21 Elm Street, Blackburn, BB1 5NL
About 21 Elm Street
21 Elm Street is an end-of-terrace house in Blackburn (BB1 5NL). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (March 2026) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in November 2015 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Average to Good. The recommended improvements would lift it to B (score 82), a 2-band jump. This certificate was lodged in the last six months, so the rating reflects current condition.
A recent sale: £122,000 in January 2026. Across 1996–2026, sale prices on this property compounded at 7.4% per year. On a £-per-square-foot basis, the last sale (£153/sq ft) was about 168.5% above the typical sold price in the postcode. At 74 m² it's 17.3% smaller than the typical home in the postcode (90 m² median across 12 EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 9 March 2036
Property Improvements
Changes detected from historical EPC data
Heating controls changed
High performance glazing installed
More low energy lighting installed
Heating controls upgraded for better temperature management
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
21 Elm 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
Price for 21 Elm Street has grown more than fourfold since the 1996 starting point.
£132,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 29 years.
£122,000
Growth on file: 7.4% per year over 29 years.
Sales timeline
7 January 2026Most recent
£122,000
+110.3%over 4 years5 February 2021
£58,000
+286.7%over 24 years18 September 1996
£15,000
Median price across the last 5 sales in BB1 5NL: £40,000 (2023–2017).
Versus other Elm Street homes
Price per m² for 21 Elm Street runs comfortably ahead of the street norm.
Price per m²
£1,649
Street avg £630
Floor Area
74 m²
Street avg 115 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 5.8 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
462/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Seven Trees — bus stop.
Closest school
0.3 km
St Stephen's Church of England Primary School. 36 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







