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Permitted25/00871/FULSubmitted over a year agoTwo-storey extension

Polam Hall School Grange Road Blackwell DARLINGTON DL1 5PA

Partial demolition and partial retention and refurbishment of existing buildings, the erection of a single storey extension to Elm Grove and a two storey extension to the main building, the erection of temporary modular accommodation for the duration of the demolition and construction period, with associated permanent and temporary external works, including landscaping and construction of MUGA

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Progress

Submitted
20 Aug 2025
— completed
Validated
4 Sept 2025
— completed
Consultation
30 Sept 2025
— completed
Target date
13 Nov 2025
— completed
Decided
16 Jan 2026
— completed

Application details

Reference
25/00871/FUL
Local authority
Darlington
Postcode
DL1 5PA
Ward
Park West
Application type
Full
Property type
House

Key dates

Submitted
20 Aug 2025
Validated
4 Sept 2025
Comments close
30 Sept 2025
Target decision
13 Nov 2025
Decided
16 Jan 2026

174 documents · 22 comments · 211 constraints

Estimated project value

£440k–£1040k

Typical UK cost for this job type, scaled for a large scheme, at UK average 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. 8 recent sales are listed below.

Homes here go for about £148,750 — the median of the last 8 market sales in DL1 (the wider postcode district), £39,999 to £240,000.

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