17 Ash Close, Carshalton, SM5 2AJ
About 17 Ash Close
17 Ash Close is an end-of-terrace house in Carshalton (SM5 2AJ). It has a recorded floor area of 113 m² (around 1216 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2024) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2009. Between certificates, roof efficiency went from Average to Good and lighting went from Poor to Very Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 84), a 2-band jump.
Untraded for 17 years, with the last transfer in April 2009. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1999–2009, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £557,000 sits 122.8% above the 2009 sale of £250,000. On a £-per-square-foot basis, the last sale (£206/sq ft) was about 41% below the postcode norm. At 113 m² it's 19.6% larger than the typical home in the postcode (95 m² median across 12 EPCs). One planning record on file: an extension refused in 2025.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
A recent planning application at 17 Ash Close was refused — worth checking the council file.
- Jul 2025ExtensionFullIn report
Extension: Single storey
Erection of a first floor side extension and a single storey rear extension.
- Agent
- G B Services
- Documents
- 17 docs on file
- Reference
- DM2025/00809
We flagged 1 thing worth checking at 17 Ash Close
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.
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
17 Ash Close has more than doubled in price since the earliest registered sale in 1999.
£557,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 10 years.
£250,000
Growth on file: 7.6% per year over 10 years.
Sales timeline
30 April 2009Most recent
£250,000
+5.3%over 3 years29 June 2005
£237,500
+10.5%over 2 years13 December 2002
£215,000
+72.1%over 3 years21 October 1999
£124,950
Median price across the last 5 sales in SM5 2AJ: £500,000 (2024–2021).
Versus other Ash Close homes
Price per m² for 17 Ash Close lags the street by a wide margin.
Price per m²
£2,212
Street avg £4,120
Floor Area
113 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.1 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
Beech Close — bus stop.
Closest school
0.3 km
Muschamp Primary School and Language Opportunity Base. 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
52.5dB

Night-time· 23:00 – 07:00
41.2dB







