9 Derby Street, Blackburn, BB1 5HR
About 9 Derby Street
9 Derby Street is a semi-detached house in Blackburn (BB1 5HR). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (June 2015) shows a G (score 20), near the bottom of the EPC scale. Earlier certificates rated it E (January 2012); the latest reading is 2 bands lower. Between certificates, wall efficiency dropped from Good to Poor and lighting dropped from Average to Very Poor. The recommended improvements would lift it to B (score 87), a 5-band jump. Main heating runs on electricity. The latest certificate is from June 2015, so improvements made since then won't be reflected.
Untraded for 24 years, with the last transfer in February 2003. At 44 m² it sits well below the postcode median (66 m² across 9 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £110,000 sits 400% above the 2003 sale of £22,000. On a £-per-square-foot basis, the last sale (£46/sq ft) was about 58.4% below the postcode norm.
Energy performance
9 Derby Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Jun 2025
EPC Rating
Certificate validity
Expired on 17 June 2025
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Low energy lighting percentage decreased
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Planning history
9 Derby Street has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
9 Derby Street's modelled value sits at over four times its earliest registered sale price (2003).
£110,000
Modelled from EPC, postcode comparables.
£22,000
Recorded with HM Land Registry.
Sales timeline
10 February 2003Most recent
£22,000
Median price across the last 5 sales in BB1 5HR: £78,000 (2025–2018).
Versus other Derby Street homes
EPC Rating for 9 Derby Street lags the street by a wide margin.
Price per m²
£500
Street avg £1,198
Floor Area
44 m²
Street avg 64 m²
Habitable Rooms
2 rooms
Street avg 4 rooms
CO₂ Emissions
5.0 t/year
Street avg 3.1 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
462/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Peter Street — bus stop.
Closest school
0.3 km
Daisyfield Primary School. 39 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







