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Permitted21/0783/HSESubmitted 5 years agoRear extension

90 Hillside Gardens London Borough of Barnet HA8 8HD

Single storey side rear extension following demolition of the existing single storey brick shed. Conversion of existing garage into habitable room involving the replacement of the garage door with a window. New raised patio.

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Map of the site

Progress

Submitted
18 Feb 2021
— completed
Validated
18 Feb 2021
— completed
Consultation
—
— completed
Target date
15 Apr 2021
— completed
Decided
1 Jun 2021
— completed

Application details

Reference
21/0783/HSE
Local authority
Barnet
Postcode
HA8 8HD
Ward
EW
Application type
Householder
Property type
House

Key dates

Submitted
18 Feb 2021
Validated
18 Feb 2021
Target decision
15 Apr 2021
Decided
1 Jun 2021

Estimated project value

£53k–£89k

Based on the 23.6m² 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: 23.6m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.

Homes here go for about £692,000 — the median of the last 7 market sales in HA8 8HD, £620,000 to £1,075,000.

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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