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London

Harrow planning statistics

Householder applications decided in the year to June 2026, compared with the rest of England.

Within 8 weeks, no extension

71.6%

103rd of 297

8.9 points faster than England

Granted

81.7%

272nd of 297

8.8 points lower than England

Extension of time

24.2%

93rd of 297

8.1 points lower than England

Decisions (12 months)

917

Harrow decided 917 householder applications in the year to June 2026, granting 81.7%.

71.6% were decided within 8 weeks with no extension, against 62.7% across England (103rd of 297 for speed).

A further 24.2% were decided under an extension of time agreed with the applicant.

Of 38 householder appeals decided in the same period, 23.7% were allowed.

How quickly decisions are made

Harrow against England, share of householder decisions each quarter

  • Within 8 weeks, no extension
  • Extension of time
  • England, within 8 weeks
Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk
Show data
QuarterWithin 8 weeks, no extensionExtension of timeEngland, within 8 weeks
2008 Q196.4%0.0%89.5%
2008 Q293.3%0.0%89.4%
2008 Q394.5%0.0%89.7%
2008 Q493.7%0.0%90.3%
2009 Q193.6%0.0%90.3%
2009 Q292.9%0.0%91.7%
2009 Q392.1%0.0%91.4%
2009 Q493.8%0.0%91.0%
2010 Q184.2%0.0%88.8%
2010 Q292.3%0.0%89.8%
2010 Q395.0%0.0%88.4%
2010 Q494.1%0.0%87.7%
2011 Q193.0%0.0%86.4%
2011 Q285.7%0.0%85.9%
2011 Q382.6%0.0%84.9%
2011 Q483.5%0.0%84.9%
2012 Q187.4%0.0%83.7%
2012 Q287.3%0.0%84.2%
2012 Q385.8%0.0%82.9%
2012 Q481.5%0.0%85.2%
2013 Q177.2%0.0%85.7%
2013 Q283.5%0.0%86.3%
2013 Q378.5%0.0%85.3%
2013 Q483.6%0.0%86.3%
2014 Q182.6%0.0%85.4%
2014 Q275.3%0.0%84.9%
2014 Q372.9%0.0%82.5%
2014 Q487.3%0.0%82.1%
2015 Q188.7%0.0%80.4%
2015 Q291.7%0.0%80.6%
2015 Q387.7%1.6%79.2%
2015 Q486.3%4.6%80.0%
2016 Q181.9%9.9%78.3%
2016 Q286.7%8.2%79.8%
2016 Q377.8%4.8%77.7%
2016 Q488.3%6.3%78.0%
2017 Q189.4%4.5%77.3%
2017 Q289.0%5.8%78.5%
2017 Q384.8%2.1%76.1%
2017 Q484.4%3.1%77.1%
2018 Q183.0%2.2%73.7%
2018 Q282.2%2.8%74.0%
2018 Q378.4%13.1%72.7%
2018 Q479.4%16.3%72.7%
2019 Q186.9%11.6%69.9%
2019 Q289.4%9.1%72.1%
2019 Q381.2%17.4%69.6%
2019 Q479.7%18.6%71.5%
2020 Q172.4%20.4%68.4%
2020 Q276.3%22.9%63.9%
2020 Q366.2%27.2%63.8%
2020 Q464.5%31.3%65.3%
2021 Q146.5%45.8%59.4%
2021 Q252.1%32.5%58.4%
2021 Q351.9%34.5%53.1%
2021 Q454.8%33.2%53.0%
2022 Q158.0%27.0%51.6%
2022 Q260.7%28.4%56.0%
2022 Q354.8%31.2%53.3%
2022 Q453.0%31.5%54.1%
2023 Q158.1%30.3%53.5%
2023 Q261.0%25.3%58.5%
2023 Q380.3%14.2%59.0%
2023 Q455.1%32.4%59.8%
2024 Q148.9%43.8%58.8%
2024 Q262.0%29.3%64.4%
2024 Q367.5%25.7%64.2%
2024 Q473.6%24.0%65.6%
2025 Q173.7%21.0%62.1%
2025 Q278.9%17.1%65.0%
2025 Q372.7%23.6%62.5%
2025 Q469.6%26.8%64.7%
2026 Q162.8%31.4%60.6%
2026 Q278.8%17.5%62.7%

