buildwiz.uk
East Midlands

North Northamptonshire planning statistics

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

How long does planning permission take in North Northamptonshire?

North Northamptonshire decided 28.5% of householder applications within 8 weeks without an extension in the year to June 2026, against 62.7% across England.

North Northamptonshire is highlighted on the map. See on the map

Within 8 weeks, no extension

28.5%

287th of 297

34.2 points slower than England

Granted

91.4%

162nd of 297

0.9 points higher than England

Extension of time

56.8%

279th of 297

24.5 points higher than England

Decisions (12 months)

526

North Northamptonshire decided 526 householder applications in the year to June 2026, granting 91.4%.

28.5% were decided within 8 weeks with no extension, against 62.7% across England (287th of 297 for speed).

A further 56.8% were decided under an extension of time agreed with the applicant.

That is down from 51.6% a year earlier.

Of 32 householder appeals decided in the same period, 50.0% were allowed.

North Northamptonshire was formed from Corby, East Northamptonshire, Kettering and Wellingborough. Its figures start in Apr to Jun 2021.

How quickly decisions are made

North Northamptonshire 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
2021 Q263.0%33.1%58.4%
2021 Q354.1%38.7%53.1%
2021 Q453.6%40.3%53.0%
2022 Q153.7%38.2%51.6%
2022 Q252.4%38.7%56.0%
2022 Q346.3%44.0%53.3%
2022 Q448.0%40.9%54.1%
2023 Q149.2%43.5%53.5%
2023 Q257.3%34.4%58.5%
2023 Q364.7%26.1%59.0%
2023 Q459.9%34.4%59.8%
2024 Q161.3%29.0%58.8%
2024 Q250.0%36.2%64.4%
2024 Q355.7%20.5%64.2%
2024 Q458.9%40.4%65.6%
2025 Q147.9%49.7%62.1%
2025 Q243.9%52.2%65.0%
2025 Q338.3%45.0%62.5%
2025 Q428.6%52.9%64.7%
2026 Q126.0%56.5%60.6%
2026 Q223.1%69.2%62.7%

Share of applications granted

North Northamptonshire against England

  • North Northamptonshire
  • England
Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk
Show data
QuarterNorth NorthamptonshireEngland
2021 Q288.3%91.2%
2021 Q393.4%91.0%
2021 Q487.7%90.1%
2022 Q192.3%90.0%
2022 Q293.4%90.4%
2022 Q391.8%89.8%
2022 Q491.3%89.4%
2023 Q191.2%89.3%
2023 Q288.5%89.2%
2023 Q386.4%88.6%
2023 Q485.4%88.2%
2024 Q185.3%88.2%
2024 Q287.9%89.1%
2024 Q385.9%89.4%
2024 Q484.2%88.6%
2025 Q183.4%89.3%
2025 Q280.3%90.4%
2025 Q394.2%90.1%
2025 Q488.2%90.1%
2026 Q193.1%90.6%
2026 Q290.4%91.0%

How long decisions took

Householder decisions over the last 12 months

  • Within 8 weeks28.5%
  • 8 to 13 weeks2.7%
  • 13 to 26 weeks8.6%
  • Over 26 weeks3.4%
  • Extension of time agreed56.8%
Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk
Show data
Time takenDecisions
Within 8 weeks150
8 to 13 weeks14
13 to 26 weeks45
Over 26 weeks18
Extension of time agreed299

Appeals

Decided
32
Allowed
50.0%
Median wait
11 weeks

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

Refusals overturned at appeal

12.6% of refusals were later overturned at appeal (July 2021 to June 2026): 55 appeals allowed against 435 refusals.

47th 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 28 larger extension notifications between July 2025 and June 2026, 19 needed no approval, 4 were approved and 5 were refused.

Fewer than 10 decided in the period.

Figures as first published (provisional).

MHCLG live table PDR 1.

Enforcement

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

0.02 per 1,000 homes, against 0.17 across England. 20th lowest 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

82 conservation areas: Apethorpe, Ashley, Ashton, Ashton Wold, Barnwell, Barton Seagrave, Brampton Ash, Braybrooke, Brigstock, Broughton, Bulwick, Burton Latimer and 70 more.

North Northamptonshire 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

1,780 registered building and trade firms in 2026, 10.9 per 1,000 homes, about 0.3 householder decisions per firm a year.

118th 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 North Northamptonshire

How long does planning permission take in North Northamptonshire?

North Northamptonshire decided 28.5% 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 North Northamptonshire?

82 conservation areas: Apethorpe, Ashley, Ashton, Ashton Wold, Barnwell, Barton Seagrave, Brampton Ash, Braybrooke, Brigstock, Broughton, Bulwick, Burton Latimer and 70 more. Most councils publish a conservation area map showing whether a street is inside one.

How many builders are there in North Northamptonshire?

1,780 registered building and trade firms in 2026, 10.9 per 1,000 homes, about 0.3 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 North Northamptonshire?

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 North Northamptonshire

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

Median price per m²

£2,951

15,192 sales

4% above East Midlands

Homes sold rated EPC A to C

58.9%

Median energy score 70

7.1 points above East Midlands

Value added by extending, per m²

£1,278

14.1% on the sale price

18% below East Midlands

Energy upgrade, no extension

+6.2%

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

In line with East Midlands

The median home sold in North Northamptonshire was £262,000 for 89 m² of floor space. Price per m² is up 55% since 2015 (£1,921 to £2,979 per m², 2025). Across all 120,000 homes with a certificate, 56.5% are rated A to C on their latest one.

685 houses here were extended between two sales (second sale 2016 to 2026), adding a median 29 m². They sold for a median 14.1% more than similar unextended houses, £1,278 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

Get new blog posts by email

One email each time we publish a new post on project managing your build. No spam. Unsubscribe anytime.