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Cornwall planning statistics

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

How long does planning permission take in Cornwall?

Cornwall decided 77.6% of householder applications within 8 weeks without an extension in the year to June 2026, against 62.7% across England.

Cornwall is highlighted on the map. See on the map

Within 8 weeks, no extension

77.6%

54th of 297

14.9 points faster than England

Granted

97.5%

21st of 297

7.0 points higher than England

Extension of time

20.8%

65th of 297

11.5 points lower than England

Decisions (12 months)

1,828

Cornwall decided 1,828 householder applications in the year to June 2026, granting 97.5%.

77.6% were decided within 8 weeks with no extension, against 62.7% across England (54th of 297 for speed).

A further 20.8% were decided under an extension of time agreed with the applicant.

That is up from 72.8% a year earlier.

Of 31 householder appeals decided in the same period, 22.6% were allowed.

How quickly decisions are made

Cornwall 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
2009 Q291.5%0.0%91.7%
2009 Q393.5%0.0%91.4%
2009 Q492.5%0.0%91.0%
2010 Q188.9%0.0%88.8%
2010 Q291.6%0.0%89.8%
2010 Q371.7%0.0%88.4%
2010 Q485.0%0.0%87.7%
2011 Q191.8%0.0%86.4%
2011 Q289.8%0.0%85.9%
2011 Q390.1%0.0%84.9%
2011 Q492.4%0.0%84.9%
2012 Q188.8%0.0%83.7%
2012 Q285.2%0.0%84.2%
2012 Q388.2%0.0%82.9%
2012 Q489.8%0.0%85.2%
2013 Q191.6%0.0%85.7%
2013 Q290.3%0.0%86.3%
2013 Q385.8%0.0%85.3%
2013 Q493.3%0.0%86.3%
2014 Q193.0%0.0%85.4%
2014 Q292.0%0.0%84.9%
2014 Q394.3%0.0%82.5%
2014 Q491.9%0.6%82.1%
2015 Q191.1%0.2%80.4%
2015 Q293.1%0.4%80.6%
2015 Q391.7%0.8%79.2%
2015 Q489.5%0.8%80.0%
2016 Q191.0%1.7%78.3%
2016 Q289.1%2.1%79.8%
2016 Q387.5%2.2%77.7%
2016 Q489.2%2.2%78.0%
2017 Q189.3%3.6%77.3%
2017 Q286.7%3.6%78.5%
2017 Q385.4%5.5%76.1%
2017 Q487.6%7.1%77.1%
2018 Q184.9%7.0%73.7%
2018 Q284.7%8.9%74.0%
2018 Q384.6%11.9%72.7%
2018 Q486.0%10.8%72.7%
2019 Q180.5%15.2%69.9%
2019 Q281.4%14.9%72.1%
2019 Q375.9%18.2%69.6%
2019 Q473.4%21.4%71.5%
2020 Q171.5%23.3%68.4%
2020 Q270.5%24.8%63.9%
2020 Q370.1%25.3%63.8%
2020 Q473.7%22.4%65.3%
2021 Q167.8%28.0%59.4%
2021 Q268.8%22.0%58.4%
2021 Q352.9%34.9%53.1%
2021 Q458.2%32.0%53.0%
2022 Q161.8%28.2%51.6%
2022 Q264.0%30.2%56.0%
2022 Q363.5%30.1%53.3%
2022 Q459.1%34.3%54.1%
2023 Q164.7%28.4%53.5%
2023 Q264.5%30.3%58.5%
2023 Q363.5%30.4%59.0%
2023 Q465.0%28.0%59.8%
2024 Q166.3%28.0%58.8%
2024 Q273.6%23.2%64.4%
2024 Q372.3%24.4%64.2%
2024 Q473.2%23.8%65.6%
2025 Q171.5%26.5%62.1%
2025 Q273.9%23.6%65.0%
2025 Q376.7%21.3%62.5%
2025 Q475.4%22.9%64.7%
2026 Q177.0%20.9%60.6%
2026 Q281.6%17.9%62.7%

