This can include repairing damaged or worn-out elements, repainting, replacing fixtures and fittings, and upgrading systems to bring the building up to modern standards.
Gall hyn gynnwys atgyweirio elfennau sydd wedi torri neu wedi treulio, ailbaentio, gosod gosodiadau a ffitiadau newydd, ac uwchraddio systemau i sicrhau bod yr adeilad yn cyrraedd safonau modern.