12 Bay Court is a three-bedroom semi-detached house in Killamarsh, Sheffield, Sheffield (S21 1HL). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (November 2022) shows a C (score 80), near the top of the C band. The rating has held steady at C across 2 certificates since June 2012. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 85).
Sale prices here have outpaced Sheffield HPI: 3.2% per year against 0% for the wider region. Today's modelled estimate of £236,000 is 15.1% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£221/sq ft) was about 44.9% above the typical sold price in the postcode. Most recent transfer: May 2023 at £205,000.
No planning applications are recorded against 12 Bay Court, Killamarsh, Sheffield, S21 1HL. The full report also covers planning activity across the surrounding area.
Full planning data for 12 Bay Court, Killamarsh, Sheffield, S21 1HL
Every application and decision on this property and nearby, in full, in the report.
12 Bay Court valuation sits well clear of the typical sold price in this postcode.
£236,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.2% per year over 19 years.
£205,000
Growth on file: 3.2% per year over 19 years.
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12 Bay Court outperforms the street on price per m² by a wide margin.
Price per m²
£2,384
Street avg £1,602
Floor Area
86 m²
Street avg 79 m²
Habitable Rooms
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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Changes detected from historical EPC data
Window efficiency improved
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
Solar PV panels (50 kWp) installed
12 May 2023Most recent
£205,000
+79.8%over 18 years26 August 2004
£114,000
Median price across the last 5 sales in S21 1HL: £133,500 (2021–2009).
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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Street avg 5 rooms
CO₂ Emissions
2.2 t/year
Street avg 3.3 t/year
S21 1TH
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