16 Ash Close is a five-bedroom detached house in Killamarsh, Sheffield, Sheffield (S21 1GU). It has a recorded floor area of 149 m² (around 1604 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (October 2025) shows a C (score 74). When first surveyed in February 2011 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and lighting went from Average to Very Good; while window efficiency dropped from Good to Average. Other recorded features include outbuildings and attached land beyond the plot. Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.
At 149 m² the property is well over the postcode median (68 m² across 6 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Today's modelled estimate of £442,000 sits 194.7% above the 2012 sale of £150,000. On a £-per-square-foot basis, the last sale (£94/sq ft) was about 43.4% below the postcode norm. One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in March 2012, so it's been off the market for around 14 years.
16 Ash Close has an approved single-storey extension on the planning record.
Extension: Single storey
Proposed first floor extension over existing garage.
16 Ash Close valuation sits well clear of the typical sold price in this postcode.
£442,000
Modelled from EPC, postcode comparables.
£150,000
Recorded with HM Land Registry.
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Price per m² for 16 Ash Close lags the street by a wide margin.
Price per m²
£1,007
Street avg £2,339
Floor Area
149 m²
Street avg 72 m²
Habitable Rooms
6 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
46.3dB

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Changes detected from historical EPC data
Hot water efficiency decreased
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Roof insulation improved
Full planning data for 16 Ash Close, Killamarsh, Sheffield, S21 1GU
Every application and decision on this property and nearby, in full, in the report.
15 March 2012Most recent
£150,000
Median price across the last 5 sales in S21 1GU: £145,000 (2025–2013).
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
3.9 t/year
Street avg 3.6 t/year
S21 1TA
Mulberry Way — bus stop.
Closest school
0.4 km
St Giles CofE Primary School. 14 schools nearby.
Night-time· 23:00 – 07:00
36.5dB