15 Bay Court is a three-bedroom semi-detached house in Killamarsh, Sheffield, Sheffield (S21 1HL). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (December 2025) shows a D (score 61), on the cusp of jumping into the C band. 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. Our model identifies extension potential, subject to local planning policy.
It hasn't traded since June 2005, a hold of 21 years that's notably long for the area. Sale prices here have outpaced Sheffield HPI: 20.6% per year against 0% for the wider region. Today's modelled estimate of £207,000 sits 65.6% above the 2005 sale of £125,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
No planning applications are recorded against 15 Bay Court, Killamarsh, Sheffield, S21 1HL. The full report also covers planning activity across the surrounding area.
Full planning data for 15 Bay Court, Killamarsh, Sheffield, S21 1HL
Every application and decision on this property and nearby, in full, in the report.
15 Bay Court has more than doubled in price since the earliest registered sale in 2000.
£207,000
Modelled from EPC, postcode comparables and a sale-price growth of 20.6% per year over 5 years.
£125,000
Growth on file: 20.6% per year over 5 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
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On floor area, 15 Bay Court runs well behind the street norm.
Price per m²
£1,812
Street avg £1,697
Floor Area
69 m²
Street avg 81 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
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
0.1 km

Daytime· 07:00 – 23:00
46.6dB

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10 June 2005Most recent
£125,000
+160.4%over 5 years28 April 2000
£48,000
Median price across the last 5 sales in S21 1HL: £159,000 (2023–2011).
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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CO₂ Emissions
3.1 t/year
Street avg 3.2 t/year
S21 1AA
Mulberry Way — bus stop.
Closest school
0.3 km
St Giles CofE Primary School. 15 schools nearby.
Night-time· 23:00 – 07:00
36.6dB