18 20, Flat 3 5, High Street, Carshalton, SM5 3AG
About 18 20
18 20 is a mid-terrace house in Carshalton (SM5 3AG). It has a recorded floor area of 38 m² (around 412 sq ft) and construction records dating it to 1930-1949. At 38 m² this is the 2nd smallest of 6 units on EPC record in 18 20, where floor areas span 38–73 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (March 2012) shows a C (score 72). The latest certificate is from March 2012, so improvements made since then won't be reflected.
At 38 m² it's 15.9% smaller than the typical home in the postcode (46 m² median across 42 EPCs).
Energy performance
18 20's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 28 Mar 2022
EPC Rating
Planning history
18 20 has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 18 20
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
18 20 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£243,000
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 3AG: £287,000 (2024–2017).
Nearby sales in SM5 3AG
Versus other High Street homes
EPC Rating
72 (C)
Street avg 65 (D)
Floor Area
38 m²
Street avg 50 m²
CO₂ Emissions
1.5 t/year
Street avg 2.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
18 20, Flat 5, High Street
SM5 3AG
42b, Flat 1, Banstead Road
SM5 3NW
17a, Flat 1, High Street
SM5 3AP
17a, Flat 5, Wales Avenue
SM5 3QN
24b, Flat, The Parade, Beynon Road
SM5 3RL
42b, Flat 2, Banstead Road
SM5 3NW
18 20, Flat 3, High Street
SM5 3AG
18 20, Flat 2, High Street
SM5 3AG
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
Carshalton High Street — bus stop.
Closest school
0.2 km
All Saints Carshalton Church of England Primary School. 41 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
54.3dB

Night-time· 23:00 – 07:00
45.3dB







