Onslow Gardens Haringey N10 3JX
Erection of a single-storey rear extension to ground floor flat; alterations to rear bay with new lower ground rear doors to sunken patio area.
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Progress
Application details
- Reference
- HGY/2026/2331
- Local authority
- Haringey
- Postcode
- N10 3JX
- Ward
- Muswell Hill
- Application type
- Householder
- Property type
- Flat
Key dates
- Submitted
- 28 Aug 2026
- Validated
- 28 Aug 2026
- Comments close
- 29 Sept 2026
- Target decision
- 23 Oct 2026
Estimated project value
£25k–£41k
Based on the 10.0m² 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: 10m²
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 4 recent sales are listed below.
- 52 ONSLOW GARDENS, LONDON, N10 3JXSemi-detached · £2,950,0005 months ago8 May 2026
- FIRST FLOOR FLAT, 46 ONSLOW GARDENS, LONDON, N10 3JXOther · Leasehold · Not a standard market sale · £695,00013 months ago4 Sept 2025
- FLAT A, 62 ONSLOW GARDENS, LONDON, N10 3JXFlat or maisonette · Leasehold · £870,00020 months ago21 Feb 2025
- 72 ONSLOW GARDENS, LONDON, N10 3JXSemi-detached · £2,900,00022 months ago16 Dec 2024
- FLAT C, 62 ONSLOW GARDENS, LONDON, N10 3JXFlat or maisonette · Leasehold · £600,0003 years ago26 Jan 2023
- FIRST FLOOR FLAT, 46 ONSLOW GARDENS, LONDON, N10 3JXFlat or maisonette · Leasehold · £612,0004 years ago26 May 2022
- FLAT B, 78 ONSLOW GARDENS, LONDON, N10 3JXFlat or maisonette · Leasehold · £955,0004 years ago15 Dec 2021
- FLAT A, 62 ONSLOW GARDENS, LONDON, N10 3JXFlat or maisonette · Leasehold · £700,0005 years ago21 Dec 2020
Homes here go for about £870,000 — the median of the last 7 market sales in N10 3JX, £600,000 to £2,950,000.
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.
Recorded changes
- 11 Sept 2026: The proposal was amended
Nearby applications
- Haringey N10 3JXPermittedNext door
- Onslow Gardens Haringey N10 3JXPermittedNext door
- Haringey N10 3UAPermitted56 yd
- Haringey N10 3JYPermitted59 yd
- Onslow Gardens Haringey N10 3JYUnknown64 yd
- Onslow Gardens Haringey N10 3JYPermitted65 yd