11 Tretawn Park London Borough of Barnet NW7 4PS
Single storey side extension. 2no. additional rooflights to main roof. (Retrospective Application)(AMENDED DESCRIPTION AND UPDATED DRAWINGS)
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Progress
Application details
- Reference
- 26/2758/RCU
- Local authority
- Barnet
- Postcode
- NW7 4PS
- Ward
- MH22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 7 Aug 2026
- Validated
- 7 Aug 2026
- Target decision
- 2 Oct 2026
Estimated project value
£35k–£59k
Based on the 14.5m² 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: 14.5m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 9 TRETAWN PARK, LONDON, NW7 4PSDetached · £2,750,0007 months ago15 Jan 2026
- 1 TRETAWN PARK, LONDON, NW7 4PSDetached · £1,275,00013 months ago31 Jul 2025
- 15 TRETAWN PARK, LONDON, NW7 4PSDetached · £2,150,0002 years ago23 Jan 2024
- 7 TRETAWN PARK, LONDON, NW7 4PSDetached · £2,925,0003 years ago23 Mar 2023
- 11 TRETAWN PARK, LONDON, NW7 4PSDetached · £1,225,0004 years ago5 Aug 2022
- 17 TRETAWN PARK, LONDON, NW7 4PSDetached · Not a standard market sale · £1,190,0007 years ago31 Oct 2018
- 19 TRETAWN PARK, LONDON, NW7 4PSDetached · £1,200,00010 years ago26 Jul 2016
- 9 TRETAWN PARK, LONDON, NW7 4PSDetached · £1,675,00012 years ago20 Jun 2014
Homes here go for about £1,675,000 — the median of the last 7 market sales in NW7 4PS, £1,200,000 to £2,925,000.
Contains HM Land Registry data © Crown copyright and database right 2026. 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
- 11 Tretawn Park London Borough of Barnet NW7 4PSRefusedNext door
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- 11 Tretawn Park London Borough of Barnet NW7 4PSWithdrawnNext door