Alton Court, Flat 4, 84 Willoughby Road, Slough, SL3 8JQ
About Alton Court
Alton Court is a semi-detached house in Slough (SL3 8JQ). It has a recorded floor area of 50 m² (around 538 sq ft) and construction records dating it to 1976-1982. At 50 m² this is the largest unit on EPC record across Alton Court (44–50 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (70 versus a worst of 61). The latest certificate (September 2020) shows a C (score 70).
At 50 m² it sits well below the postcode median (78 m² across 18 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. Sold September 2021 for £215,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1997–2021, sale prices on this property compounded at 6.4% per year. On a £-per-square-foot basis, the last sale (£399/sq ft) was about 58.9% above the typical sold price in the postcode.
Everything you need to know about Alton Court
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Alton Court ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 9 September 2030
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Alton Court has no planning applications on record.
But the area is active
11 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Alton Court has more than quadrupled in price since its earliest registered sale in 1997.
£220,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 25 years.
£215,000
Growth on file: 6.4% per year over 25 years.
Sales timeline
29 September 2021Most recent
£215,000
+238.6%over 22 years15 July 1999
£63,500
+5.8%over 10 months3 September 1998
£60,000
+26.3%over 1 year27 March 1997
£47,500
Median price across the last 5 sales in SL3 8JQ: £280,000 (2025–2020).
Nearby sales in SL3 8JQ
Versus other Willoughby Road homes
Price per m² for Alton Court runs comfortably ahead of the street norm.
Price per m²
£4,300
Street avg £2,984
Floor Area
50 m²
Street avg 46 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.0 t/year
Street avg 2.3 t/year
Everything you need to know about Alton Court
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
298/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Harrow Market — bus stop.
Closest school
0.3 km
The Langley Heritage Primary. 17 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
50.4dB
Night-time· 23:00 – 07:00
41.5dB