<Legislation xmlns="http://www.legislation.gov.uk/namespaces/legislation" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" DocumentURI="http://www.legislation.gov.uk/asc/2026/5/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5" NumberOfProvisions="201" xsi:schemaLocation="http://www.legislation.gov.uk/namespaces/legislation http://www.legislation.gov.uk/schema/legislation.xsd" SchemaVersion="2.0" xml:lang="cy" TerritorialApplication="W" RestrictExtent="E+W" RestrictStartDate="2026-04-28"><ukm:Metadata xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dct="http://purl.org/dc/terms/" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:ukm="http://www.legislation.gov.uk/namespaces/metadata">
					<dc:identifier>http://www.legislation.gov.uk/asc/2026/5/section/53/welsh</dc:identifier><dc:title>Deddf Diogelwch Adeiladau (Cymru) 2026</dc:title><dc:language>cy</dc:language><dc:publisher>Statute Law Database</dc:publisher><dc:modified>2026-06-25</dc:modified><dc:contributor>Expert Participation</dc:contributor><dct:valid>2026-04-28</dct:valid>
					
					<atom:link rel="self" href="http://www.legislation.gov.uk/asc/2026/5/section/53/welsh/data.xml" type="application/xml"/><atom:link rel="http://www.legislation.gov.uk/def/navigation/resources" href="http://www.legislation.gov.uk/asc/2026/5/resources/welsh" title="More Resources"/>
					
					<atom:link rel="http://www.legislation.gov.uk/def/navigation/notes" href="http://www.legislation.gov.uk/id/asc/2026/5/section/53/notes/welsh" title="Explanatory Notes"/><atom:link rel="http://www.legislation.gov.uk/def/navigation/notes/toc" href="http://www.legislation.gov.uk/asc/2026/5/notes/contents/welsh" title="Explanatory Notes Table of Contents"/>
					
					<atom:link rel="http://www.legislation.gov.uk/def/navigation/act" href="http://www.legislation.gov.uk/asc/2026/5/welsh" title="whole act"/><atom:link rel="http://www.legislation.gov.uk/def/navigation/introduction" href="http://www.legislation.gov.uk/asc/2026/5/introduction/welsh" title="introduction"/>
					<atom:link rel="http://www.legislation.gov.uk/def/navigation/body" href="http://www.legislation.gov.uk/asc/2026/5/body/welsh" title="body"/>
					<atom:link rel="http://www.legislation.gov.uk/def/navigation/schedules" href="http://www.legislation.gov.uk/asc/2026/5/schedules/welsh" title="schedules"/>
					
										
					
					
					<atom:link rel="alternate" hreflang="en" href="http://www.legislation.gov.uk/asc/2026/5/section/53"/><atom:link rel="http://purl.org/dc/terms/tableOfContents" hreflang="en" href="http://www.legislation.gov.uk/asc/2026/5/contents" title="Table of Contents"/>
					<atom:link rel="alternate" type="application/rdf+xml" href="http://www.legislation.gov.uk/asc/2026/5/section/53/welsh/data.rdf" title="RDF/XML"/><atom:link rel="alternate" type="application/akn+xml" href="http://www.legislation.gov.uk/asc/2026/5/section/53/welsh/data.akn" title="AKN"/><atom:link rel="alternate" type="application/xhtml+xml" href="http://www.legislation.gov.uk/asc/2026/5/section/53/welsh/data.xht" title="HTML snippet"/><atom:link rel="alternate" type="text/html" href="http://www.legislation.gov.uk/asc/2026/5/section/53/welsh/data.htm" title="Website (XHTML) Default View"/><atom:link rel="alternate" type="text/csv" href="http://www.legislation.gov.uk/asc/2026/5/section/53/welsh/data.csv" title="CSV"/><atom:link rel="alternate" type="application/pdf" href="http://www.legislation.gov.uk/asc/2026/5/section/53/welsh/data.pdf" title="PDF"/>
					<atom:link rel="alternate" type="application/akn+xhtml" href="http://www.legislation.gov.uk/asc/2026/5/section/53/welsh/data.html" title="HTML5 snippet"/>

