9 Assheton Road is a five-bedroom detached house in Beaconsfield (HP9 2NP). It has a recorded floor area of 368 m² (around 3961 sq ft) and construction records dating it to 1900-1929. The latest certificate (January 2023) shows a C (score 76), near the top of the C band. When first surveyed in March 2016 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Very Good, window efficiency went from Poor to Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 83).
Sale prices here have outpaced England HPI: 5.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£644/sq ft) was about 58.6% above the typical sold price in the postcode. At 368 m² the property is well over the postcode median (260 m² across 17 EPCs), placing it in the larger end of the local stock. 5 planning records sit against the property, 0 approved, 0 refused. Sold May 2023 for £2,550,000.
9 Assheton Road's carbon output runs well above what efficient homes in the postcode produce.
Extension: Rear of property
Part two storey, part single storey rear extension, new stepped flat roof to the existing garage, changes to doors and windows, minor amendment to front boundary wall to allow for dual access, changes to drive and rear hard landscaping
9 Assheton Road valuation sits well clear of the typical sold price in this postcode.
£2,775,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 7 years.
£2,550,000
Growth on file: 5.7% per year over 7 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
9 Assheton Road is notably below the street on co₂ emissions.
Price per m²
£6,929
Street avg £5,389
Floor Area
368 m²
Street avg 325 m²
Habitable Rooms
9 rooms
Street avg 8 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Wilton Road — bus stop.

Daytime· 07:00 – 23:00
47.2dB

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Changes detected from historical EPC data
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
More low energy lighting installed
Non Material Amendment to planning permission 18/00846/FUL (Two storey side and rear extensions. Two storey extension to garage, bay window to rear elevation, dormer windows and roof light to roof and changes to fenestration.) to allow for: Extend first floor rear extension and omit the development of the second floor. Omit the dormer and rooflights. Changes to windows and doors. Changes to driveway. Dwarf wall and footpath removed to allow for new vehicular access
Full planning data for 9 Assheton Road, Beaconsfield, HP9 2NP
3 more on this property, plus every nearby application and full decision details, in the report.
9 May 2023Most recent
£2,550,000
+45.7%over 6 years5 August 2016
£1,750,000
Median price across the last 5 sales in HP9 2NP: £2,200,000 (2025–2021).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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CO₂ Emissions
8.9 t/year
Street avg 6.9 t/year
HP9 2NU
Closest school
0.8 km
St Mary and All Saints CofE Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
38.2dB