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Permitted25/00872/LBCSubmitted over a year agoTwo-storey extension

Polam Hall School Grange Road Blackwell DARLINGTON DL1 5PA

Listed Building Consent for demolition, partial demolition and partial retention and refurbishment of existing buildings, erection of a two storey extension to main building together with associated permanent and temporary external works

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Progress

Submitted
20 Aug 2025
— completed
Validated
20 Aug 2025
— completed
Consultation
3 Oct 2025
— completed
Target date
11 Oct 2025
— completed
Decided
16 Jan 2026
— completed

Application details

Reference
25/00872/LBC
Local authority
Darlington
Postcode
DL1 5PA
Ward
Park West
Application type
Heritage
Property type
House

Key dates

Submitted
20 Aug 2025
Validated
20 Aug 2025
Comments close
3 Oct 2025
Target decision
11 Oct 2025
Decided
16 Jan 2026

110 documents · 1 comments · 212 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 £167,500 — the median of the last 8 market sales in DL1 (the wider postcode district), £77,000 to £262,000.

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