11 Alder Close, Slough, SL1 5DQ
About 11 Alder Close
11 Alder Close is a two-bedroom mid-terrace house in Slough (SL1 5DQ). It has a recorded floor area of 59 m² (around 633 sq ft), construction records dating it to 1996-2002 and council tax band D. The latest certificate (January 2009) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 62). The latest certificate is from January 2009, so improvements made since then won't be reflected.
Held since May 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 59 m² it's 22.5% larger than the typical home in the postcode (48 m² median across 31 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2001–2009, sale prices on this property compounded at 4.5% per year. Today's modelled estimate of £341,000 sits 96% above the 2009 sale of £174,000.
What this property has
Inside
- Bedrooms2
Outside
- Private gardenYes
Building
- Heating systemGas
Energy performance
11 Alder Close sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 31 Jan 2019
EPC Rating
Certificate validity
Expired on 31 January 2019
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Planning history
11 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
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£341,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 8 years.
£174,000
Growth on file: 4.5% per year over 8 years.
Sales timeline
20 May 2009Most recent
£174,000
+42.0%over 7 years7 June 2001
£122,500
Median price across the last 5 sales in SL1 5DQ: £256,000 (2025–2023).
Versus other Alder Close homes
EPC Rating for 11 Alder Close lags the street by a wide margin.
Price per m²
£2,959
Street avg £4,481
Floor Area
59 m²
Street avg 54 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
3.6 t/year
Street avg 2.3 t/year
Similar properties nearby
1 Alder Close
SL1 5DQ
1 Berners Close
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1 April Place, Mallard Drive
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1 Abbey Close
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The neighbourhood at a glance
Crime
656/mo
Falling 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







