12 Assembly Walk, Carshalton, SM5 1JH
About 12 Assembly Walk
12 Assembly Walk is a three-bedroom mid-terrace house in Carshalton (SM5 1JH). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (July 2020) shows a D (score 59), a step below the typical UK home. The recommended improvements would push it to C (score 78).
Untraded for 26 years, with the last transfer in May 2000. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £384,000 sits 156% above the 2000 sale of £150,000. On a £-per-square-foot basis, the last sale (£164/sq ft) was about 25.2% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs).
What this property has
Inside
- Bedrooms3
Energy performance
EPC Rating
Planning history
12 Assembly Walk has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 2 things worth checking at 12 Assembly 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
12 Assembly Walk valuation sits well clear of the typical sold price in this postcode.
£384,000
Modelled from EPC, postcode comparables.
£150,000
Recorded with HM Land Registry.
Sales timeline
7 May 2000Most recent
£150,000
Median price across the last 5 sales in SM5 1JH: £330,000 (2023–2015).
Nearby sales in SM5 1JH
Versus other Assembly Walk homes
EPC Rating for 12 Assembly Walk lags the street by a wide margin.
Price per m²
£1,765
Street avg £2,699
Floor Area
85 m²
Street avg 82 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 2.7 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
14/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Thornton Road — bus stop.
Closest school
0.4 km
Tweeddale Primary School. 46 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
52.3dB

Night-time· 23:00 – 07:00
41.8dB







