1a, Mount St James, Blackburn, BB1 2DR
About 1a
1a is a semi-detached house in Blackburn (BB1 2DR). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (April 2013) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2010. Between certificates, roof efficiency went from Very Poor to Good and lighting went from Poor to Average. The recommended improvements would lift it to A (score 92), a 3-band jump. The latest certificate is from April 2013, so improvements made since then won't be reflected.
Across 2000–2022, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £137,000 is 44.2% above the 2022 sale price. Most recent transfer: February 2022 at £95,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 1a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Apr 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
1a has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2000.
£137,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 22 years.
£95,000
Growth on file: 4.1% per year over 22 years.
Sales timeline
18 February 2022Most recent
£95,000
+50.8%over 7 years24 April 2014
£63,000
+57.5%over 13 years3 August 2000
£40,000
Median price across the last 5 sales in BB1 2DR: £158,000 (2025–2023).
Nearby sales in BB1 2DR
Versus other Mount St James homes
Habitable Rooms for 1a lags the street by a wide margin.
Price per m²
£1,319
Street avg £1,471
Floor Area
72 m²
Street avg 85 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
3.7 t/year
Street avg 4.1 t/year
Everything you need to know about 1a
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

Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Moss Lane — bus stop.
Closest school
0.1 km
Knuzden St Oswald's Church of England Primary Academy. 24 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.









