Alton Court, Flat 3, 84 Willoughby Road, Slough, SL3 8JQ
About Alton Court
Alton Court is a property in Slough (SL3 8JQ). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1900-1929 and council tax band B. At 45 m² this is the 2nd smallest of 4 units on EPC record in Alton Court, where floor areas span 44–50 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (February 2026) shows a C (score 69), just inside the C band. This certificate was lodged in the last six months, so the rating reflects current condition.
At 45 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. Across 2001–2017, sale prices on this property compounded at 5% per year. Today's modelled estimate of £237,000 is 29.5% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£378/sq ft) was about 56.4% above the typical sold price in the postcode. 9 years since the last transfer (June 2017).
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 17 February 2036
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and 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
Sale price has at least doubled since 2001.
£237,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 16 years.
£183,000
Growth on file: 5.0% per year over 16 years.
Sales timeline
14 June 2017Most recent
£183,000
+10.9%18 April 2017
£165,000
+98.9%over 15 years17 May 2001
£82,950
Median price across the last 5 sales in SL3 8JQ: £280,000 (2025–2020).
Nearby sales in SL3 8JQ
78 Willoughby Road, Slough, SL3 8JQ
Sold Jan 2025
£440,00074 Willoughby Road, Slough, SL3 8JQ
Sold Apr 2024
£400,000Alton Court, Flat 4, 84 Willoughby Road, Slough, SL3 8JQ
Sold Sept 2021
£215,00059 Willoughby Road, Slough, SL3 8JQ
Sold Jan 2020
£195,00073 Willoughby Road, Slough, SL3 8JQ
Sold Apr 2019
£487,500
Versus other Willoughby Road homes
CO₂ Emissions for Alton Court runs comfortably ahead of the street norm.
Price per m²
£4,067
Street avg £3,062
Floor Area
45 m²
Street avg 47 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 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