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Permitted10/23/0976Submitted 2 years agoTwo-storey extension

4 Observatory Road Blackburn BB2 3HE

Proposed demolition of existing garage and erection of a double storey extension to side and rear and alterations to roof form

Find on council portalDocuments (7)

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Progress

Submitted
6 Nov 2023
— completed
Validated
7 Nov 2023
— completed
Consultation
8 Dec 2023
— completed
Target date
18 Dec 2023
— completed
Decided
8 Dec 2023
— completed

Application details

Reference
10/23/0976
Local authority
Blackburn
Postcode
BB2 3HE
Ward
Blackburn South East
Application type
Full
Property type
House

Key dates

Submitted
6 Nov 2023
Validated
7 Nov 2023
Target decision
18 Dec 2023
Decided
8 Dec 2023

7 documents · 0 comments · 0 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

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 3 recent sales are listed below.

Homes here go for about £173,000 — the median of the last 8 market sales in BB2 3HE, £110,000 to £190,000.

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