15 Waterglades is a three-bedroom mid-terrace house in Knotty Green, Beaconsfield, Beaconsfield (HP9 2RR). It has a recorded floor area of 233 m² (around 2508 sq ft), construction records dating it to 2003-2006 and council tax band H. The latest certificate (September 2025) returns a B (score 83), comfortably above the UK average. When first surveyed in May 2009 the rating was D, the property has climbed 2 bands since. Between certificates, lighting went from Very Poor to Poor and main heating went from Average to Good; while window efficiency dropped from Average to Poor. At 233 m² this is the 8th 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, with this unit at the top. On EPC score it ranks first in the building (83 versus a worst of 62). Other recorded features include a balcony.
It hasn't traded since June 2010, a hold of 16 years that's notably long for the area. Sale prices here have outpaced England HPI: 6.8% per year against 0% for the wider region. Today's modelled estimate of £1,493,000 sits 53.1% above the 2010 sale of £975,000. At 233 m² it's 22.3% larger than the typical home in the postcode (191 m² median across 10 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode.
15 Waterglades ranks among the most efficient homes in the postcode for energy use.
No planning applications are recorded against 15 Waterglades, Knotty Green, Beaconsfield, HP9 2RR. The full report also covers planning activity across the surrounding area.
Full planning data for 15 Waterglades, Knotty Green, Beaconsfield, HP9 2RR
Every application and decision on this property and nearby, in full, in the report.
Sale price has at least doubled since 1995.
£1,493,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 15 years.
£975,000
Growth on file: 6.8% per year over 15 years.
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EPC Rating for 15 Waterglades runs comfortably ahead of the street norm.
Price per m²
£4,185
Street avg £22,803
Floor Area
233 m²
Street avg 189 m²
Habitable Rooms
7 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 system changed
Hot water system upgraded
Loft insulation upgraded to recommended levels
More low energy lighting installed
15 June 2010Most recent
£975,000
+167.1%over 14 years4 August 1995
£365,000
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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Street avg 6 rooms
CO₂ Emissions
3.4 t/year
Street avg 5.7 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