42b, Flat 3, Banstead Road, Carshalton, SM5 3NW
About 42b
42b is a mid-terrace house in Carshalton (SM5 3NW). It has a recorded floor area of 30 m² (around 323 sq ft) and construction records dating it to 1991-1995. At 30 m² this is the smallest unit on EPC record across 42b (30–53 m²). On EPC score it ranks first in the building (77 versus a worst of 69). The latest certificate (August 2025) shows a C (score 77), near the top of the C band. When first surveyed in June 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Good.
At 30 m² it sits well below the postcode median (63 m² across 16 EPCs), making it one of the more compact homes locally.
Energy performance
42b's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
Planning history
42b has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 42b
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
42b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£199,000
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 4 sales in SM5 3NW: £184,000 (2008–2001).
Versus other Banstead Road homes
CO₂ Emissions for 42b runs comfortably ahead of the street norm.
EPC Rating
77 (C)
Street avg 62 (D)
Floor Area
30 m²
Street avg 62 m²
CO₂ Emissions
0.8 t/year
Street avg 3.1 t/year
Habitable Rooms
1 rooms
Street avg 3 rooms
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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
0.0 km
Downside Road — bus stop.
Closest school
0.6 km
Barrow Hedges Primary School. 35 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
50.9dB

Night-time· 23:00 – 07:00
40.1dB







