21 Agincourt, Ascot, SL5 7SJ
About 21 Agincourt
21 Agincourt is a four-bedroom semi-detached house in Ascot (SL5 7SJ). It has a recorded floor area of 160 m² (around 1722 sq ft), construction records dating it to 1991-1995 and council tax band G. The latest certificate (October 2024) shows a C (score 72). When first surveyed in November 2014 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good; while roof efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 81). Other recorded features include outbuildings.
Untraded for 31 years, with the last transfer in April 1995. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 160 m² the property is well over the postcode median (94 m² across 22 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £826,000 sits 247.1% above the 1995 sale of £238,000. On a £-per-square-foot basis, the last sale (£138/sq ft) was about 53.9% below the postcode norm. 5 planning records sit against the property, 2 approved, 2 refused. Past consents include tree works and an extension, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- EnsuiteYes
Outside
- GarageYes
- OutbuildingsYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Planning history
21 Agincourt has 3 separate extension applications on the council record.
- Jun 2007Tree WorksTreesIn report
Consent to fell 1 Yew
- Documents
- 4 docs on file
- Reference
- 07/01323/TPO
- Jul 2004ExtensionFullIn report
Extension: Side of property
Erection of a 3 storey side extension (revision of 04/85030)
- Documents
- 2 docs on file
- Reference
- 04/85366/FULL
We flagged 1 thing worth checking at 21 Agincourt
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
21 Agincourt's estimated value is more than triple its earliest registered sale price (1995).
£826,000
Modelled from EPC, postcode comparables.
£238,000
Recorded with HM Land Registry.
Sales timeline
27 April 1995Most recent
£238,000
Median price across the last 5 sales in SL5 7SJ: £494,000 (2025–2022).
Versus other Agincourt homes
On price per m², 21 Agincourt runs well behind the street norm.
Price per m²
£1,488
Street avg £3,921
Floor Area
160 m²
Street avg 142 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
4.5 t/year
Street avg 5.0 t/year
Similar properties nearby
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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
0.7 km
Winkfield Road — bus stop.
Closest school
0.9 km
St Michael's CofE Primary School, Sunninghill. 7 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
48.2dB

Night-time· 23:00 – 07:00
39.9dB







