25 Colston Avenue, Carshalton, SM5 2PH
About 25 Colston Avenue
25 Colston Avenue is a two-bedroom detached house in Carshalton (SM5 2PH). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (September 2017) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (February 2011); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good; while window efficiency dropped from Average to Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 83), a 3-band jump.
At 82 m² it sits well below the postcode median (118 m² across 11 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2008–2018, sale prices on this property compounded at 4.5% per year. Today's modelled estimate of £613,000 is 16.8% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£595/sq ft) was about 70.4% above the typical sold price in the postcode. Last sold in March 2018, so it's been off the market for around 8 years.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
Outside
- GarageYes
Building
- RefurbishedYes
Energy performance
25 Colston Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Roof insulation improved
Planning history
25 Colston Avenue has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Sales history & valuation
25 Colston Avenue saw 3 transfers in just over a decade — high turnover for the postcode.
£613,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 10 years.
£525,000
Growth on file: 4.5% per year over 10 years.
Sales timeline
15 March 2018Most recent
£525,000
+69.4%over 6 years13 June 2011
£310,000
-8.8%over 3 years3 April 2008
£340,000
Median price across the last 5 sales in SM5 2PH: £655,500 (2023–2021).
Nearby sales in SM5 2PH
Versus other Colston Avenue homes
On epc rating, 25 Colston Avenue runs well behind the street norm.
Price per m²
£6,402
Street avg £4,418
Floor Area
82 m²
Street avg 124 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
4.6 t/year
Street avg 3.9 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
14/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Colston Avenue — bus stop.
Closest school
0.3 km
Carshalton High School for Girls. 42 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
53.3dB

Night-time· 23:00 – 07:00
44.3dB







