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London

Merton planning statistics

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

Within 8 weeks, no extension

39.9%

267th of 297

22.8 points slower than England

Granted

92.9%

136th of 297

2.4 points higher than England

Extension of time

46.5%

246th of 297

14.2 points higher than England

Decisions (12 months)

759

Merton decided 759 householder applications in the year to June 2026, granting 92.9%.

39.9% were decided within 8 weeks with no extension, against 62.7% across England (267th of 297 for speed).

A further 46.5% were decided under an extension of time agreed with the applicant.

That is down from 63.5% a year earlier.

Of 20 householder appeals decided in the same period, 30.0% were allowed.

How quickly decisions are made

Merton 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 Q186.5%0.0%89.5%
2008 Q280.0%0.0%89.4%
2008 Q380.3%0.0%89.7%
2008 Q486.4%0.0%90.3%
2009 Q189.3%0.0%90.3%
2009 Q282.9%0.0%91.7%
2009 Q393.7%0.0%91.4%
2009 Q494.7%0.0%91.0%
2010 Q187.5%0.0%88.8%
2010 Q281.1%0.0%89.8%
2010 Q380.1%0.0%88.4%
2010 Q479.9%0.0%87.7%
2011 Q185.6%0.0%86.4%
2011 Q284.2%0.0%85.9%
2011 Q387.4%0.0%84.9%
2011 Q486.3%0.0%84.9%
2012 Q184.8%0.0%83.7%
2012 Q281.7%0.0%84.2%
2012 Q378.5%0.0%82.9%
2012 Q488.7%0.0%85.2%
2013 Q178.7%0.0%85.7%
2013 Q276.3%0.0%86.3%
2013 Q359.3%0.0%85.3%
2013 Q463.9%0.0%86.3%
2014 Q162.4%0.0%85.4%
2014 Q287.6%0.0%84.9%
2014 Q383.9%0.0%82.5%
2014 Q483.1%0.0%82.1%
2015 Q190.2%0.0%80.4%
2015 Q286.3%0.0%80.6%
2015 Q387.0%0.3%79.2%
2015 Q482.3%1.7%80.0%
2016 Q168.2%11.5%78.3%
2016 Q284.9%15.1%79.8%
2016 Q373.8%15.4%77.7%
2016 Q474.4%15.8%78.0%
2017 Q179.0%16.2%77.3%
2017 Q261.0%22.7%78.5%
2017 Q364.9%20.1%76.1%
2017 Q465.2%23.3%77.1%
2018 Q157.9%36.0%73.7%
2018 Q266.4%33.6%74.0%
2018 Q366.2%28.5%72.7%
2018 Q471.0%25.1%72.7%
2019 Q165.3%28.2%69.9%
2019 Q264.3%27.1%72.1%
2019 Q362.1%24.6%69.6%
2019 Q463.7%24.2%71.5%
2020 Q163.7%24.2%68.4%
2020 Q254.3%30.0%63.9%
2020 Q345.7%32.7%63.8%
2020 Q452.9%29.0%65.3%
2021 Q154.7%33.7%59.4%
2021 Q251.7%28.2%58.4%
2021 Q355.6%27.5%53.1%
2021 Q457.2%28.9%53.0%
2022 Q149.3%38.2%51.6%
2022 Q245.5%42.4%56.0%
2022 Q339.8%42.4%53.3%
2022 Q445.3%43.2%54.1%
2023 Q157.7%42.3%53.5%
2023 Q258.5%39.5%58.5%
2023 Q359.6%38.6%59.0%
2023 Q452.9%42.8%59.8%
2024 Q157.9%38.8%58.8%
2024 Q259.9%32.8%64.4%
2024 Q358.0%33.2%64.2%
2024 Q466.2%30.9%65.6%
2025 Q160.1%34.4%62.1%
2025 Q269.3%25.9%65.0%
2025 Q355.7%38.6%62.5%
2025 Q460.0%34.1%64.7%
2026 Q136.3%45.9%60.6%
2026 Q210.1%65.1%62.7%

Share of applications granted

Merton against England

  • Merton
  • England
Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk
Show data
QuarterMertonEngland
2008 Q182.1%85.1%
2008 Q285.4%86.1%
2008 Q379.8%86.3%
2008 Q481.8%85.3%
2009 Q175.1%85.9%
2009 Q275.4%86.8%
2009 Q379.6%87.4%
2009 Q482.7%86.9%
2010 Q178.6%87.0%
2010 Q274.2%88.0%
2010 Q379.3%87.7%
2010 Q480.3%87.5%
2011 Q179.8%87.9%
2011 Q279.6%88.5%
2011 Q378.5%88.3%
2011 Q484.0%88.3%
2012 Q180.7%88.2%
2012 Q283.0%89.2%
2012 Q377.7%89.0%
2012 Q486.3%88.9%
2013 Q183.1%89.8%
2013 Q287.3%90.6%
2013 Q385.0%90.3%
2013 Q484.5%89.6%
2014 Q181.7%89.8%
2014 Q284.4%90.5%
2014 Q384.2%90.0%
2014 Q485.6%89.2%
2015 Q188.6%89.3%
2015 Q284.5%90.2%
2015 Q387.6%90.0%
2015 Q485.7%89.2%
2016 Q190.9%90.0%
2016 Q288.7%90.3%
2016 Q388.6%90.2%
2016 Q486.2%89.7%
2017 Q188.9%89.9%
2017 Q292.6%90.5%
2017 Q387.7%90.0%
2017 Q490.5%90.1%
2018 Q189.3%90.5%
2018 Q281.2%91.0%
2018 Q390.1%91.2%
2018 Q486.5%90.5%
2019 Q191.1%90.3%
2019 Q287.5%91.0%
2019 Q392.6%90.6%
2019 Q488.3%89.8%
2020 Q190.2%89.9%
2020 Q292.1%90.2%
2020 Q393.3%90.6%
2020 Q490.6%90.3%
2021 Q190.6%90.9%
2021 Q290.7%91.2%
2021 Q389.6%91.0%
2021 Q488.2%90.1%
2022 Q194.2%90.0%
2022 Q288.4%90.4%
2022 Q390.7%89.8%
2022 Q487.8%89.4%
2023 Q185.0%89.3%
2023 Q291.3%89.2%
2023 Q386.1%88.6%
2023 Q486.1%88.2%
2024 Q182.7%88.2%
2024 Q290.5%89.1%
2024 Q386.3%89.4%
2024 Q488.4%88.6%
2025 Q186.3%89.3%
2025 Q292.5%90.4%
2025 Q389.0%90.1%
2025 Q494.1%90.1%
2026 Q193.8%90.6%
2026 Q295.0%91.0%

How long decisions took

Householder decisions over the last 12 months

  • Within 8 weeks39.9%
  • 8 to 13 weeks8.8%
  • 13 to 26 weeks4.2%
  • Over 26 weeks0.5%
  • Extension of time agreed46.5%
Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk
Show data
Time takenDecisions
Within 8 weeks303
8 to 13 weeks67
13 to 26 weeks32
Over 26 weeks4
Extension of time agreed353

Appeals

Decided
20
Allowed
30.0%
Median wait
13 weeks

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

Local constraints

  • Merton has published 28 conservation areas.
  • Merton 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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