18 Roche Walk, Carshalton, SM5 1DA
About 18 Roche Walk
18 Roche Walk is a semi-detached house in Carshalton (SM5 1DA). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1967-1975 and council tax band C. At 42 m² this is the smallest unit on EPC record across the building (42–87 m²). The building's EPC ratings span F to C, with this unit at the top. The latest certificate (February 2026) shows a C (score 71). The rating has held steady at C across 2 certificates since December 2018. Between certificates, wall efficiency went from Average to Good; while window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.
At 42 m² it sits well below the postcode median (64 m² across 29 EPCs), making it one of the more compact homes locally.
Everything you need to know about 18 Roche Walk
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
18 Roche Walk's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Planning history
18 Roche Walk has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 2 things worth checking at 18 Roche Walk
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.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
18 Roche Walk has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£271,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SM5 1DA: £410,000 (2024–2021).
Versus other Roche Walk homes
Floor Area for 18 Roche Walk lags the street by a wide margin.
EPC Rating
71 (C)
Street avg 68 (D)
Floor Area
42 m²
Street avg 48 m²
CO₂ Emissions
1.2 t/year
Street avg 2.0 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 18 Roche Walk
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
Crime
14/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Green Wrythe Lane — bus stop.
Closest school
0.2 km
St Teresa's Catholic Primary School. 48 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
53.8dB
Night-time· 23:00 – 07:00
44.7dB