reasonable provision shall be made for people to— (a) gain access to, and (b) use the building and its facilities. The requirements of this Part do not apply to— (a) an extension of or material alteration of a dwelling; or (b) any part of a building which is used solely to enable the building or any service or fitting in the building to be inspected, repaired or maintained Access to extensions to buildings other than dwellings M2. Suitable independent access shall be provided to the extension where reasonably practicable. Requirement M2 does not apply where suitable access to the extension is provided through the building that is extended. Sanitary conveniences in extensions to buildings other than dwellings M3. If sanitary conveniences are provided in any building that is to be extended, reasonable provision shall be made within the extension for sanitary conveniences. Requirement M3 does not apply where there is reasonable provision for sanitary conveniences elsewhere in the building, such that people occupied in, or otherwise having occasion to enter the extension, can gain access to and use those sanitary conveniences. Sanitary conveniences in dwellings M4. —(1) Reasonable provision shall be made in the entrance storey for sanitary conveniences, or where the entrance storey contains no habitable rooms, reasonable provision for sanitary conveniences shall be made in either the entrance storey or principal storey. (2) In this paragraph “entrance storey” means the storey which contains the principal entrance and “principal storey” means the storey nearest to the entrance storey which contains a habitable room, or if there are two such storeys equally near, either such storey. d Ar ôl Rhan M mewnosoder— PART N GLAZING — SAFETY IN RELATION TO IMPACT, OPENING AND CLEANING Protection against impact N1. Glazing, with which people are likely to come into contact whilst moving in or about the building shall— (a) if broken on impact, break in a way which is unlikely to cause injury; or (b) resist impact without breaking; or (c) be shielded or protected from impact. Manifestation of glazing N2. Transparent glazing, with which people are likely to come into contact while moving in or about the building, shall incorporate features which make it apparent. Requirement N2 does not apply to dwellings. Safe opening and closing of windows etc. N3. Windows, skylights and ventilators which can be opened by people in or about the building shall be so constructed or equipped that they may be opened, closed or adjusted safely. Requirement N3 does not apply to dwellings. Safe access for cleaning windows etc. N4 . Provision shall be made for any windows, skylights, or any transparent or translucent walls, ceilings or roofs to be safely accessible for cleaning. Requirement N4 does not apply to— (a) dwellings; or (b) any transparent or translucent elements whose surfaces are not intended to be cleaned. e hepgorer Rhan Q (diogelwch). Atodlen 2 (adeiladau a gwaith esempt) 14 Yn Nosbarth 7 (estyniadau) yn lle “Part K4, K5.1, K5.2, K5.3, and K5.4” rhodder “Part N”. Atodlen 3A (cynlluniau ardystio trydydd parti ac esemptiadau rhag gofyniad i roi hysbysiad adeiladu neu i adneuo planiau llawn) 15 Hepgorer Atodlen 3A. Atodlen 4 (disgrifiadau o’r gwaith pan na fo’n ofynnol rhoi hysbysiad adeiladu nac adneuo planiau llawn) 16 1 Ym mharagraff 1— a ar ôl “work consisting of” mewnosoder— a replacing any fixed electrical equipment which does not include the provision of— i any new fixed cabling, or ii a consumer unit; b replacing a damaged cable for a single circuit only; c re-fixing or replacing enclosures of existing installation components, where the circuit protective measures are unaffected; d providing mechanical protection to an existing fixed installation, where the circuit protective measures and current carrying capacity of conductors are unaffected by the increased thermal insulation; e installing or upgrading main or supplementary equipotential bonding; ; b yn is-baragraff (g)— i ym mharagraff (i) hepgorer “(other than a fixed flueless gas cooker)”; ii ym mharagraff (ii) yn lle “12(6A)” rhodder “12(6)(b)”. 2 Ar ôl paragraff 1 mewnosoder— 2 Work which— a is not in a kitchen, or a special location; b does not involve work on a special installation; and c consists of— i adding light fittings and switches to an existing circuit, or ii adding socket outlets and fused spurs to an existing ring or radial circuit. 3 Work on— a telephone wiring or extra-low voltage wiring for the purposes of communications, information technology, signalling, control and similar purposes, where the wiring is not in a special location; b equipment associated with the wiring referred to in sub-paragraph (a); c pre-fabricated equipment sets and associated flexible leads with integral plug and socket connections. 3 Ym mharagraff 4 mewnosoder yn y mannau priodol— “kitchen” means a room or part of a room which contains a sink and food preparation facilities; ; “special installation” means an electric floor or ceiling heating system, an outdoor lighting or electric power installation, an electricity generator, or an extra-low voltage lighting system which is not a pre-assembled lighting set bearing the CE marking referred to in regulation 39 of the Electrical Equipment (Safety) Regulations 2016” ; ; “special location” means a location within the limits of the relevant zones specified for a bath, a shower, a swimming or paddling pool or a hot air sauna in the Wiring Regulations, seventeenth edition, published by the Institution of Electrical Engineers and the British Standards Institution as BS 7671: 2008 . RHAN 3 Rheoliadau Adeiladu (Arolygwyr Cymeradwy etc.) 2010 Diwygiadau i Reoliadau Adeiladu (Arolygwyr Cymeradwy etc.) 2010 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rhan 1 (cyffredinol) 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rhan 2 (rhoi cymeradwyaeth a ’ i thynnu yn ôl) 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rhan 3 (goruchwylio gwaith gan arolygwyr cymeradwy) 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rhan 4 (cymhwyso darpariaethau’r prif reoliadau) 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Atodlen 1 (ffurflenni) 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Atodlen 2 (y seiliau dros wrthod hysbysiad cychwynnol, hysbysiad diwygio, neu dystysgrif planiau wedi ei chyfuno â hysbysiad cychwynnol) 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Atodlen 3 (y seiliau dros wrthod tystysgrif planiau, neu dystysgrif planiau wedi ei chyfuno â hysbysiad cychwynnol) 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Atodlen 4 (y seiliau dros wrthod tystysgrif derfynol) 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Atodlen 5 (y seiliau dros wrthod hysbysiad corff cyhoeddus, neu hysbysiad corff cyhoeddus wedi ei gyfuno â thystysgrif planiau) 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Atodlen 6 (y seiliau dros wrthod tystysgrif planiau corff cyhoeddus, neu hysbysiad corff cyhoeddus wedi ei gyfuno â thystysgrif planiau) 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Atodlen 7 (y seiliau dros wrthod tystysgrif derfynol corff cyhoeddus) 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RHAN 4 Darpariaeth Drosiannol Darpariaeth drosiannol 29 Nid yw’r diwygiadau a wneir gan y Rheoliadau hyn yn gymwys mewn unrhyw achos pan fo, cyn y dyddiad y daw’r Rheoliadau hyn i rym, mewn perthynas ag adeilad ynni a eithrir— a hysbysiad adeiladu, hysbysiad cychwynnol, tystysgrif planiau neu hysbysiad corff cyhoeddus yn cael ei roi i awdurdod lleol, neu gynlluniau llawn yn cael eu hadneuo gydag awdurdod lleol; neu b gwaith adeiladu yn cael ei wneud neu wedi ei wneud yn unol ag unrhyw hysbysiad neu blaniau o’r fath, pa un a oes unrhyw wyro oddi wrth yr hysbysiad hwnnw neu’r planiau hynny ai peidio. Lesley Griffiths Ysgrifennydd y Cabinet dros Ynni, Cynllunio a Materion Gwledig, un o Weinidogion Cymru 30 Ebrill 2018