Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Tudalennau cyngor
Source: gov.uk (2025-04-15)

Mae'r Arolygiaeth Gynllunio wedi cyhoeddi cyfres o dudalennau cynghori sydd â'r bwriad o hysbysu ymgeiswyr, ymgynghorwyr, y cyhoedd ac eraill am ystod o faterion proses mewn perthynas â Deddf Cynllunio 2008 (Deddf Cynllunio 2008).

Mae’r tudalennau cyngor yn cael eu grwpio gyda’i gilydd gan gynulleidfa neu bwnc

View the advice pages in English (https://www.gov.uk/government/collections/national-infrastructure-planning-advice-notes)

Cyngor i ymgeiswyr

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Newidiadau i gais ar ôl iddo gael ei dderbyn i’w archwilio (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-changes-to-an-application-after-it-has-been-accepted-for-examination.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar yr Adroddiad Ymgynghori (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-the-consultation-report.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar Baratoi a Chyflwyno Dogfennau Cais (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-the-preparation-and-submission-of-application-documents.cy)

Nodyn Cyngor 15: Drafftio Gorchmynion Caniatâd Datblygu (https://www.gov.uk/government/publications/nationally-significant-infrastructure-projects-advice-note-fifteen-drafting-development-consent-orders.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar weithio gyda chyrff cyhoeddus yn y broses cynllunio seilwaith (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-working-with-public-bodies-in-the-infrastructure-planning-process.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol - Cyngor ar weithio gyda chyrff cyhoeddus yn y broses cynllunio seilwaith Atodiadau (https://www.gov.uk/guidance/nationally-significant-infrastructure-project-advice-on-working-with-public-bodies-in-the-infrastructure-planning-process-annexes.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar Baratoi Ceisiadau ar gyfer Prosiectau Llinellol (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-preparing-applications-for-linear-projects.cy)

Cyngor i Awdurdodau Lleol

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor i Awdurdodau Lleol (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-for-local-authorities.cy)

Cyngor i aelodau o’r cyhoedd

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol – Termau a ddefnyddir yn aml yn y broses (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-terms-commonly-used-in-the-process.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol a’r bobl a’r sefydliadau sy’n ymwneud â’r broses (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-and-the-people-and-organisations-involved-in-the-process.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Camau’r broses NSIP a sut gallwch leisio’ch barn (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-the-stages-of-the-nsip-process-and-how-you-can-have-your-say.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Sut i gofrestru i leisio’ch barn a gwneud sylw perthnasol (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-how-to-register-to-have-your-say-and-make-a-relevant-representation.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar gyflwyno sylwadau (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-for-submitting-representations-or-comments.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Beth i’w ddisgwyl mewn digwyddiad Prosiect Seilwaith o Arwyddocâd Cenedlaethol (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-what-to-expect-at-a-nationally-significant-infrastructure-project-event.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cofrestru i siarad mewn digwyddiad Prosiect Seilwaith o Arwyddocâd Cenedlaethol, neu ei fynychu (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-registering-to-speak-at-or-attend-a-nationally-significant-infrastructure-project-event.cy)

Cyngor ar gael gwybodaeth am fuddiannau mewn Tir a Hawliau Mynediad.

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar y broses i gael gwybodaeth am fuddiannau mewn tir (o dan adran 52 Deddf Cynllunio 2008) (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-the-process-for-obtaining-information-about-interests-in-land-under-section-52-of-the-plann.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar y broses ar gyfer hawliau mynediad i dir (o dan adran 53 Deddf Cynllunio 2008) (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-the-process-for-rights-of-entry-to-land-under-section-53-of-the-planning-act-2008.cy)

Cyngor ar faterion amgylcheddol

Nodyn Cyngor 7: Asesu Effeithiau Amgylcheddol: Y Broses, Gwybodaeth Amgylcheddol Ragarweiniol a Datganiadau Amgylcheddol (https://www.gov.uk/government/publications/nationally-significant-infrastructure-projects-advice-note-seven-environmental-impact-assessment-process-preliminary-environmental-information-an.cy)

Nodyn Cyngor 9: Amlen Rochdale (https://www.gov.uk/government/publications/nationally-significant-infrastructure-projects-advice-note-nine-rochdale-envelope.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar Asesu Effeithiau Cronnol (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-cumulative-effects-assessment.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar Effeithiau Trawsffiniol a’r Broses (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-transboundary-impacts-and-process.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar Asesiadau Rheoliadau Cynefinoedd (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-habitats-regulations-assessments.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Tudalen Cyngor Technegol ar gyfer Cwmpasu Datblygiad Solar (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-technical-advice-page-for-scoping-solar-development.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar y Gyfarwyddeb Fframwaith Dŵr (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-the-water-framework-directive.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar Hysbysu ac Ymgynghori ynglŷn ag AEA (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-eia-notification-and-consultation.cy)

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cofrestr Ymrwymiadau (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-commitments-register.cy)

Cyngor ar faterion dylunio a thechnegol

Prosiectau Seilwaith o Arwyddocâd Cenedlaethol: Cyngor ar Ddylunio Da (https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-good-design.cy)