21 Colston Avenue, Carshalton, SM5 2PH
About 21 Colston Avenue
21 Colston Avenue is a three-bedroom semi-detached house in Carshalton (SM5 2PH). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (July 2023) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 86), a 2-band jump.
4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, a loft conversion and an annexe, meaningful when judging how the property has evolved. Across 2021–2023, sale prices on this property compounded at 12.9% per year. Today's modelled estimate of £613,000 is 11.5% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£469/sq ft) was about 31.2% above the typical sold price in the postcode. Most recent transfer: October 2023 at £550,000.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenYes
- DrivewayYes
Building
- Heating systemGas
Everything you need to know about 21 Colston Avenue
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
21 Colston Avenue has 2 separate extension applications on the council record.
- Mar 2026ExtensionOutlineIn report
Extension: Single storey · Rear of property
Prior Approval for a single storey rear extension projecting from the rear of the original house by 4m.
- Documents
- 6 docs on file
- Reference
- DM2026/00105
- Nov 2022Loft ConversionOutlineIn report
Conversion of loft space involving a hip to gable extension to side roof slope, a dormer extension at rear and roof lights to front roof slope.
- Agent
- Knight Associates Ltd
Extension- Documents
- 5 docs on file
- Reference
- DM2022/01681
What's in 21 Colston Avenue, Carshalton, SM5 2PH's planning history?
2 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
21 Colston Avenue valuation sits well clear of the typical sold price in this postcode.
£613,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.9% per year over 3 years.
£550,000
Growth on file: 12.9% per year over 3 years.
Sales timeline
18 October 2023Most recent
£550,000
+37.5%over 2 years3 March 2021
£400,000
Median price across the last 5 sales in SM5 2PH: £655,500 (2023–2019).
Nearby sales in SM5 2PH
Versus other Colston Avenue homes
21 Colston Avenue is notably below the street on years held.
Price per m²
£5,046
Street avg £4,542
Floor Area
109 m²
Street avg 121 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.0 t/year
Street avg 3.9 t/year
Everything you need to know about 21 Colston Avenue
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
Similar properties nearby
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