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Permitted21/2928/S73Submitted 5 years agoRear extension

14 Sandringham Gardens London Borough of Barnet N12 0NX

Variation of condition 1 (Approved Plans) of planning permission 18/7140/HSE, dated 25/01/2019. for `Single storey rear extension including conversion of existing garage to habitable room and alterations to rear access steps. Alterations to windows and front entrance door. Addition of No. 2 rooflights.`. Variation to include enlargement of rear decking area and alteration to design of the front porch

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Progress

Submitted
27 May 2021
— completed
Validated
27 May 2021
— completed
Consultation
— completed
Target date
22 Jul 2021
— completed
Decided
14 Jul 2021
— completed

Application details

Reference
21/2928/S73
Local authority
Barnet
Postcode
N12 0NX
Ward
WO
Application type
All Other
Property type
House

Key dates

Submitted
27 May 2021
Validated
27 May 2021
Target decision
22 Jul 2021
Decided
14 Jul 2021

Estimated project value

£41k–£75k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Recently sold nearby

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

Homes here go for about £795,000 — the median of the last 7 market sales in N12 0NX, £400,000 to £995,000.

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.

Nearby applications