14 Red House Close is a three-bedroom detached house in Knotty Green, Beaconsfield, Beaconsfield (HP9 1XU). It has a recorded floor area of 345 m² (around 3714 sq ft), construction records dating it to 1976-1982 and council tax band H. The latest certificate (March 2013) shows a C (score 78), near the top of the C band. When first surveyed in March 2010 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Good to Very Good, roof efficiency went from Good to Very Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Good to Average. Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from March 2013, so improvements made since then won't be reflected.
It hasn't traded since October 2010, a hold of 16 years that's notably long for the area. At 345 m² the property is well over the postcode median (162 m² across 6 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). Today's modelled estimate of £2,528,000 sits 199.2% above the 2010 sale of £845,000. On a £-per-square-foot basis, the last sale (£228/sq ft) was about 46.2% below the postcode norm. 3 planning records sit against the property, 0 approved, 1 refused.
14 Red House Close's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 26 Mar 2023
Erection of replacement detached dwelling
14 Red House Close valuation sits well clear of the typical sold price in this postcode.
£2,528,000
Modelled from EPC, postcode comparables.
£845,000
Recorded with HM Land Registry.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
Price per m² for 14 Red House Close lags the street by a wide margin.
Price per m²
£2,449
Street avg £6,172
Floor Area
345 m²
Street avg 187 m²
CO₂ Emissions
5.8 t/year
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
0.3 km

Daytime· 07:00 – 23:00
45.8dB

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Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system changed
Window efficiency improved
Wall insulation improved
Roof insulation improved
Floor insulation added or improved
Extension: Single storey
Single storey front and rear extensions and replacement roof with front and rear dormer windows
Full planning data for 14 Red House Close, Knotty Green, Beaconsfield, HP9 1XU
1 more on this property, plus every nearby application and full decision details, in the report.
29 October 2010Most recent
£845,000
Median price across the last 5 sales in HP9 1XU: £1,055,000 (2024–2015).
10 Red House Close Knotty Green Beaconsfield
Sold Jul 2024
12 Red House Close Knotty Green Beaconsfield
Sold Jan 2021
4 Red House Close Knotty Green Beaconsfield
Sold Nov 2020
2 Red House Close Knotty Green Beaconsfield
Sold Jan 2017
6 Red House Close Knotty Green Beaconsfield
Sold Dec 2015
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 6.3 t/year
Years Held
16 years
Street avg 8 years
HP9 1GW
Village Centre — bus stop.
Closest school
1.6 km
Holtspur School & Pre-School. 6 schools nearby.
Night-time· 23:00 – 07:00
37.1dB