17 Tretawn Park London Borough of Barnet NW7 4PS
Roof extension involving rear dormer window; 2no front facing and 1no rear facing rooflight
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
- 20/1935/192
- Local authority
- Barnet
- Postcode
- NW7 4PS
- Ward
- MH
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 27 Apr 2020
- Validated
- 27 Apr 2020
- Target decision
- 22 Jun 2020
- Decided
- 19 May 2020
Estimated project value
£37k–£100k
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: Checkatrade 2026 loft conversion cost guide.
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 · £2,750,0008 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
- 17 Tretawn Park London Borough of Barnet NW7 4PSPermittedNext door
- 15 Tretawn Park London Borough of Barnet NW7 4PSPermittedNext door
- 15 Tretawn Park London Borough of Barnet NW7 4PSRefusedNext door
- 15 Tretawn Park London Borough of Barnet NW7 4PSPermittedNext door
- 15 Tretawn Park London Borough of Barnet NW7 4PSPermittedNext door
- 15 Tretawn Park London Borough of Barnet NW7 4PSPermittedNext door