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PermittedHGY/2025/3051Submitted 9 months agoRear extension

Mattison Road Haringey N4 1BE

Erection of a single storey rear wraparound extension to the ground floor flat and related works.

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Progress

Submitted
10 Dec 2025
— completed
Validated
10 Dec 2025
— completed
Consultation
9 Jan 2026
— completed
Target date
4 Feb 2026
— completed
Decided
26 Feb 2026
— completed

Application details

Reference
HGY/2025/3051
Local authority
Haringey
Postcode
N4 1BE
Ward
Harringay
Application type
Householder
Property type
Flat

Key dates

Submitted
10 Dec 2025
Validated
10 Dec 2025
Comments close
9 Jan 2026
Target decision
4 Feb 2026
Decided
26 Feb 2026

Estimated project value

£175k–£290k

Based on the 72.0m² 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: 72

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £615,000 — the median of the last 7 market sales in N4 1BE, £443,362 to £1,625,000.

Contains HM Land Registry data © Crown copyright and database right 2025. 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.

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