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					<dc:identifier>http://www.legislation.gov.uk/asc/2026/5/section/59/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>
					
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									<ukm:Notes><ukm:Note IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/notes" DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/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>       
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				</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/8/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/part/1/chapter/8" NumberOfProvisions="9" id="part-1-chapter-8" TerritorialApplication="W" RestrictExtent="E+W" Match="false" Status="Prospective"><Number>PENNOD 8</Number><Title>DYLETSWYDDAU PRESWYLWYR A PHERCHNOGION ETC. UNEDAU PRESWYL</Title><P1group Match="false" Status="Prospective" RestrictExtent="E+W" TerritorialApplication="W"><Title>Pŵer person atebol i roi hysbysiad rhybuddio: dyletswydd diogelwch tân a diogelwch strwythurol preswylwyr etc.</Title><P1 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59" id="section-59">
<Pnumber PuncAfter=""><CommentaryRef Ref="key-5b06cc3ba716d7d9daf9584483bbb2af"/>59</Pnumber>
<P1para>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/1/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/1" id="section-59-1">
<Pnumber>1</Pnumber>
<P2para>
<Text>Yn unrhyw un neu ragor o achosion 1 i 4 caiff person atebol ar gyfer adeilad rheoleiddiedig roi hysbysiad rhybuddio o dan yr adran hon i—</Text>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/1/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/1/a" id="section-59-1-a">
<Pnumber>a</Pnumber>
<P3para>
<Text>person y mae adran 54 (dyletswyddau diogelwch tân preswylwyr etc. adeiladau rheoleiddiedig) yn gymwys iddo;</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/1/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/1/b" id="section-59-1-b">
<Pnumber>b</Pnumber>
<P3para>
<Text>person y mae adran 55 (dyletswyddau diogelwch strwythurol preswylwyr etc. adeiladau categori 1 a chategori 2) yn gymwys iddo.</Text>
</P3para>
</P3>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/2/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/2" id="section-59-2">
<Pnumber>2</Pnumber>
<P2para>
<Text>Achos 1 yw pan fo—</Text>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/2/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/2/a" id="section-59-2-a">
<Pnumber>a</Pnumber>
<P3para>
<Text>y person atebol yn ystyried bod y person wedi torri, neu yn torri, gofyniad a osodir ar y person gan adran 54(2)(a) neu 55(2)(a) mewn perthynas ag unrhyw un neu ragor o rannau cyffredin yr adeilad, a</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/2/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/2/b" id="section-59-2-b">
<Pnumber>b</Pnumber>
<P3para>
<Text>y naill neu’r llall o’r hyn a ganlyn yn gymwys—</Text>
<P4 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/2/b/i/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/2/b/i" id="section-59-2-b-i">
<Pnumber>i</Pnumber>
<P4para>
<Text>bod y person atebol yn gyfrifol am y rhan o’r adeilad sy’n cynnwys y rhannau cyffredin o dan sylw, neu</Text>
</P4para>
</P4>
<P4 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/2/b/ii/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/2/b/ii" id="section-59-2-b-ii">
<Pnumber>ii</Pnumber>
<P4para>
<Text>y person atebol yw’r prif berson atebol ar gyfer yr adeilad.</Text>
</P4para>
</P4>
</P3para>
</P3>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/3/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/3" id="section-59-3">
<Pnumber>3</Pnumber>
<P2para>
<Text>Achos 2 yw pan fo—</Text>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/3/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/3/a" id="section-59-3-a">
<Pnumber>a</Pnumber>
<P3para>
<Text>y person atebol yn ystyried bod y person wedi torri, neu yn torri, gofyniad a osodir ar y person hwnnw gan adran 54(2)(b) neu 55(2)(b) mewn perthynas ag uned breswyl yn yr adeilad, a</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/3/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/3/b" id="section-59-3-b">
<Pnumber>b</Pnumber>
<P3para>
<Text>y naill neu’r llall o’r hyn a ganlyn yn gymwys—</Text>
<P4 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/3/b/i/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/3/b/i" id="section-59-3-b-i">
<Pnumber>i</Pnumber>
<P4para>
<Text>bod y person atebol yn gyfrifol am y rhan o’r adeilad sy’n cynnwys yr uned breswyl o dan sylw, neu</Text>
</P4para>
</P4>
<P4 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/3/b/ii/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/3/b/ii" id="section-59-3-b-ii">
<Pnumber>ii</Pnumber>
<P4para>
<Text>y person atebol yw’r prif berson atebol ar gyfer yr adeilad.</Text>
</P4para>
</P4>
</P3para>
</P3>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/4/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/4" id="section-59-4">
<Pnumber>4</Pnumber>
<P2para>
<Text>Achos 3 yw pan fo—</Text>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/4/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/4/a" id="section-59-4-a">
<Pnumber>a</Pnumber>
<P3para>
