40 42, Flat 2, High Street, Sunninghill, Ascot, SL5 9NF
About 40 42
40 42 is a detached house in Sunninghill, Ascot, Ascot (SL5 9NF). It has a recorded floor area of 47 m² (around 506 sq ft) and construction records dating it to 1930-1949. The latest certificate (November 2017) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in April 2015 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Very Good and window efficiency went from Good to Very Good. Main heating runs on electricity: electricity, unspecified tariff.
3 planning records sit against the property, 3 approved, 0 refused. At 47 m² it's 25.4% smaller than the typical home in the postcode (63 m² median across 7 EPCs).
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
High performance glazing installed
Cavity wall insulation installed
Planning history
- May 2004RenovationFullIn report
Installation of two retractable dutch blinds to retail shop windows
- Documents
- 4 docs on file
- Reference
- 03/84616/FULL
- Feb 2003AdvertisingIn report
Consent to display one spot-light to either side 810mm hanging sign
- Documents
- 1 doc on file
- Reference
- 03/84618/ADV
We flagged 1 thing worth checking at 40 42
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
40 42 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£243,000
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 5 sales in SL5 9NF: £170,000 (2025–2006).
Versus other High Street homes
40 42 is notably below the street on floor area.
EPC Rating
68 (D)
Street avg 63 (D)
Floor Area
47 m²
Street avg 64 m²
CO₂ Emissions
1.8 t/year
Street avg 3.0 t/year
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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
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
High Street Shops — bus stop.
Closest school
0.2 km
St Michael's CofE Primary School, Sunninghill. 6 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
48.0dB

Night-time· 23:00 – 07:00
38.7dB







