9 Waterglades is a three-bedroom mid-terrace house in Knotty Green, Beaconsfield, Beaconsfield (HP9 2RR). It has a recorded floor area of 8 m² (around 86 sq ft), construction records dating it to 1983-1990 and council tax band G. At 8 m² this is the smallest unit on EPC record across the building (8–259 m²). The building's EPC ratings span D to B, with this unit at the bottom. Other recorded features include notable views. The latest certificate (April 2021) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2011. Between certificates, hot-water efficiency went from Average to Good, lighting went from Poor to Very Good and main heating went from Average to Good. The recommended improvements would push it to C (score 69).
Sale prices here have outpaced England HPI: 6% per year against 0% for the wider region. Today's modelled estimate of £1,000,000 is 24.5% below the 2021 sale of £1,325,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£15,387/sq ft) was about 3824.8% above the typical sold price in the postcode. At 8 m² it sits well below the postcode median (191 m² across 10 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Last sale on file: £1,325,000 in May 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
9 Waterglades's carbon output is low for the local stock.
No planning applications are recorded against 9 Waterglades, Knotty Green, Beaconsfield, HP9 2RR. The full report also covers planning activity across the surrounding area.
Full planning data for 9 Waterglades, Knotty Green, Beaconsfield, HP9 2RR
Every application and decision on this property and nearby, in full, in the report.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,000,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 7 years.
£1,325,000
Growth on file: 6.0% per year over 7 years.
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9 Waterglades outperforms the street on price per m² by a wide margin.
Price per m²
£165,625
Street avg £4,866
Floor Area
8 m²
Street avg 212 m²
Habitable Rooms
6 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
46.7dB

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Changes detected from historical EPC data
Hot water efficiency improved
More low energy lighting installed
10 May 2021Most recent
£1,325,000
+52.3%over 7 years10 February 2014
£870,000
Median price across the last 5 sales in HP9 2RR: £1,255,000 (2022–2014).
6 Waterglades Knotty Green Beaconsfield
Sold Oct 2022
16 Waterglades Knotty Green Beaconsfield
Sold Dec 2019
8 Waterglades Knotty Green Beaconsfield
Sold Dec 2018
13 Waterglades Knotty Green Beaconsfield
Sold Jun 2017
5 Waterglades Knotty Green Beaconsfield
Sold Apr 2014
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 6 rooms
CO₂ Emissions
1.1 t/year
Street avg 6.0 t/year
HP9 2LZ
Alfriston School — bus stop.
Closest school
2.0 km
St Mary and All Saints CofE Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
38.9dB