Alton Court, Flat 2, 84 Willoughby Road, Slough, SL3 8JQ
About Alton Court
Alton Court is a two-bedroom detached house in Slough (SL3 8JQ). It has a recorded floor area of 44 m² (around 474 sq ft) and construction records dating it to 1967-1975. At 44 m² this is the smallest unit on EPC record across Alton Court (44–50 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (61 versus a best of 70). The latest certificate (April 2026) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in April 2016 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency dropped from Good to Average and lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 73). This certificate was lodged in the last six months, so the rating reflects current condition.
Held since September 2005 — that's 21 years off the open market, well above the local norm. Across 1999–2005, sale prices on this property compounded at 16.1% per year. Today's modelled estimate of £256,000 sits 60% above the 2005 sale of £160,000. On a £-per-square-foot basis, the last sale (£338/sq ft) was about 37.5% above the typical sold price in the postcode. At 44 m² it sits well below the postcode median (78 m² across 18 EPCs), making it one of the more compact homes locally.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
Outside
- Private gardenRear
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
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 23 April 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
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Level 2 HomeBuyer Report
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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 doubled in price since the earliest registered sale in 1999.
£256,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.1% per year over 6 years.
£160,000
Growth on file: 16.1% per year over 6 years.
Sales timeline
29 September 2005Most recent
£160,000
+152.0%over 6 years26 July 1999
£63,500
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
Floor Area for Alton Court lags the street by a wide margin.
Price per m²
£3,636
Street avg £3,206
Floor Area
44 m²
Street avg 48 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.1 t/year
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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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






