11a, High Street, Sunninghill, Ascot, SL5 9NQ
About 11a
11a is a semi-detached house in Sunninghill, Ascot, Ascot (SL5 9NQ). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (February 2025) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in February 2013 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 74). At 60 m² this is the 5th smallest of 10 units on EPC record in the building, where floor areas span 48–96 m². The building's EPC ratings span E to B across 10 units on file.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Planning history
11a has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 11a
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
11a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£272,000
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
EPC Rating
68 (D)
Street avg 70 (C)
Floor Area
60 m²
Street avg 64 m²
CO₂ Emissions
2.6 t/year
Street avg 2.5 t/year
Habitable Rooms
3 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
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