					
					<atom:link rel="http://purl.org/dc/terms/tableOfContents" hreflang="cy" href="http://www.legislation.gov.uk/asc/2026/5/contents/welsh" title="Table of Contents"/>
					
					<atom:link rel="http://purl.org/dc/terms/hasVersion" href="http://www.legislation.gov.uk/asc/2026/5/section/53/enacted/welsh" title="enacted" hreflang="cy"/><atom:link rel="http://purl.org/dc/terms/hasVersion" href="http://www.legislation.gov.uk/asc/2026/5/section/53/enacted" title="enacted" hreflang="en"/>
					
					<atom:link rel="up" href="http://www.legislation.gov.uk/asc/2026/5/welsh" title="Entire legislation"/><atom:link rel="prev" href="http://www.legislation.gov.uk/asc/2026/5/section/52/welsh" title="Provision; Section 52"/><atom:link rel="prevInForce" href="http://www.legislation.gov.uk/asc/2026/5/section/17/welsh" title="Provision; Section 17"/><atom:link rel="next" href="http://www.legislation.gov.uk/asc/2026/5/section/54/welsh" title="Provision; Section 54"/><atom:link rel="nextInForce" href="http://www.legislation.gov.uk/asc/2026/5/section/133/welsh" title="Provision; Section 133"/>
					<ukm:PrimaryMetadata><ukm:DocumentClassification><ukm:DocumentCategory Value="primary"/><ukm:DocumentMainType Value="WelshParliamentAct"/><ukm:DocumentStatus Value="revised"/></ukm:DocumentClassification><ukm:Year Value="2026"/><ukm:Number Value="5"/><ukm:EnactmentDate Date="2026-04-27"/><ukm:ISBN Value="9780348114010"/><ukm:UnappliedEffects><ukm:UnappliedEffect AffectingURI="http://www.legislation.gov.uk/id/asc/2026/5" AffectedProvisions="s. 53" RequiresWelshApplied="true" AffectedClass="WelshParliamentAct" Modified="2026-06-25T12:30:20Z" Type="coming into force" AffectedExtent="E+W" AffectedYear="2026" AffectedTerritorialApplication="W" Row="57" AffectingProvisions="s. 138(2)" RequiresApplied="true" AffectedURI="http://www.legislation.gov.uk/id/asc/2026/5" AffectingClass="WelshParliamentAct" AffectingNumber="5" AffectedNumber="5" EffectId="key-a82bc12f4fd1d0f30fa51a851dc5a22c" AffectingYear="2026" URI="http://www.legislation.gov.uk/id/effect/key-a82bc12f4fd1d0f30fa51a851dc5a22c"><ukm:AffectedTitle>Building Safety (Wales) Act 2026</ukm:AffectedTitle><ukm:AffectedTitle xml:lang="cy">Deddf Diogelwch Adeiladau (Cymru) 2026</ukm:AffectedTitle><ukm:AffectedProvisions><ukm:Section Ref="section-53" URI="http://www.legislation.gov.uk/id/asc/2026/5/section/53">s. 53</ukm:Section></ukm:AffectedProvisions><ukm:AffectingTitle>Building Safety (Wales) Act 2026</ukm:AffectingTitle><ukm:AffectingTitle xml:lang="cy">Deddf Diogelwch Adeiladau (Cymru) 2026</ukm:AffectingTitle><ukm:AffectingProvisions><ukm:Section Ref="section-138-2" URI="http://www.legislation.gov.uk/id/asc/2026/5/section/138/2">s. 138(2)</ukm:Section></ukm:AffectingProvisions><ukm:InForceDates><ukm:InForce Applied="false" WelshApplied="false" Prospective="true" Qualification=""/></ukm:InForceDates></ukm:UnappliedEffect></ukm:UnappliedEffects></ukm:PrimaryMetadata>
					

