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Permitted23/2724/HSESubmitted 3 years agoTwo-storey extension

38 Cissbury Ring South London Borough of Barnet N12 7BE

Two storey side extension to west elevation (facing No. 40) and single storey rear extension following demolition of existing garage. New patio to rear. Single storey side extension to east elevation (facing No. 36). Addition of 1no. lantern rooflight and 1no. flat rooflight to the ground floor rear flat roof. Alterations to fenestration including replacement of existing windows with dark grey aluminium framed windows, addition of 1no side facing window, and 1no side facing door. Alterations to front entrance including recess of the front door. (Amended description).

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Progress

Submitted
27 Jun 2023
— completed
Validated
27 Jun 2023
— completed
Consultation
18 Jul 2023
— completed
Target date
22 Aug 2023
— completed
Decided
3 Aug 2023
— completed

Application details

Reference
23/2724/HSE
Local authority
Barnet
Postcode
N12 7BE
Ward
TW22
Application type
Householder
Property type
Flat

Key dates

Submitted
27 Jun 2023
Validated
27 Jun 2023
Comments close
18 Jul 2023
Target decision
22 Aug 2023
Decided
3 Aug 2023

Estimated project value

£97k–£135k

Based on the 36.0m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, two-storey extension £2,000-£2,800/m².

Floor area gained: 36 · 1 additional bedrooms

Recently sold nearby

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

Homes here go for about £997,500 — the median of the last 6 market sales in N12 7BE, £710,000 to £1,400,000.

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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