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Permitted74383/APP/2025/1455Submitted over a year agoRear extension

18 FRITHWOOD AVENUE NORTHWOOD Hillingdon HA6 3LX

Erection of a single storey rear extension, conversion of the loft into habitable space with incorporating two rear-facing roof windows, and insertion of two new obscure-glazed side windows

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Map of the site

Progress

Submitted
23 May 2025
— completed
Validated
23 May 2025
— completed
Consultation
24 Jun 2025
— completed
Target date
18 Jul 2025
— completed
Decided
18 Jul 2025
— completed

Application details

Reference
74383/APP/2025/1455
Local authority
Hillingdon
Postcode
HA6 3LX
Ward
NORTHWOOD 2022
Application type
All Other
Property type
House

Key dates

Submitted
23 May 2025
Validated
23 May 2025
Comments close
24 Jun 2025
Target decision
18 Jul 2025
Decided
18 Jul 2025

Estimated project value

£99k–£165k

Based on the 44.0m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 44m²

Recently sold nearby

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

Homes here go for about £448,750 — the median of the last 6 market sales in HA6 3LX, £405,000 to £550,000.

Contains HM Land Registry data © Crown copyright and database right 2024. 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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