14 Waterglades is a three-bedroom semi-detached house in Knotty Green, Beaconsfield, Beaconsfield (HP9 2RR). It has a recorded floor area of 191 m² (around 2056 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (June 2025) shows a C (score 69), just inside the C band. When first surveyed in April 2009 the rating was D, the property has climbed 1 band since. Between certificates, main heating went from Average to Good. At 191 m² this is the 6th smallest of 11 units on EPC record in the building, where floor areas span 8–259 m². The building's EPC ratings span D to B across 11 units on file.
It hasn't traded since October 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced England HPI: 5.1% per year against 0% for the wider region. Today's modelled estimate of £1,085,000 is 26.2% above the 2009 sale price.
14 Waterglades's carbon output runs well above what efficient homes in the postcode produce.
No planning applications are recorded against 14 Waterglades, Knotty Green, Beaconsfield, HP9 2RR. The full report also covers planning activity across the surrounding area.
Full planning data for 14 Waterglades, Knotty Green, Beaconsfield, HP9 2RR
Every application and decision on this property and nearby, in full, in the report.
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£1,085,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 11 years.
£860,000
Growth on file: 5.1% per year over 11 years.
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14 Waterglades is notably below the street on habitable rooms.
Price per m²
£4,503
Street avg £22,768
Floor Area
191 m²
Street avg 193 m²
Habitable Rooms
4 rooms
Street avg 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
12 October 2009Most recent
£860,000
+72.0%over 10 years17 November 1998
£500,000
Median price across the last 5 sales in HP9 2RR: £1,325,000 (2022–2017).
6 Waterglades Knotty Green Beaconsfield
Sold Oct 2022
9 Waterglades Knotty Green Beaconsfield
Sold May 2021
16 Waterglades Knotty Green Beaconsfield
Sold Dec 2019
8 Waterglades Knotty Green Beaconsfield
Sold Dec 2018
13 Waterglades Knotty Green Beaconsfield
Sold Jun 2017
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
6.4 t/year
Street avg 5.4 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