Share of applications granted

Cornwall against England

  • Cornwall
  • England
Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk
Show data
QuarterCornwallEngland
2009 Q290.9%86.8%
2009 Q393.3%87.4%
2009 Q492.8%86.9%
2010 Q194.3%87.0%
2010 Q294.6%88.0%
2010 Q394.7%87.7%
2010 Q495.2%87.5%
2011 Q196.3%87.9%
2011 Q296.3%88.5%
2011 Q393.9%88.3%
2011 Q494.7%88.3%
2012 Q196.6%88.2%
2012 Q296.5%89.2%
2012 Q397.7%89.0%
2012 Q497.5%88.9%
2013 Q198.1%89.8%
2013 Q296.7%90.6%
2013 Q398.3%90.3%
2013 Q497.2%89.6%
2014 Q196.6%89.8%
2014 Q297.7%90.5%
2014 Q398.2%90.0%
2014 Q496.5%89.2%
2015 Q197.1%89.3%
2015 Q297.7%90.2%
2015 Q398.1%90.0%
2015 Q497.9%89.2%
2016 Q196.8%90.0%
2016 Q298.4%90.3%
2016 Q397.3%90.2%
2016 Q497.4%89.7%
2017 Q197.7%89.9%
2017 Q298.1%90.5%
2017 Q398.0%90.0%
2017 Q498.4%90.1%
2018 Q198.3%90.5%
2018 Q297.1%91.0%
2018 Q398.5%91.2%
2018 Q498.1%90.5%
2019 Q199.0%90.3%
2019 Q297.4%91.0%
2019 Q399.1%90.6%
2019 Q497.8%89.8%
2020 Q196.3%89.9%
2020 Q298.5%90.2%
2020 Q397.8%90.6%
2020 Q498.3%90.3%
2021 Q197.7%90.9%
2021 Q297.6%91.2%
2021 Q399.0%91.0%
2021 Q497.5%90.1%
2022 Q197.6%90.0%
2022 Q296.9%90.4%
2022 Q396.5%89.8%
2022 Q496.2%89.4%
2023 Q197.2%89.3%
2023 Q297.0%89.2%
2023 Q395.6%88.6%
2023 Q496.6%88.2%
2024 Q195.9%88.2%
2024 Q296.0%89.1%
2024 Q397.1%89.4%
2024 Q496.6%88.6%
2025 Q196.5%89.3%
2025 Q296.9%90.4%
2025 Q397.7%90.1%
2025 Q497.5%90.1%
2026 Q196.7%90.6%
2026 Q298.0%91.0%

How long decisions took

Householder decisions over the last 12 months

  • Within 8 weeks77.6%
  • 8 to 13 weeks1.3%
  • 13 to 26 weeks0.2%
  • Over 26 weeks0.1%
  • Extension of time agreed20.8%
Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk
Show data
Time takenDecisions
Within 8 weeks1419
8 to 13 weeks23
13 to 26 weeks4
Over 26 weeks2
Extension of time agreed380

Appeals

Decided
31
Allowed
22.6%
Median wait
20 weeks

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

Refusals overturned at appeal

8.7% of refusals were later overturned at appeal (July 2021 to June 2026): 31 appeals allowed against 350 refusals.

Split decisions count as half.

136th highest of 299 planning authorities. England: 8.9% (July 2021 to June 2026).

Householder refusals from MHCLG table PS2; appeals allowed from the Planning Inspectorate. Approximate: appeals decided in the period, which can relate to earlier refusals.

Larger home extensions (prior approval)

Single-storey rear extensions deeper than 4 metres on a detached house (3 metres otherwise), up to 8 metres (6 metres), can use prior approval instead of a planning application, except in conservation areas, National Landscapes and other protected areas.

Of 20 larger extension notifications between July 2025 and June 2026, 15 needed no approval, 3 were approved and 2 were refused.

Fewer than 10 decided in the period.

Figures as first published (provisional).

MHCLG live table PDR 1.

