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Permitted26/00736/CONSubmitted last monthTwo-storey extension

Polam Hall School Grange Road Blackwell DARLINGTON DL1 5PA

Part approval of details reserved by condition 3 (W.S.I) attached to Listed Building Consent 25/00872/LBC dated 16 Jan 2026 (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
29 Jul 2026
— completed
Validated
29 Jul 2026
— completed
Consultation
—
— completed
Target date
19 Sept 2026
— completed
Decided
17 Aug 2026
— completed

Application details

Reference
26/00736/CON
Local authority
Darlington
Postcode
DL1 5PA
Ward
Park West
Application type
Conditions
Property type
House

Key dates

Submitted
29 Jul 2026
Validated
29 Jul 2026
Target decision
19 Sept 2026
Decided
17 Aug 2026

3 documents · 1 comments · 7 constraints

Estimated project value

£55k–£130k

Typical UK cost for this job type, 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.

Recorded changes

  • 5 Sept 2026: Approved
  • 5 Sept 2026: app_state changed from Undecided to Permitted
  • 5 Sept 2026: Decision dated 2026-08-17

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