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Permitted21/0616/HSESubmitted 5 years agoRear extension

120 Montrose Avenue London Borough of Barnet HA8 0DR

Conversion of garage into habitable room insertion of window to replace the existing garage door, altered roof design to include a hipped roof and 2no. rooflights . Single storey front extension to garage and to create a front porch. 1no rooflight to existing rear extension (AMENDED DESCRIPTION).

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Progress

Submitted
8 Feb 2021
— completed
Validated
8 Feb 2021
— completed
Consultation
—
— completed
Target date
5 Apr 2021
— completed
Decided
11 Jun 2021
— completed

Application details

Reference
21/0616/HSE
Local authority
Barnet
Postcode
HA8 0DR
Ward
BO
Application type
Householder
Property type
House

Key dates

Submitted
8 Feb 2021
Validated
8 Feb 2021
Target decision
5 Apr 2021
Decided
11 Jun 2021

Estimated project value

£12k–£19k

Based on the 5.0m² 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: 5m²

Recently sold nearby

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

Homes here go for about £326,500 — the median of the last 7 market sales in HA8 0DR, £275,000 to £530,000.

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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