4 Wales Avenue, Carshalton, SM5 3QN
About 4 Wales Avenue
4 Wales Avenue is a detached house in Carshalton (SM5 3QN). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (April 2015) shows a D (score 55), a step below the typical UK home. When first surveyed in February 2012 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Very Good, window efficiency went from Poor to Good and hot-water efficiency went from Poor to Good. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from April 2015, so improvements made since then won't be reflected.
At 111 m² the property is well over the postcode median (67 m² across 24 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £679,000 is 39.3% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£408/sq ft) was about 25.5% above the typical sold price in the postcode. 14 years since the last transfer (July 2012).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Apr 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
- Feb 2025OutbuildingFullIn report
Erection of outbuilding.
- Agent
- Planning Additions
- Documents
- 13 docs on file
- Reference
- DM2025/00021
- Apr 2014Garage ConversionFullIn report
Extension: Single storey · Side and rear of property
Erection of a single storey rear and side extension and alterations to front of garage in connection with conversion into a habitable room.
Extension- Reference
- C2014/68655
We flagged 1 thing worth checking at 4 Wales Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
4 Wales Avenue valuation sits well clear of the typical sold price in this postcode.
£679,000
Modelled from EPC, postcode comparables.
£487,500
Recorded with HM Land Registry.
Sales timeline
15 July 2012Most recent
£487,500
Median price across the last 5 sales in SM5 3QN: £450,000 (2025–2023).
Nearby sales in SM5 3QN
Versus other Wales Avenue homes
On co₂ emissions, 4 Wales Avenue runs well behind the street norm.
Price per m²
£4,392
Street avg £4,340
Floor Area
111 m²
Street avg 101 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.5 t/year
Street avg 3.8 t/year
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
Cambridge Road / Carlshalton Road — bus stop.
Closest school
0.3 km
St Philomena's Catholic High School for Girls. 38 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
52.5dB

Night-time· 23:00 – 07:00
43.0dB







