9 Tretawn Park London Borough of Barnet NW7 4PS
Variation of condition 1 (Approved plans) of planning permission reference 25/0668/HSE dated 22.04.25 for 'Two storey rear infill extension following demolition of existing rear balcony. First floor side extension.' Variation to include adding obscure window to south west elevation. Remove railings, reduce size of two windows to rear elevation
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- 25/2244/S73
- Local authority
- Barnet
- Postcode
- NW7 4PS
- Ward
- MH22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 30 May 2025
- Validated
- 30 May 2025
- Target decision
- 25 Jul 2025
- Decided
- 21 Jul 2025
Estimated project value
£34k–£81k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026 extension rates.
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 · £2,750,0009 months ago15 Jan 2026
- 1 TRETAWN PARK, LONDON, NW7 4PSDetached · £1,275,00014 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
- 9 Tretawn Park London Borough of Barnet NW7 4PSPermittedNext door
- Tretawn Park Barnet NW7 4PSPermittedNext door
- 7 Tretawn Park London Borough of Barnet NW7 4PSPermittedNext door
- 15 Tretawn Park London Borough of Barnet NW7 4PSRefusedAdjoining
- 15 Tretawn Park London Borough of Barnet NW7 4PSPermittedAdjoining
- 15 Tretawn Park London Borough of Barnet NW7 4PSPermittedAdjoining