                    
									<ukm:Notes><ukm:Note IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/notes" DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/notes/welsh"/><ukm:Alternatives><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/5/pdfs/ascen_20260005_we.pdf" Date="2026-05-22" Title="Explanatory Note" TitleWelsh="Nodiadau Esboniadol - Welsh" Size="2726839" Language="Welsh"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/5/pdfs/ascen_20260005_mi.pdf" Date="2026-05-22" Title="Explanatory Note - Mixed Language" TitleWelsh="Explanatory Note - Mixed Language" Size="4566700" Language="Mixed"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/5/pdfs/ascen_20260005_en.pdf" Date="2026-05-22" Title="Explanatory Note - English" Size="3600739"/></ukm:Alternatives>       
								</ukm:Notes> 
					<ukm:Alternatives><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/5/pdfs/asc_20260005_we.pdf" Date="2026-05-15" Size="3365606" Language="Welsh" Print="false"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/5/pdfs/asc_20260005_en.pdf" Date="2026-05-15" Size="4156974" Print="false"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/5/pdfs/asc_20260005_mi.pdf" Date="2026-05-15" Size="5567976" Language="Mixed" Print="true"/></ukm:Alternatives>
					
					<ukm:Statistics>
									<ukm:TotalParagraphs Value="201"/>
									<ukm:BodyParagraphs Value="156"/>
									<ukm:ScheduleParagraphs Value="45"/>
									<ukm:AttachmentParagraphs Value="0"/>
									<ukm:TotalImages Value="0"/>
								</ukm:Statistics>
				</ukm:Metadata><Primary><Body DocumentURI="http://www.legislation.gov.uk/asc/2026/5/body/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/body" NumberOfProvisions="156" NumberFormat="default" TerritorialApplication="W" RestrictExtent="E+W" RestrictStartDate="2026-04-28"><Part DocumentURI="http://www.legislation.gov.uk/asc/2026/5/part/1/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/part/1" NumberOfProvisions="90" id="part-1" TerritorialApplication="W" RestrictExtent="E+W" RestrictStartDate="2026-04-28"><Number>RHAN 1</Number><Title>DIOGELWCH ADEILADAU SY’N CYNNWYS DWY NEU RAGOR O UNEDAU PRESWYL</Title><Chapter DocumentURI="http://www.legislation.gov.uk/asc/2026/5/part/1/chapter/7/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/part/1/chapter/7" NumberOfProvisions="7" id="part-1-chapter-7" TerritorialApplication="W" RestrictExtent="E+W" Match="false" Status="Prospective"><Number>PENNOD 7</Number><Title>GWYBODAETH A CHWYNION</Title><Pblock DocumentURI="http://www.legislation.gov.uk/asc/2026/5/part/1/chapter/7/crossheading/cwynion/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/part/1/chapter/7/crossheading/cwynion" NumberOfProvisions="3" Match="false" Status="Prospective" id="part-1-chapter-7-crossheading-cwynion" RestrictExtent="E+W" TerritorialApplication="W"><Title>Cwynion</Title><P1group Match="false" Status="Prospective" ConfersPower="true" RestrictExtent="E+W" TerritorialApplication="W"><Title>Cwynion i awdurdodau diogelwch adeiladau</Title><P1 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53" id="section-53">
<Pnumber PuncAfter=""><CommentaryRef Ref="key-60331e28b1b7f818695e516ba8a07650"/>53</Pnumber>
<P1para>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/1/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/1" id="section-53-1">
<Pnumber>1</Pnumber>
<P2para>
<Text>Rhaid i bob awdurdod diogelwch adeiladau sefydlu a gweithredu system ar gyfer ymchwilio i gwynion perthnasol—</Text>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/1/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/1/a" id="section-53-1-a">
<Pnumber>a</Pnumber>
<P3para>
<Text>a wneir i’r awdurdod, neu</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/1/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/1/b" id="section-53-1-b">
<Pnumber>b</Pnumber>
<P3para>
