18 Ashton Close is a three-bedroom semi-detached house in Killamarsh, Sheffield, Sheffield (S21 1HS). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (May 2024) shows a C (score 71). Earlier certificates rated it B (January 2014); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good. The recommended improvements would push it to B (score 86). Our model identifies extension potential, subject to local planning policy.
It changed hands recently, sold July 2025 for £165,000. Today's modelled estimate of £200,000 is 21.2% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£225/sq ft) was about 77.8% above the typical sold price in the postcode.
No planning applications are recorded against 18 Ashton Close, Killamarsh, Sheffield, S21 1HS. The full report also covers planning activity across the surrounding area.
Full planning data for 18 Ashton Close, Killamarsh, Sheffield, S21 1HS
Every application and decision on this property and nearby, in full, in the report.
18 Ashton Close valuation sits well clear of the typical sold price in this postcode.
£200,000
Modelled from EPC, postcode comparables.
£165,000
Recorded with HM Land Registry.
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On years held, 18 Ashton Close runs well behind the street norm.
Price per m²
£2,426
Street avg £1,568
Floor Area
68 m²
Street avg 72 m²
Habitable Rooms
4 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
47.5dB

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Changes detected from historical EPC data
Roof insulation improved
23 July 2025Most recent
£165,000
Median price across the last 5 sales in S21 1HS: £155,000 (2022–2017).
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 4 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.5 t/year
S21 1AA
Metcalfe Avenue — bus stop.
Closest school
0.4 km
St Giles CofE Primary School. 15 schools nearby.
Night-time· 23:00 – 07:00
38.2dB