30 Balfour Grove London Borough of Barnet N20 0SJ
Single storey rear extension with a part depth of 6 metres from original rear wall, and a part depth of 5 metres from the original rear wall, eaves height of 3 metres and maximum height of 4 metres.
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Progress
Application details
- Reference
- 17/2499/PNH
- Local authority
- Barnet
- Postcode
- N20 0SJ
- Ward
- OA
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 10 Apr 2017
- Validated
- 10 Apr 2017
- Target decision
- 22 May 2017
- Decided
- 19 May 2017
Estimated project value
£41k–£75k
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, ~20m² at £1,800-£3,000/m².
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 14 BALFOUR GROVE, LONDON, N20 0SJSemi-detached · £605,0007 months ago30 Jan 2026
- 2B BALFOUR GROVE, LONDON, N20 0SJFlat or maisonette · Leasehold · £385,0002 years ago31 May 2024
- 70 BALFOUR GROVE, LONDON, N20 0SJFlat or maisonette · Leasehold · £366,0003 years ago6 Feb 2023
- 2A BALFOUR GROVE, LONDON, N20 0SJFlat or maisonette · Leasehold · £370,0003 years ago18 Nov 2022
- 82 BALFOUR GROVE, LONDON, N20 0SJFlat or maisonette · Leasehold · Not a standard market sale · £250,0003 years ago30 Sept 2022
- 76 BALFOUR GROVE, LONDON, N20 0SJFlat or maisonette · Leasehold · £327,5004 years ago29 Apr 2022
- 22 BALFOUR GROVE, LONDON, N20 0SJSemi-detached · £540,0004 years ago25 Feb 2022
- 68 BALFOUR GROVE, LONDON, N20 0SJFlat or maisonette · Leasehold · £400,0004 years ago29 Sept 2021
Homes here go for about £385,000 — the median of the last 7 market sales in N20 0SJ, £327,500 to £605,000.
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
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- Marlborough Gardens Barnet N20 0SDPermittedAdjoining
- 1 Balfour Grove London Borough of Barnet N20 0SLPermittedAdjoining
- 2 Balfour Grove Barnet N20 0SJPermitted48 yd