<Text>y cyfeirir ato yn unol â darpariaeth a wneir o dan adran 51(5)(c) neu 52(3)(e).</Text>
</P3para>
</P3>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/2/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/2" id="section-53-2">
<Pnumber>2</Pnumber>
<P2para>
<Text>Yn yr adran hon, ystyr “cwyn berthnasol” yw cwyn sy’n ymwneud ag—</Text>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/2/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/2/a" id="section-53-2-a">
<Pnumber>a</Pnumber>
<P3para>
<Text>risg diogelwch adeilad sy’n ymwneud ag adeilad rheoleiddiedig,</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/2/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/2/b" id="section-53-2-b">
<Pnumber>b</Pnumber>
<P3para>
<Text>cyflawni gan berson atebol ar gyfer adeilad o’r fath unrhyw ddyletswydd o dan y Ddeddf hon neu reoliadau a wneir oddi tani, neu</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/2/c/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/2/c" id="section-53-2-c">
<Pnumber>c</Pnumber>
<P3para>
<Text>cyflawni gan reolwr mesurau arbennig ar gyfer adeilad categori 1 unrhyw swyddogaeth a roddir i’r rheolwr gan orchymyn mesurau arbennig.</Text>
</P3para>
</P3>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/3/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/3" id="section-53-3">
<Pnumber>3</Pnumber>
<P2para>
<Text>Caiff Gweinidogion Cymru, drwy reoliadau, wneud darpariaeth ynghylch sefydlu a gweithredu systemau cwyno o dan yr adran hon.</Text>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/4/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/4" id="section-53-4">
<Pnumber>4</Pnumber>
<P2para>
<Text>Caiff y rheoliadau, yn benodol, wneud darpariaeth—</Text>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/4/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/4/a" id="section-53-4-a">
<Pnumber>a</Pnumber>
<P3para>
<Text>ynghylch y personau y caniateir iddynt wneud cwynion perthnasol i awdurdod diogelwch adeiladau, a’r ffordd y caniateir gwneud cwynion perthnasol i awdurdod diogelwch adeiladau;</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/4/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/4/b" id="section-53-4-b">
<Pnumber>b</Pnumber>
<P3para>
<Text>ynghylch camau y mae rhaid i berson eu cymryd cyn gwneud cwyn berthnasol;</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/4/c/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/4/c" id="section-53-4-c">
<Pnumber>c</Pnumber>
<P3para>
<Text>ynghylch y cyfnod y mae rhaid ystyried a delio â chŵyn berthnasol ynddo a’r ffordd y mae rhaid ystyried a delio â chŵyn berthnasol (gan gynnwys darpariaeth ynghylch camau gweithredu y mae rhaid i awdurdod diogelwch adeiladau ystyried eu cymryd mewn ymateb i gŵyn);</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/4/d/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/4/d" id="section-53-4-d">
<Pnumber>d</Pnumber>
<P3para>
<Text>i awdurdod diogelwch adeiladau benderfynu ar gwestiynau y cyfeirir ato yn unol â’r ddarpariaeth a wneir o dan adran 51(5)(c) neu 52(3)(e) ynghylch a yw cwynion yn gwynion perthnasol;</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/53/4/e/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/53/4/e" id="section-53-4-e">
<Pnumber>e</Pnumber>
<P3para>
<Text>ar gyfer cyhoeddi gwybodaeth gan awdurdod diogelwch adeiladau mewn perthynas â’i system gwyno neu gwynion a wneir oddi tani.</Text>
</P3para>
</P3>
</P2para>
</P2>
</P1para>
</P1></P1group></Pblock></Chapter></Part></Body></Primary><Commentaries><Commentary Type="I" id="key-60331e28b1b7f818695e516ba8a07650"><Para><Text>A. 53  ddim mewn grym ar y Cydsyniad Brenhinol, gweler <CitationSubRef id="n5e3f1ca81377afe6" SectionRef="section-138-2" URI="http://www.legislation.gov.uk/id/asc/2026/5/section/138/2" Operative="true">a. 138(2)</CitationSubRef></Text></Para></Commentary></Commentaries></Legislation>