11 Gresham Avenue London Borough of Barnet N20 0XJ
Part single, part two storey side and rear extension with 3no. rooflights. Demolition and rebuild of the existing garage. Roof extension involving rear dormer window with juliette balcony and 1no. side and 2no. front facing rooflights. Alterations to rear patio with associated retaining wall and landscaping (Amended Description)
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Progress
Application details
- Reference
- 25/1842/HSE
- Local authority
- Barnet
- Postcode
- N20 0XJ
- Ward
- FB22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 14 May 2025
- Validated
- 14 May 2025
- Target decision
- 9 Jul 2025
- Decided
- 14 Jul 2025
Estimated project value
£41k–£85k
Based on the 25.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 25m² · 2 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 25 GRESHAM AVENUE, LONDON, N20 0XJSemi-detached · £930,00012 months ago29 Aug 2025
- 11 GRESHAM AVENUE, LONDON, N20 0XJSemi-detached · Not a standard market sale · £850,00017 months ago20 Mar 2025
- 29 GRESHAM AVENUE, LONDON, N20 0XJSemi-detached · Not a standard market sale · £1,240,0004 years ago24 Nov 2021
- 19 GRESHAM AVENUE, LONDON, N20 0XJSemi-detached · £1,135,0008 years ago27 Mar 2018
- 5 GRESHAM AVENUE, LONDON, N20 0XJSemi-detached · £732,0008 years ago20 Oct 2017
- 25 GRESHAM AVENUE, LONDON, N20 0XJSemi-detached · £743,00010 years ago22 Sept 2015
- 7 GRESHAM AVENUE, LONDON, N20 0XJSemi-detached · £680,00011 years ago24 Oct 2014
- 23 GRESHAM AVENUE, LONDON, N20 0XJSemi-detached · £610,00012 years ago28 Mar 2014
Homes here go for about £737,500 — the median of the last 6 market sales in N20 0XJ, £610,000 to £1,135,000.
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.
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