20 Highclere, Ascot, SL5 0AA
About 20 Highclere
20 Highclere is a detached house in Ascot (SL5 0AA). It has a recorded floor area of 172 m² (around 1851 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (February 2023) shows a C (score 72). When first surveyed in September 2011 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Very Poor.
Held since March 2000 — that's 26 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 172 m² the property is well over the postcode median (124 m² across 18 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 72% of similar EPCs). Today's modelled estimate of £950,000 sits 280.1% above the 2000 sale of £249,950. On a £-per-square-foot basis, the last sale (£135/sq ft) was about 56.7% below the postcode norm. One planning record on file: an extension approved in 2013. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Planning history
- Jun 2013Loft ConversionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension and main roof altered from hipped to gable, with front and rear dormers to provide a loft conversion
Extension- Documents
- 11 docs on file
- Reference
- 13/01119/FULL
What's in 20 Highclere, Ascot, SL5 0AA's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
20 Highclere's estimated value is more than triple its earliest registered sale price (2000).
£950,000
Modelled from EPC, postcode comparables.
£249,950
Recorded with HM Land Registry.
Sales timeline
3 March 2000Most recent
£249,950
Median price across the last 5 sales in SL5 0AA: £735,000 (2024–2022).
Versus other Highclere homes
On price per m², 20 Highclere runs well behind the street norm.
Price per m²
£1,453
Street avg £4,292
Floor Area
172 m²
Street avg 131 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
5.1 t/year
Street avg 5.5 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
0.2 km
St Michaels School — 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
48.8dB

Night-time· 23:00 – 07:00
40.2dB







