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					<dc:identifier>http://www.legislation.gov.uk/asc/2026/6/section/4</dc:identifier><dc:title>Planning (Wales) Act 2026</dc:title><dc:language>en</dc:language><dc:publisher>Statute Law Database</dc:publisher><dc:modified>2026-06-16</dc:modified><dc:contributor>Expert Participation</dc:contributor><dct:valid>2026-04-28</dct:valid>
					
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					<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="6"/><ukm:EnactmentDate Date="2026-04-27"/><ukm:ISBN Value="9780348114027"/><ukm:UnappliedEffects><ukm:UnappliedEffect Type="modified (temp.)" Created="2026-06-01T10:34:54Z" AffectingNumber="7" AffectingProvisions="Sch. 5 para. 23" RequiresWelshApplied="true" AffectingClass="WelshParliamentAct" AffectedYear="2026" AffectingEffectsExtent="E+W" Row="1680" AffectingTerritorialApplication="W" AffectedClass="WelshParliamentAct" AffectedNumber="6" EffectId="key-8dc9424191eaf36db20a5d93210a56bb" AffectedProvisions="s. 346(3)(c)(ii)" URI="http://www.legislation.gov.uk/id/effect/asc-2026-7-7j0muiu6-1680" AffectingURI="http://www.legislation.gov.uk/id/asc/2026/7" RequiresApplied="true" AffectedURI="http://www.legislation.gov.uk/id/asc/2026/6" AffectingYear="2026"><ukm:AffectedTitle>Planning (Wales) Act 2026</ukm:AffectedTitle><ukm:AffectedTitle xml:lang="cy">Deddf Cynllunio (Cymru) 2026</ukm:AffectedTitle><ukm:AffectedProvisions><ukm:Section Ref="section-346-3-c-ii" URI="http://www.legislation.gov.uk/id/asc/2026/6/section/346/3/c/ii" FoundRef="section-346">s. 346(3)(c)(ii)</ukm:Section></ukm:AffectedProvisions><ukm:AffectingTitle>Planning (Consequential Provisions) (Wales) Act 2026</ukm:AffectingTitle><ukm:AffectingTitle xml:lang="cy">Deddf Cynllunio (Darpariaethau Canlyniadol) (Cymru) 2026</ukm:AffectingTitle><ukm:AffectingProvisions><ukm:Section Ref="schedule-5" URI="http://www.legislation.gov.uk/id/asc/2026/7/schedule/5">Sch. 5 </ukm:Section><ukm:Section Ref="schedule-5-paragraph-23" URI="http://www.legislation.gov.uk/id/asc/2026/7/schedule/5/paragraph/23">para. 23</ukm:Section></ukm:AffectingProvisions><ukm:Savings><ukm:Section Ref="schedule-5" URI="http://www.legislation.gov.uk/id/asc/2026/7/schedule/5">Sch. 5 </ukm:Section><ukm:Section Ref="schedule-5-part-1" URI="http://www.legislation.gov.uk/id/asc/2026/7/schedule/5/part/1">Pt. 1</ukm:Section></ukm:Savings><ukm:CommencementAuthority><ukm:Section Ref="section-5-2" URI="http://www.legislation.gov.uk/id/asc/2026/7/section/5/2">s. 5(2)</ukm:Section></ukm:CommencementAuthority><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/2026/6/section/4/notes" DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/notes"/><ukm:Alternatives><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/6/pdfs/ascen_20260006_mi.pdf" Date="2026-07-07" Title="Explanatory Notes" TitleWelsh="Nodiadau Esboniadol" Size="10974412" Language="Mixed"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/6/pdfs/ascen_20260006_we.pdf" Date="2026-07-07" Title="Explanatory Note" TitleWelsh="Nodiadau Esboniadol" Size="5329492" Language="Welsh"/><ukm:Alternative URI="http://www.legislation.gov.uk/asc/2026/6/pdfs/ascen_20260006_en.pdf" Date="2026-07-07" Title="Explanatory Notes" Size="8432088"/></ukm:Alternatives>       
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				</ukm:Metadata><Primary><Body DocumentURI="http://www.legislation.gov.uk/asc/2026/6/body" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/body" NumberOfProvisions="410" NumberFormat="default" TerritorialApplication="W" RestrictExtent="E+W" RestrictStartDate="2026-04-28"><Part DocumentURI="http://www.legislation.gov.uk/asc/2026/6/part/1" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/part/1" NumberOfProvisions="9" id="part-1" TerritorialApplication="W" RestrictExtent="E+W" RestrictStartDate="2026-04-28"><Number>PART 1</Number><Title>INTRODUCTORY PROVISIONS</Title><Chapter DocumentURI="http://www.legislation.gov.uk/asc/2026/6/part/1/chapter/2" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/part/1/chapter/2" NumberOfProvisions="4" id="part-1-chapter-2" TerritorialApplication="W" RestrictExtent="E+W" RestrictStartDate="2026-04-28"><Number>CHAPTER 2</Number><Title>“DEVELOPMENT” AND RELATED DEFINITIONS</Title><P1group TerritorialApplication="W" RestrictExtent="E+W" RestrictStartDate="2026-04-28"><Title>Building, engineering and mining operations</Title><P1 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4" id="section-4">
<Pnumber PuncAfter=""><CommentaryRef Ref="key-8370256a5ef831a14d0b7fd58b419e0b"/>4</Pnumber>
<P1para>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/1" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/1" id="section-4-1">
<Pnumber>1</Pnumber>
<P2para>
<Text>“<Term id="term-operations">Operations</Term>” means building, engineering, mining or other operations.</Text>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/2" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/2" id="section-4-2">
<Pnumber>2</Pnumber>
<P2para>
