Crossman House, Flat 2, 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 53 m² (around 570 sq ft), construction records dating it to 1996-2002 and council tax band C. The latest certificate (September 2019) shows a C (score 76), near the top of the C band. When first surveyed in March 2009 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and lighting went from Very Poor to Average; while window efficiency dropped from Good to Average. At 53 m² this is the 3rd 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 across 5 units on file.
Last sold in February 2018, so it's been off the market for around 8 years. At 53 m² it's 17.2% smaller than the typical home in the postcode (64 m² median across 9 EPCs). Across 1997–2018, sale prices on this property compounded at 6% per year. Today's modelled estimate of £246,000 is 26.2% above the 2018 sale price. 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
Loft insulation upgraded to recommended levels
More low energy lighting installed
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 more than tripled in price since its earliest registered sale in 1997.
£246,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 21 years.
£195,000
Growth on file: 6.0% per year over 21 years.
Sales timeline
28 February 2018Most recent
£195,000
+33.6%over 13 years13 June 2004
£146,000
+150.6%over 6 years3 July 1997
£58,250
Median price across the last 5 sales in SL5 9NQ: £280,000 (2024–2020).
Nearby sales in SL5 9NQ
Versus other High Street homes
On years held, Crossman House stands well clear of the street.
Price per m²
£3,679
Street avg £4,041
Floor Area
53 m²
Street avg 65 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.4 t/year
Street avg 2.6 t/year
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