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Get started12 St Marys Court is a one-bedroom semi-detached house in Mellor, Blackburn, Blackburn (BB2 7JE). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1996-2002 and council tax band B. The latest certificate (March 2023) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since July 2009. Between certificates, window efficiency went from Average to Good. At 46 m² this is the 4th smallest of 25 units on EPC record in the building, where floor areas span 42–68 m².
Untraded for 16 years, with the last transfer in December 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 2001–2009, sale prices here grew 0.3% per year, broadly in step with England's 0% HPI growth. Today's modelled estimate of £119,000 sits 98.5% above the 2009 sale of £59,950. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.
12 St Marys Court's carbon output is low for the local stock.
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£119,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.3% per year over 8 years.
£59,950
Growth on file: 0.3% per year over 8 years.
CO₂ Emissions for 12 St Marys Court runs comfortably ahead of the street norm.
Price per m²
£1,303
Street avg £1,818
Floor Area
46 m²
Street avg 54 m²
Habitable Rooms
2 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
47.8dB

Changes detected from historical EPC data
Window efficiency improved
Loft insulation upgraded to recommended levels
Are we missing something? Tell us about home improvements to help adjust your valuation.
10 December 2009Most recent
£59,950
+2.6%over 8 years21 September 2001
£58,438
Median price across the last 5 sales in BB2 7JE: £145,000 (2025–2021).
21 St Marys Court Church Lane Mellor Blackburn
Sold Sept 2025
19 St Marys Court Church Lane Mellor Blackburn
Sold Jan 2023
18 St Marys Court Church Lane Mellor Blackburn
Sold Mar 2022
16 St Marys Court Church Lane Mellor Blackburn
Sold Oct 2021
29 St Marys Court Church Lane Mellor Blackburn
Sold May 2021
Street avg 3 rooms
CO₂ Emissions
1.4 t/year
Street avg 1.7 t/year
BB2 7ER
Millstone — bus stop.
Closest school
0.1 km
Mellor St Mary Church of England Primary School. 9 schools nearby.
Night-time· 23:00 – 07:00
39.1dB
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