<Text>“<Term id="term-building-operations">Building operations</Term>” includes—</Text>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/2/a" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/2/a" id="section-4-2-a">
<Pnumber>a</Pnumber>
<P3para>
<Text>demolishing a building;</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/2/b" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/2/b" id="section-4-2-b">
<Pnumber>b</Pnumber>
<P3para>
<Text>rebuilding a building;</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/2/c" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/2/c" id="section-4-2-c">
<Pnumber>c</Pnumber>
<P3para>
<Text>making any structural alteration or addition to a building;</Text>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/2/d" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/2/d" id="section-4-2-d">
<Pnumber>d</Pnumber>
<P3para>
<Text>other operations normally undertaken by a person carrying on business as a builder.</Text>
</P3para>
</P3>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/3" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/3" id="section-4-3">
<Pnumber>3</Pnumber>
<P2para>
<Text>“<Term id="term-engineering-operations">Engineering operations</Term>” includes forming or laying out a means of access to a highway.</Text>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/4" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/4" id="section-4-4">
<Pnumber>4</Pnumber>
<P2para>
<Text>Where placing or assembling a tank in inland waters for the purpose of fish farming would not otherwise be development of the land below the tank, it is to be treated as carrying out engineering operations over that land.</Text>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/5" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/5" id="section-4-5">
<Pnumber>5</Pnumber>
<P2para>
<Text>“<Term id="term-mining-operations">Mining operations</Term>” means winning and working minerals on land, whether by underground or surface working, and includes—</Text>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/5/a" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/5/a" id="section-4-5-a">
<Pnumber>a</Pnumber>
<P3para>
<Text>removing material of any description from a deposit of—</Text>
<P4 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/5/a/i" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/5/a/i" id="section-4-5-a-i">
<Pnumber>i</Pnumber>
<P4para>
<Text>mineral waste,</Text>
</P4para>
</P4>
<P4 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/5/a/ii" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/5/a/ii" id="section-4-5-a-ii">
<Pnumber>ii</Pnumber>
<P4para>
<Text>pulverised fuel ash or other furnace ash or clinker, or</Text>
</P4para>
</P4>
<P4 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/5/a/iii" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/5/a/iii" id="section-4-5-a-iii">
<Pnumber>iii</Pnumber>
<P4para>
<Text>iron, steel or other metallic slags;</Text>
</P4para>
</P4>
</P3para>
</P3>
<P3 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/5/b" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/5/b" id="section-4-5-b">
<Pnumber>b</Pnumber>
<P3para>
<Text>extracting minerals from a disused railway embankment.</Text>
</P3para>
</P3>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/6" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/6" id="section-4-6">
<Pnumber>6</Pnumber>
<P2para>
<Text>In subsection (3) “<Term id="term-means-of-access">means of access</Term>” includes any means of access, whether private or public, for vehicles or foot passengers, and includes a street.</Text>
</P2para>
</P2>
<P2 DocumentURI="http://www.legislation.gov.uk/asc/2026/6/section/4/7" IdURI="http://www.legislation.gov.uk/id/asc/2026/6/section/4/7" id="section-4-7">
<Pnumber>7</Pnumber>
<P2para>
<Text>In subsection (4)—</Text>
<UnorderedList Class="Definition" Decoration="none">
<ListItem>
<Para>
<Text>“<Term id="term-fish-farming">fish farming</Term>” (“<Term><Emphasis>ffermio pysgod</Emphasis></Term>”) means breeding, rearing or keeping fish or shellfish (which includes all kinds of crustaceans and molluscs);</Text>
</Para>
</ListItem>
<ListItem>
<Para>
<Text>“<Term id="term-inland-waters">inland waters</Term>” (“<Term><Emphasis>dyfroedd mewndirol</Emphasis></Term>”) means waters that do not form part of the sea or of a creek, bay or estuary or of a river as far as the tide flows;</Text>
</Para>
</ListItem>
<ListItem>
<Para>
<Text>“<Term id="term-tank">tank</Term>” (“<Term><Emphasis>tanc</Emphasis></Term>”) includes a cage and any other structure for use in fish farming.</Text>
</Para>
</ListItem>
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</P2>
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</P1></P1group></Chapter></Part></Body></Primary><Commentaries><Commentary Type="I" id="key-8370256a5ef831a14d0b7fd58b419e0b"><Para><Text>S. 4  in force at 28.4.2026, see <CitationSubRef id="ndee5c63d5d4b2fd" SectionRef="section-409-1-a" URI="http://www.legislation.gov.uk/id/asc/2026/6/section/409/1/a" Operative="true">s. 409(1)(a)</CitationSubRef></Text></Para></Commentary></Commentaries></Legislation>