23 Hardy Close, Slough, SL1 9AH
About 23 Hardy Close
23 Hardy Close is a two-bedroom mid-terrace house in Slough (SL1 9AH). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (April 2025) shows an E (score 41), well below the UK norm with real room to improve. Earlier certificates rated it D (October 2014); the latest reading is one band lower. Between certificates, wall efficiency went from Average to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would lift it to C (score 71), a 2-band jump. Main heating runs on electricity. Other recorded features include a conservatory. Our model identifies extension potential, subject to local planning policy.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. It changed hands recently, sold November 2025 for £357,500. Across 1996–2025, sale prices on this property compounded at 6.2% per year. On a £-per-square-foot basis, the last sale (£481/sq ft) was about 92.1% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
- ConservatoryYes
Outside
- Private gardenRear
- GarageEn bloc
Building
- Extension potentialPossible
Energy performance
23 Hardy Close sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system changed
Wall insulation upgraded
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
23 Hardy Close has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
23 Hardy Close has more than quadrupled in price since its earliest registered sale in 1996.
£354,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 29 years.
£357,500
Growth on file: 6.2% per year over 29 years.
Sales timeline
4 November 2025Most recent
£357,500
+12.6%over 4 years21 June 2021
£317,500
+98.4%over 18 years21 April 2003
£160,000
+65.0%over 3 years27 January 2000
£96,950
+56.4%over 3 years10 October 1996
£62,000
Median price across the last 5 sales in SL1 9AH: £402,000 (2025–2023).
Versus other Hardy Close homes
Years Held for 23 Hardy Close lags the street by a wide margin.
Price per m²
£5,181
Street avg £4,247
Floor Area
69 m²
Street avg 65 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
4.1 t/year
Street avg 2.8 t/year
Similar properties nearby
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
0.2 km
Raleigh Close — bus stop.
Closest school
0.3 km
The Westgate School. 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
54.0dB

Night-time· 23:00 – 07:00
44.7dB







