12a is a semi-detached house in Killamarsh, Sheffield, Sheffield (S21 1AH). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (November 2016) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 68). At 44 m² this is the 6th smallest of 41 units on EPC record in the building, where floor areas span 29–159 m². The building's EPC ratings span F to C across 41 units on file.
At 44 m² it's 24.1% smaller than the typical home in the postcode (58 m² median across 40 EPCs).
No planning applications are recorded against 12a, Bridge Street, Killamarsh, Sheffield, S21 1AH. The full report also covers planning activity across the surrounding area.
Full planning data for 12a, Bridge Street, Killamarsh, Sheffield, S21 1AH
Every application and decision on this property and nearby, in full, in the report.
12a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£132,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
On floor area, 12a runs well behind the street norm.
EPC Rating
54 (E)
Street avg 54 (E)
Floor Area
44 m²
Street avg 58 m²
CO₂ Emissions
3.5 t/year
Street avg 3.1 t/year
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km

Daytime· 07:00 – 23:00
47.8dB

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View improvement recommendations
Unlock the certificate's suggested upgrades and estimated costs in the full report
Median price across the last 5 sales in S21 1AH: £150,000 (2025–2022).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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Habitable Rooms
3 rooms
Street avg 3 rooms
Bridge Street setting down — bus stop.
Closest school
0.5 km
St Giles CofE Primary School. 15 schools nearby.
Night-time· 23:00 – 07:00
38.3dB