25 Ashley Park Avenue, Walton On Thames, KT12 1ER
About 25 Ashley Park Avenue
25 Ashley Park Avenue is a four-bedroom detached house in Walton On Thames (KT12 1ER). It has a recorded floor area of 216 m² (around 2325 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (April 2024) shows an E (score 52), 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. The home occupies a corner plot.
7 planning records sit against the property, 2 approved, 4 refused, 1 pending. Past consents include an extension, a porch, partial demolition and tree works, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. At 216 m² it sits well below the postcode median (339 m² across 8 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. It changed hands recently, sold February 2025 for £1,675,000. On a £-per-square-foot basis, the last sale (£720/sq ft) was about 45.1% above the typical sold price in the postcode.
Know exactly what you're buying at 25 Ashley Park 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
- Open-plan layoutYes
- EnsuiteYes
Outside
- Corner plotYes
Building
- Extension potentialPossible
Energy performance
25 Ashley Park Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
A tree works application was refused at 25 Ashley Park Avenue in 2026.
- Jan 2026ExtensionFullIn report
Removal of existing conservatory, single storey rear and side extension, and single storey garage, construction of new single storey rear extension and two storey side extension with integral garage, removal of two chimney stacks; alteration and rebuilding of existing pitched roof with raised eaves level and shallower roof pitch, removal of existing metal framed windows, reconfiguration of window openings and installation of new metal framed windows, construction of new walls at ground floor main entrance to infill space below projecting part of first floor, installation of new entrance door and fixed glazing, installation of new projecting portico at main entrance, removal of existing first floor tile hanging and installation of new external wall insulation and new render finish to existing uninsulated masonry walls, installation of new rain water and drainage goods. Conversion of loft space to add two bedrooms and one bathroom at second floor level, addition of two dormer windows to rear facing roof slope, addition of two velux roof lights to side facing roof slopes and addition of frameless flat roof light to crown of roof.
- Documents
- 18 docs on file
- Reference
- 2026/0156
- Feb 2026Tree WorksTreesIn report
EL:15/08 - T1 Oak - whole crown reduction by 3 meters, crown lift to 5 meters. Low crown heavily overhanging driveway and encroaching on house and roof as well as long overextended branches. Left side of crown over neighbouring driveway has been previously reduced leaving tree unbalanced.
- Documents
- 5 docs on file
- Reference
- 2025/3327
We flagged 2 things worth checking at 25 Ashley Park 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
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
£1,738,000
Modelled from EPC, postcode comparables.
£1,675,000
Recorded with HM Land Registry.
Sales timeline
3 February 2025Most recent
£1,675,000
Median price across the last 5 sales in KT12 1ER: £2,655,000 (2021–2015).
Nearby sales in KT12 1ER
32 Ashley Park Avenue, Walton On Thames, KT12 1ER
Sold Jun 2021
£2,800,00029 Ashley Park Avenue, Walton On Thames, KT12 1ER
Sold Aug 2020
£2,655,00026 Ashley Park Avenue, Walton On Thames, KT12 1ER
Sold Jun 2020
£2,700,00031 Ashley Park Avenue, Walton On Thames, KT12 1ER
Sold Aug 2017
£1,885,00028 Ashley Park Avenue, Walton On Thames, KT12 1ER
Sold Oct 2015
£1,672,000
Everything we know about 25 Ashley Park 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
- A planning decision worth checking
Versus other Ashley Park Avenue homes
Price per m² for 25 Ashley Park Avenue runs comfortably ahead of the street norm.
Price per m²
£7,755
Street avg £5,823
Floor Area
216 m²
Street avg 336 m²
Habitable Rooms
6 rooms
Street avg 9 rooms
CO₂ Emissions
10.0 t/year
Street avg 6.3 t/year
Similar properties nearby
1 Ashley Drive
KT12 1JL
1 Oakfields
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1 Grange Court
KT12 1JD
1 Grange Place
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1 Hawthorne Lodge, Ashley Road
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1 Alexandra Close
KT12 1LR
1 Gainsborough Court
KT12 1NH
1 Ashley Rise
KT12 1NE
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Ashley C of E Primary School — bus stop.
Closest school
0.3 km
Ashley Church of England Primary School. 16 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
50.3dB
Night-time· 23:00 – 07:00
42.5dB