Crossman House, Flat 3, 9 High Street, Sunninghill, Ascot, SL5 9NQ
About Crossman House
Crossman House is a semi-detached house in Sunninghill, Ascot, Ascot (SL5 9NQ). It has a recorded floor area of 56 m² (around 603 sq ft) and construction records dating it to 1983-1990. The latest certificate (October 2025) returns a B (score 81), comfortably above the UK average. When first surveyed in December 2015 the rating was C, the property has climbed 1 band since. Between certificates, window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. At 56 m² this is the 4th smallest of 5 units on EPC record in Crossman House, where floor areas span 48–68 m². The building's EPC ratings span D to B, with this unit at the top.
Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). One historical planning record sits against the property in 2011.
Everything you need to know about Crossman House
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
Crossman House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Planning history
- Sept 2011Change Of UseFullIn report
Change of use of first floor B1a office to D2 use as a pilates studio
- Documents
- 20 docs on file
- Reference
- 11/02025/FULL
We flagged 1 thing worth checking at Crossman House
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
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Sales history & valuation
Crossman House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£264,000
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 9NQ: £280,000 (2024–2020).
Nearby sales in SL5 9NQ
3b, High Street, Sunninghill, Ascot, SL5 9NQ
Sold Nov 2024
£332,5003a, High Street, Sunninghill, Ascot, SL5 9NQ
Sold Oct 2024
£320,0001a, High Street, Sunninghill, Ascot, SL5 9NQ
Sold Dec 2020
£280,000Crossman House, Flat 2, 9 High Street, Sunninghill, Ascot, SL5 9NQ
Sold Feb 2018
£195,000Crossman House, Flat 1, 9 High Street, Sunninghill, Ascot, SL5 9NQ
Sold Feb 2018
£200,000
Versus other High Street homes
On epc rating, Crossman House stands well clear of the street.
EPC Rating
81 (B)
Street avg 68 (D)
Floor Area
56 m²
Street avg 65 m²
CO₂ Emissions
1.0 t/year
Street avg 2.6 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about Crossman House
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
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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
St Michaels School — bus stop.
Closest school
0.1 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
47.9dB
Night-time· 23:00 – 07:00
38.7dB