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Permitted19/2999/NMASubmitted 7 years agoRear extension

74 Horsham Avenue London Borough of Barnet N12 9BE

Non material amendment to planning permission 18/5576/HSE dated 18/12/18 for `Part ground, part lower ground floor rear extension and associated raised rear patio, steps and fencing following demolition of existing rear extension. Erection of new rear outbuilding.` Amendments include alterations to parapet wall roof design, change to internal floor level, changes to door sizes, skylight size and outside decking steps

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Progress

Submitted
24 May 2019
— completed
Validated
24 May 2019
— completed
Consultation
— completed
Target date
21 Jun 2019
— completed
Decided
20 Jun 2019
— completed

Application details

Reference
19/2999/NMA
Local authority
Barnet
Postcode
N12 9BE
Ward
CP
Application type
All Other
Property type
House

Key dates

Submitted
24 May 2019
Validated
24 May 2019
Target decision
21 Jun 2019
Decided
20 Jun 2019

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 £635,000 — the median of the last 7 market sales in N12 9BE, £610,000 to £686,000.

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.

Nearby applications