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RefusedHGY/2021/1871Submitted 5 years agoRear extension

80 Haringey N10 3JR

Certificate of lawfulness (proposed use) for erection of a rear extension, alterations to window openings at front and rear. New rooflights in existing roof slope and replacement of existing timber windows with new metal framed windows.

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Progress

Submitted
1 Jun 2021
— completed
Validated
1 Jun 2021
— completed
Consultation
1 Jun 2021
— completed
Target date
27 Jul 2021
— completed
Decided
27 Jul 2021
— completed

Application details

Reference
HGY/2021/1871
Local authority
Haringey
Postcode
N10 3JR
Ward
Muswell Hill
Application type
All Other
Property type
House

Key dates

Submitted
1 Jun 2021
Validated
1 Jun 2021
Comments close
1 Jun 2021
Target decision
27 Jul 2021
Decided
27 Jul 2021

Estimated project value

£42k–£69k

Based on the 17.0m² 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: 17m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 7 recent sales are listed below.

Homes here go for about £837,500 — the median of the last 8 market sales in N10 3JR, £465,000 to £2,325,000.

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.

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