26a is a detached house in Knotty Green, Beaconsfield, Beaconsfield (HP9 2TU). It has a recorded floor area of 210 m² (around 2260 sq ft), construction records dating it to 1991-1995 and council tax band G. The latest certificate (April 2015) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78). The latest certificate is from April 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 6.6% per year against 0% for the wider region. Today's modelled estimate of £1,336,000 is 22.8% below the 2022 sale of £1,730,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£765/sq ft) was about 71.6% above the typical sold price in the postcode. At 210 m² it sits well below the postcode median (321 m² across 25 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Sold November 2022 for £1,730,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
26a's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 16 Apr 2025
26a has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Single storey rear extension
26a has more than quadrupled in price since its earliest registered sale in 1995.
£1,336,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 27 years.
£1,730,000
Growth on file: 6.6% per year over 27 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
26a outperforms the street on price per m² by a wide margin.
Price per m²
£8,238
Street avg £5,032
Floor Area
210 m²
Street avg 318 m²
Habitable Rooms
10 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km

Daytime· 07:00 – 23:00
46.8dB

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Extension: Single storey · Rear of property
Single storey rear extension 5.95 metres beyond the existing rear wall of original dwelling
Full planning data for 26a, Woodchester Park, Knotty Green, Beaconsfield, HP9 2TU
Every application and decision on this property and nearby, in full, in the report.
8 November 2022Most recent
£1,730,000
+46.6%over 6 years28 January 2016
£1,180,000
+38.0%over 8 years12 July 2007
£855,000
+108.0%over 8 years30 November 1998
£411,000
+31.9%over 3 years30 November 1995
£311,500
Median price across the last 5 sales in HP9 2TU: £2,040,000 (2024–2022).
24 Woodchester Park Knotty Green Beaconsfield
Sold Jul 2024
27 Woodchester Park Knotty Green Beaconsfield
Sold Dec 2023
11 Woodchester Park Knotty Green Beaconsfield
Sold Aug 2022
15 Woodchester Park Knotty Green Beaconsfield
Sold Jul 2022
13 Woodchester Park Knotty Green Beaconsfield
Sold May 2022
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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Street avg 9 rooms
CO₂ Emissions
8.6 t/year
Street avg 7.1 t/year
HP9 2EG
The Red Lion PH — bus stop.
Closest school
1.9 km
St Mary and All Saints CofE Primary School. 5 schools nearby.
Night-time· 23:00 – 07:00
38.7dB