12a, Knowsley Road, Wilpshire, Blackburn, BB1 9PX
About 12a
12a is a semi-detached house in Wilpshire, Blackburn, Blackburn (BB1 9PX). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 2023 and council tax band C. The latest certificate (August 2024) shows a C (score 79), near the top of the C band. When first surveyed in June 2014 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Very Good; while roof efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 84).
Most recent transfer was December 2024 at £260,000 — fresh data. On a £-per-square-foot basis, the last sale (£216/sq ft) was about 29.1% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused.
Everything you need to know about 12a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
High performance glazing installed
Cavity wall insulation installed
Floor insulation added or improved
More low energy lighting installed
Hot water efficiency improved
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Planning history
A recent planning application at 12a was refused — worth checking the council file.
2 applications on record at 12a, Knowsley Road, Wilpshire, Blackburn, BB1 9PX
- Sept 2025AmendmentOutcome in report
Non material amendment to application 3/2018/0643 involving a new 1.2m high close boarded fence and maintenance path.
- Documents
- 5 docs on file
- Reference
- 37761
- More recent applications — locked
- ConditionsNov 2025Decision
Unlock 12a, Knowsley Road, Wilpshire, Blackburn, BB1 9PX's full planning history
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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full
- The 9 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12a changed hands twice within eighteen months — unusual for the area.
£276,000
Modelled from EPC, postcode comparables.
£260,000
Recorded with HM Land Registry.
Sales timeline
20 December 2024Most recent
£260,000
6 July 2023
£260,000
Median price across the last 5 sales in BB1 9PX: £415,000 (2024–2021).
Nearby sales in BB1 9PX
Jersey House, Knowsley Road, Wilpshire, Blackburn, BB1 9PX
Sold Mar 2024
£415,00031 Knowsley Road, Wilpshire, Blackburn, BB1 9PX
Sold Aug 2022
£250,00040a, Knowsley Road, Wilpshire, Blackburn, BB1 9PX
Sold Jul 2022
£510,000Jersey Farm, Knowsley Road, Wilpshire, Blackburn, BB1 9PX
Sold May 2022
£453,0005 Knowsley Road, Wilpshire, Blackburn, BB1 9PX
Sold Nov 2021
£412,000
Versus other Knowsley Road homes
Years Held for 12a lags the street by a wide margin.
Price per m²
£2,321
Street avg £1,992
Floor Area
112 m²
Street avg 134 m²
CO₂ Emissions
2.2 t/year
Street avg 5.5 t/year
Years Held
1 years
Street avg 11 years
Everything you need to know about 12a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Mayfair Crescent — bus stop.
Closest school
1.2 km
Salesbury Church of England Primary School. 11 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.









