Model valuation£417,0008 Busby Close
Local market context
Alton Court, Flat 4, 84 Willoughby Road, Slough, SL3 8JQ
4 sales on record
Property type
Semi-detached
Floor 1st
Habitable rooms
3
From EPC
Floor area
50 m²
538 sq ft
Energy rating
C
Score 70
Tenure
Social Rental
About Alton Court
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
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.
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Everything you need to know about Alton Court
The true value, the hidden risks and the full sale history, in one report.
Signs of HMO activity in the areaLarger development activity nearby
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Alton Court ranks among the most efficient homes in the postcode for energy use.
Current Certificate
Sept 2020EPC Rating
A
B
C
C70
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.0 t/year
Occupancy
Rented
Certificate validity
Valid until 9 September 2030
Get a survey for this property
Level 3 Building Survey
Late 20th century1st Floor FlatEPC CSolid (non-cavity) walls
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Applications and permits filed against Alton Court, Flat 4, 84 Willoughby Road, Slough, SL3 8JQ, sourced from the PlanIt planning register.
Alton Court has no planning applications on record.
11
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
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Alton Court has more than quadrupled in price since its earliest registered sale in 1997.
Current estimate
See how we calculated this£220,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 25 years.
Last sold (2021)
£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
Four headline reads against 3 similar flats on this street, drawn from the latest EPC and Land Registry data.
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
Property research, connected
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Start your researchSimilar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£220k
Byron House, Flat 16, Common Road
SL3 8TR
Flat
£218k
Byron House, Flat 10, Common Road
SL3 8TR
Flat
£230k
Ashwood Place, Flat 1, Tamar Way
SL3 8GX
Flat2 bed1 bath
£210k
Byron House, Flat 18, Common Road
SL3 8TR
Flat
£210k
Byron House, Flat 21, Common Road
SL3 8TR
Flat
£234k
Ashwood Place, Flat 4, Tamar Way
SL3 8GX
Flat
£206k
Ashwood Place, Flat 3, Tamar Way
SL3 8GX
Flat1 bed1 bath
£237k
Alton Court, Flat 3, 84 Willoughby Road
SL3 8JQ
Flat
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Slough district page.
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
Modelled day and night-time noise levels around SL3 8JQ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
50.4dB
Night-time· 23:00 – 07:00
41.5dB
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4Common questions
The questions buyers, sellers and homeowners most often ask about Alton Court, Flat 4, 84 Willoughby Road, Slough, SL3 8JQ. Each answer is also embedded as structured data for search engines.