<Text>y person atebol yn ystyried bod y person wedi torri, neu yn torri, gofyniad a osodir ar y person gan adran 54(2)(c) mewn perthynas â pheth sydd yn unrhyw un neu ragor o rannau cyffredin yr adeilad, neu sy’n ffurfio rhan o unrhyw un neu ragor o rannau cyffredin yr adeilad, a</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/4/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/4/b" id="section-59-4-b">
<Pnumber>b</Pnumber>
<P3para>
<Text>y naill neu’r llall o’r hyn a ganlyn yn gymwys—</Text>
<P4 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/4/b/i/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/4/b/i" id="section-59-4-b-i">
<Pnumber>i</Pnumber>
<P4para>
<Text>bod y person atebol yn gyfrifol am y rhan o’r adeilad sy’n cynnwys y rhannau cyffredin o dan sylw, neu</Text>
</P4para>
</P4>
<P4 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/4/b/ii/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/4/b/ii" id="section-59-4-b-ii">
<Pnumber>ii</Pnumber>
<P4para>
<Text>y person atebol yw’r prif berson atebol ar gyfer yr adeilad.</Text>
</P4para>
</P4>
</P3para>
</P3>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/5/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/5" id="section-59-5">
<Pnumber>5</Pnumber>
<P2para>
<Text>Achos 4 yw pan fo’r person atebol yn ystyried bod y person wedi methu â chydymffurfio â chais am wybodaeth a wnaed gan y person atebol yn unol ag adran 54(4) neu 55(4).</Text>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/6/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/6" id="section-59-6">
<Pnumber>6</Pnumber>
<P2para>
<Text>Hysbysiad rhybuddio o dan yr adran hon yw hysbysiad sydd—</Text>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/6/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/6/a" id="section-59-6-a">
<Pnumber>a</Pnumber>
<P3para>
<Text>yn pennu’r toriad neu’r methiant honedig,</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/6/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/6/b" id="section-59-6-b">
<Pnumber>b</Pnumber>
<P3para>
<Text>yn pennu unrhyw gamau rhesymol (y cânt gynnwys darparu gwybodaeth) y mae’r person atebol yn ystyried y dylai’r person eu cymryd, o fewn cyfnod rhesymol a bennir yn yr hysbysiad, i unioni’r toriad neu’r methiant,</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/6/c/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/6/c" id="section-59-6-c">
<Pnumber>c</Pnumber>
<P3para>
<Text>yn pennu unrhyw weithred y mae’r person atebol yn ystyried na ddylai’r person ei wneud, er mwyn osgoi ailadrodd neu barhau â’r toriad neu’r methiant, a</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/6/d/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/6/d" id="section-59-6-d">
<Pnumber>d</Pnumber>
<P3para>
<Text>yn esbonio—</Text>
<P4 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/6/d/i/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/6/d/i" id="section-59-6-d-i">
<Pnumber>i</Pnumber>
<P4para>
<Text>os nad yw’r person yn cydymffurfio â’r hysbysiad y caiff y person atebol wneud cais o dan adran 61 am orchymyn torri, a</Text>
</P4para>
</P4>
<P4 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/6/d/ii/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/6/d/ii" id="section-59-6-d-ii">
<Pnumber>ii</Pnumber>
<P4para>
<Text>effaith gorchymyn o’r fath.</Text>
</P4para>
</P4>
</P3para>
</P3>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/7/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/7" id="section-59-7">
<Pnumber>7</Pnumber>
<P2para>
<Text>Caiff y camau a bennir o dan is-adran (6)(b) mewn hysbysiad rhybuddio a roddir yn achos 3 gynnwys talu swm os—</Text>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/7/a/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/7/a" id="section-59-7-a">
<Pnumber>a</Pnumber>
<P3para>
<Text>yw’r person atebol yn ystyried ei bod yn angenrheidiol, o ganlyniad i’r torri honedig, atgyweirio neu amnewid y peth a gafodd ei dynnu, ei ddifrodi neu yr ymyrrwyd ag ef, a</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/7/b/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/7/b" id="section-59-7-b">
<Pnumber>b</Pnumber>
<P3para>
<Text>nad yw’r swm a bennir yn yr hysbysiad yn fwy na’r gost resymol o wneud hynny.</Text>
</P3para>
</P3>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/8/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/8" id="section-59-8">
<Pnumber>8</Pnumber>
<P2para>
<Text>Pan fo person atebol ar gyfer adeilad yn rhoi hysbysiad rhybuddio o dan yr adran hon, rhaid i’r person atebol sicrhau bod unrhyw berson arall sy’n berson atebol am yr adeilad yn cael ei hysbysu cyn gynted ag y bo’n rhesymol ymarferol.</Text>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/5/section/59/9/welsh" IdURI="http://www.legislation.gov.uk/id/asc/2026/5/section/59/9" id="section-59-9">
<Pnumber>9</Pnumber>
<P2para>
<Text>Yn is-adran (2) mae i “rhannau cyffredin” yr ystyr a roddir gan adran 54(3).‍</Text>
</P2para>
</P2>
</P1para>
</P1></P1group></Chapter></Part></Body></Primary><Commentaries><Commentary Type="I" id="key-5b06cc3ba716d7d9daf9584483bbb2af"><Para><Text>A. 59  ddim mewn grym ar y Cydsyniad Brenhinol, gweler <CitationSubRef id="n275bbe2d37fe840e" 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>