29 Derby Avenue London Borough of Barnet N12 8DD
Single storey rear extension with 3no. rooflights following demolition of the existing conservatory
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Progress
Application details
- Reference
- 25/1763/HSE
- Local authority
- Barnet
- Postcode
- N12 8DD
- Ward
- WF22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 25 Apr 2025
- Validated
- 25 Apr 2025
- Comments close
- 20 May 2025
- Target decision
- 20 Jun 2025
- Decided
- 18 Jun 2025
Estimated project value
£22k–£36k
Based on the 8.8m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².
Floor area gained: 8.8m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 4 recent sales are listed below.
- FLAT 1, 6 DERBY AVENUE, LONDON, N12 8DDTerraced · Not a standard market sale · £670,00010 months ago18 Dec 2025
- 44A DERBY AVENUE, LONDON, N12 8DDFlat or maisonette · Leasehold · £455,00015 months ago14 Jul 2025
- 29 DERBY AVENUE, LONDON, N12 8DDTerraced · £700,00020 months ago21 Feb 2025
- 8 DERBY AVENUE, LONDON, N12 8DDTerraced · £789,00023 months ago28 Nov 2024
- 12 DERBY AVENUE, LONDON, N12 8DDTerraced · £540,0003 years ago9 Jun 2023
- 4 DERBY AVENUE, LONDON, N12 8DDTerraced · £625,0005 years ago20 Apr 2021
- 21 DERBY AVENUE, LONDON, N12 8DDTerraced · £727,5006 years ago6 Mar 2020
- 2 DERBY AVENUE, LONDON, N12 8DDTerraced · Not a standard market sale · £610,0006 years ago6 Feb 2020
Homes here go for about £662,500 — the median of the last 6 market sales in N12 8DD, £455,000 to £789,000.
Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.
Planning constraints
No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.
Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.
Nearby applications
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