143 Ireton Avenue, Walton On Thames, KT12 1EN
About 143 Ireton Avenue
143 Ireton Avenue is a four-bedroom detached house in Walton On Thames (KT12 1EN). It has a recorded floor area of 263 m² (around 2831 sq ft), construction records dating it to 1967-1975 and council tax band H. The latest certificate (May 2019) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
At 263 m² it sits well below the postcode median (638 m² across 7 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). 3 planning records sit against the property, 3 approved, 0 refused. Past consents include a loft conversion, an extension, partial demolition and a conservatory, meaningful when judging how the property has evolved. Today's modelled estimate of £1,936,000 is 14.6% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£597/sq ft) was about 66.5% above the typical sold price in the postcode. Sold October 2019 for £1,690,000.
Know exactly what you're buying at 143 Ireton Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenSouth-facing
Building
- Extension potentialPossible
Energy performance
143 Ireton Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Apr 2022Loft ConversionFullIn report
Rear dormer window and front rooflights above existing garage.
- Documents
- 22 docs on file
- Reference
- 2022/0070
- Mar 2021DemolitionFullIn report
Extension: Part single, part two storey
Part two/part single-storey front/side extension, single-storey rear extension, raised patio, gates and piers to a height of 1.95m and alterations to fenestration following demolition of existing conservatory and chimney stack.
Extension- Documents
- 30 docs on file
- Reference
- 2021/0258
We flagged 1 thing worth checking at 143 Ireton Avenue
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
£1,936,000
Modelled from EPC, postcode comparables.
£1,690,000
Recorded with HM Land Registry.
Sales timeline
15 October 2019Most recent
£1,690,000
Median price across the last 5 sales in KT12 1EN: £2,320,000 (2023–2013).
Nearby sales in KT12 1EN
146 Ireton Avenue, Walton On Thames, KT12 1EN
Sold Sept 2023
£3,505,000141 Ireton Avenue, Walton On Thames, KT12 1EN
Sold Aug 2021
£2,320,000142 Ireton Avenue, Walton On Thames, KT12 1EN
Sold Aug 2014
£2,745,000174 Ireton Avenue, Walton On Thames, KT12 1EN
Sold Oct 2013
£1,950,000137 Ireton Avenue, Walton On Thames, KT12 1EN
Sold Sept 2011
£1,775,000
Everything we know about 143 Ireton Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Ireton Avenue homes
Price per m² for 143 Ireton Avenue runs comfortably ahead of the street norm.
Price per m²
£6,426
Street avg £5,270
Floor Area
263 m²
Street avg 531 m²
Habitable Rooms
9 rooms
Street avg 9 rooms
CO₂ Emissions
12.0 t/year
Street avg 10.7 t/year
Similar properties nearby
1 Ashley Drive
KT12 1JL
1 Grange Court
KT12 1JD
1 Oakfields
KT12 1EG
1 Grange Place
KT12 1HA
1 Hawthorne Lodge, Ashley Road
KT12 1JA
1 Alexandra Close
KT12 1LR
1 Gainsborough Court
KT12 1NH
1 Ashley Rise
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
The Mount — bus stop.
Closest school
0.8 km
Ashley Church of England Primary School. 15 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
48.0dB

Night-time· 23:00 – 07:00
40.0dB