Share of applications granted

Harrow against England

  • Harrow
  • England
Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk
Show data
QuarterHarrowEngland
2008 Q172.3%85.1%
2008 Q271.1%86.1%
2008 Q372.4%86.3%
2008 Q476.9%85.3%
2009 Q169.8%85.9%
2009 Q268.6%86.8%
2009 Q376.7%87.4%
2009 Q468.8%86.9%
2010 Q175.1%87.0%
2010 Q275.2%88.0%
2010 Q369.1%87.7%
2010 Q471.6%87.5%
2011 Q169.0%87.9%
2011 Q263.8%88.5%
2011 Q354.4%88.3%
2011 Q451.3%88.3%
2012 Q162.1%88.2%
2012 Q263.9%89.2%
2012 Q368.8%89.0%
2012 Q473.0%88.9%
2013 Q182.2%89.8%
2013 Q274.6%90.6%
2013 Q373.0%90.3%
2013 Q470.4%89.6%
2014 Q174.1%89.8%
2014 Q282.6%90.5%
2014 Q372.6%90.0%
2014 Q469.3%89.2%
2015 Q165.4%89.3%
2015 Q271.4%90.2%
2015 Q370.9%90.0%
2015 Q468.9%89.2%
2016 Q170.8%90.0%
2016 Q271.4%90.3%
2016 Q371.9%90.2%
2016 Q463.8%89.7%
2017 Q157.9%89.9%
2017 Q259.2%90.5%
2017 Q365.2%90.0%
2017 Q476.1%90.1%
2018 Q180.8%90.5%
2018 Q280.0%91.0%
2018 Q375.8%91.2%
2018 Q467.6%90.5%
2019 Q160.2%90.3%
2019 Q261.2%91.0%
2019 Q370.8%90.6%
2019 Q473.6%89.8%
2020 Q172.4%89.9%
2020 Q271.4%90.2%
2020 Q377.7%90.6%
2020 Q482.6%90.3%
2021 Q185.4%90.9%
2021 Q281.4%91.2%
2021 Q382.1%91.0%
2021 Q485.6%90.1%
2022 Q180.7%90.0%
2022 Q276.8%90.4%
2022 Q374.9%89.8%
2022 Q472.1%89.4%
2023 Q176.5%89.3%
2023 Q277.3%89.2%
2023 Q368.6%88.6%
2023 Q473.5%88.2%
2024 Q173.5%88.2%
2024 Q273.8%89.1%
2024 Q373.6%89.4%
2024 Q483.5%88.6%
2025 Q182.0%89.3%
2025 Q282.1%90.4%
2025 Q382.6%90.1%
2025 Q485.1%90.1%
2026 Q181.2%90.6%
2026 Q278.8%91.0%

How long decisions took

Householder decisions over the last 12 months

  • Within 8 weeks71.6%
  • 8 to 13 weeks2.4%
  • 13 to 26 weeks1.1%
  • Over 26 weeks0.7%
  • Extension of time agreed24.2%
Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk
Show data
Time takenDecisions
Within 8 weeks657
8 to 13 weeks22
13 to 26 weeks10
Over 26 weeks6
Extension of time agreed222

Appeals

Decided
38
Allowed
23.7%
Median wait
12 weeks

Householder appeals to the Planning Inspectorate decided in the same 12 months. England: 34.4% allowed.

Local constraints

  • Harrow has published 31 conservation areas.
  • Harrow has not published Article 4 data to the national planning data platform.

Both can remove permitted development rights. Not every council has published its data yet, so check with the council before relying on permitted development.

Next steps for your extension

Compare every council · How we calculate these figures

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