11a, Chertsey Close, Chesterfield, S40 2UD
About 11a
11a is a semi-detached house in Chesterfield (S40 2UD). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1976-1982 and council tax band A. At 73 m² this is the 6th smallest of 14 units on EPC record in the building, where floor areas span 47–82 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (March 2026) shows a C (score 79), near the top of the C band. The rating has held steady at C across 3 certificates since November 2009. Between certificates, wall efficiency went from Average to Good; while window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 13 March 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Low energy lighting percentage decreased
More low energy lighting installed
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Planning history
11a has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
11a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£121,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Median price across the last 1 sales in S40 2UD: £44,500 (2015–2015).
Nearby sales in S40 2UD
Versus other Chertsey Close homes
11a outperforms the street on epc rating by a wide margin.
EPC Rating
79 (C)
Street avg 76 (C)
Floor Area
73 m²
Street avg 68 m²
CO₂ Emissions
1.6 t/year
Street avg 1.9 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
338/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Kingsley Avenue — bus stop.
Closest school
0.2 km
Walton Peak Flying High Academy. 22 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
49.3dB

Night-time· 23:00 – 07:00
38.6dB







