18 Alder Close, Slough, SL1 5DQ
About 18 Alder Close
18 Alder Close is a two-bedroom semi-detached house in Slough (SL1 5DQ). It has a recorded floor area of 55 m² (around 590 sq ft), construction records dating it to 1983-1990 and council tax band C. At 55 m² this is the 21st smallest of 32 units on EPC record in the building, where floor areas span 41–108 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (November 2010) shows a C (score 75), near the top of the C band. The recommended improvements would push it to B (score 81). The latest certificate is from November 2010, so improvements made since then won't be reflected.
Most recent transfer: March 2019 at £242,500. Across the public record there are 6 sales, relatively high churn for a single property. Across 1995–2019, sale prices on this property compounded at 6.4% per year. On a £-per-square-foot basis, the last sale (£411/sq ft) was about 42.6% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Dining roomYes
- EnsuiteYes
Outside
- ParkingOff street
Building
- Heating systemGas
Energy performance
18 Alder Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 Nov 2020
EPC Rating
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Planning history
18 Alder Close has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
18 Alder Close has more than quadrupled in price since its earliest registered sale in 1995.
£242,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 24 years.
£242,500
Growth on file: 6.4% per year over 24 years.
Sales timeline
18 March 2019Most recent
£242,500
+37.4%over 4 years30 March 2014
£176,500
+21.8%over 9 years10 November 2004
£144,950
+20.8%over 2 years26 June 2002
£119,950
+118.1%over 5 years10 January 1997
£55,000
27 April 1995
£54,950
Median price across the last 5 sales in SL1 5DQ: £337,000 (2025–2023).
Versus other Alder Close homes
18 Alder Close outperforms the street on floor area by a wide margin.
Price per m²
£4,424
Street avg £3,652
Floor Area
55 m²
Street avg 51 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.0 t/year
Similar properties nearby
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1 Alder Close
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1 Berners Close
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1 Berrington Mews
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1 Ashmount Crescent
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1 Abbey Close
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Lower Cippenham La — bus stop.
Closest school
0.4 km
Western House Academy. 25 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
52.9dB

Night-time· 23:00 – 07:00
43.4dB