Enforcement

60 planning enforcement notices issued in the year to June 2026.

0.21 per 1,000 homes, against 0.17 across England. 60th highest of 294 planning authorities.

Covers all types of development, not only extensions.

MHCLG table P130; homes from the VOA Council Tax stock of properties.

Protected areas

145 conservation areas: ALTARNUN, ANDERTON, ANTONY, BERRY TOWER, BODMIN, BLISLAND, BODINNICK, BODMIN, BOHETHERICK / ST DOMINICK, BOJEWYAN, BOSCASTLE, BOSCASWELL, BOTALLACK & TRUTHWALL and 133 more.

Cornwall has not published its Article 4 directions to the national planning data service, so the count may be incomplete.

Both can remove permitted development rights, so check with the council before relying on them. Permitted development rules

To check one postcode for a conservation area, listed buildings nearby, flood zone and radon, use the address check.

planning.data.gov.uk.

Builders

3,170 registered building and trade firms in 2026, 11.0 per 1,000 homes, about 0.6 householder decisions per firm a year.

114th highest of 294 planning authorities. England median: 10.1 per 1,000 homes and 0.5 decisions per firm.

Counts VAT or PAYE registered firms only, rounded to 5 by ONS; self-employed builders below the VAT threshold aren't included.

Finding a builder

ONS UK Business Counts; homes from the VOA Council Tax stock of properties; decisions from MHCLG table PS2.

Compared with neighbouring councils

Decisions and approvals in the year to June 2026; overturns over each council's appeal window; builders per 1,000 homes in 2026.

Decided within 8 weeks, no extension

Granted

Refusals overturned at appeal

Registered building firms per 1,000 homes

Questions about planning in Cornwall

How long does planning permission take in Cornwall?

Cornwall decided 77.6% of householder applications within 8 weeks without an extension in the year to June 2026, against 62.7% across England.

Is my house in a conservation area in Cornwall?

145 conservation areas: ALTARNUN, ANDERTON, ANTONY, BERRY TOWER, BODMIN, BLISLAND, BODINNICK, BODMIN, BOHETHERICK / ST DOMINICK, BOJEWYAN, BOSCASTLE, BOSCASWELL, BOTALLACK & TRUTHWALL and 133 more. Most councils publish a conservation area map showing whether a street is inside one.

How many builders are there in Cornwall?

3,170 registered building and trade firms in 2026, 11.0 per 1,000 homes, about 0.6 householder decisions per firm a year. Counts VAT or PAYE registered firms only, rounded to 5 by ONS; self-employed builders below the VAT threshold aren't included.

Do I need planning permission for an extension in Cornwall?

Many extensions can be built under permitted development without an application, but conservation areas and Article 4 directions can remove those rights, so check whether your address is in a conservation area or covered by an Article 4 direction before relying on them. Do you need planning permission?

Property prices and energy performance in Cornwall

Homes sold July 2023 to June 2026, matched to the floor area and energy rating on their Energy Performance Certificate.

Median price per m²

£3,372

22,530 sales

6% below South West

Homes sold rated EPC A to C

43.8%

Median energy score 66

6.7 points below South West

Value added by extending, per m²

£2,097

22.2% on the sale price

3% above South West

Energy upgrade, no extension

+7.0%

Sale-price uplift when the energy score rose 5+ points

1.2 points above South West

The median home sold in Cornwall was £287,000 for 85 m² of floor space. Price per m² is up 44% since 2015 (£2,319 to £3,348 per m², 2025). Across all 215,222 homes with a certificate, 42.4% are rated A to C on their latest one.

1,682 houses here were extended between two sales (second sale 2016 to 2026), adding a median 30 m². They sold for a median 22.2% more than similar unextended houses, £2,097 for each m² added. Will an extension pay for itself here?

Medians from HM Land Registry sale prices and MHCLG Energy Performance Certificates; groups under 30 sales or 50 extended houses are not shown. These describe past sales across many homes, not a valuation of any one. How these are worked out

Next steps for your extension

Compare every council · How we calculate these figures

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