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Permitted22/02948/FULSubmitted 3 years agoTwo-storey extension

18 Derwent Avenue Oxford Oxfordshire OX3 0AP

Erection of a two storey side extension and part single, part two storey rear extension. Formation of a front porch. Alterations to roof height to match proposed side extension. Insertion of 8no. solar panels to side roofslope. Replacement of 2no. existing windows. Installation of external wall insulation. Installation of air source heat pump. (Amended Plans and Description)

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Map of the site

Progress

Submitted
13 Dec 2022
— completed
Validated
13 Dec 2022
— completed
Consultation
1 Mar 2023
— completed
Target date
7 Apr 2023
— completed
Decided
5 Apr 2023
— completed

Application details

Reference
22/02948/FUL
Local authority
Oxford
Postcode
OX3 0AP
Ward
Headington Hill And Northway Ward
Application type
Full
Property type
House

Key dates

Submitted
13 Dec 2022
Validated
13 Dec 2022
Comments close
1 Mar 2023
Target decision
7 Apr 2023
Decided
5 Apr 2023

13 documents · 0 comments · 1 constraints

Estimated project value

£160k–£375k

Typical UK cost for this job type, scaled for a medium scheme, at South East rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: FMB / Checkatrade 2026, £2,000-£2,800/m² over a larger floor area.

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing.

Homes here go for about £408,000 — the median of the last 7 market sales in OX3 0AP, £360,000 to £468,000.

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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