15 Park Grove is a six-bedroom detached house in Knotty Green, Beaconsfield, Beaconsfield (HP9 2EN). It has a recorded floor area of 360 m² (around 3875 sq ft), construction records dating it to 2003-2006 and council tax band G. The latest certificate (September 2019) shows a C (score 80), near the top of the C band. The recommended improvements would push it to B (score 84).
Sale prices here have outpaced England HPI: 5.1% per year against 0% for the wider region. Today's modelled estimate of £2,118,000 is 22.8% above the 2020 sale price. At 360 m² the property is well over the postcode median (62 m² across 19 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 0 approved, 0 refused. Last sale on file: £1,725,000 in December 2020.
15 Park Grove's carbon output runs well above what efficient homes in the postcode produce.
Extension: Single storey · Side of property
Single storey side garage extension conversion of existing garage to habitable accommodation (amendment to planning permission CH/2015/1661/FA)
Sale price has at least doubled since 2006.
£2,118,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 15 years.
£1,725,000
Growth on file: 5.1% per year over 15 years.
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Detailed analysis
A written breakdown of everything that matters
15 Park Grove outperforms the street on epc rating by a wide margin.
Price per m²
£4,792
Street avg £4,994
Floor Area
360 m²
Street avg 378 m²
Habitable Rooms
11 rooms
Street avg 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
0.3 km

Daytime· 07:00 – 23:00
44.5dB

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Extension: Single storey · Side of property
Single storey side extension (east elevation) and conversion of existing garage to habitable accommodation
Full planning data for 15 Park Grove, Knotty Green, Beaconsfield, HP9 2EN
1 more on this property, plus every nearby application and full decision details, in the report.
17 December 2020Most recent
£1,725,000
+35.3%over 12 years17 December 2008
£1,275,000
+54.5%over 2 years11 January 2006
£825,000
Median price across the last 5 sales in HP9 2EN: £292,000 (2025–2014).
12 Park Grove Knotty Green Beaconsfield
Sold May 2025
22 Park Grove Knotty Green Beaconsfield
Sold Apr 2022
11 Park Grove Knotty Green Beaconsfield
Sold May 2014
8 Park Grove Knotty Green Beaconsfield
Sold May 2014
7 Park Grove Knotty Green Beaconsfield
Sold Mar 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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CO₂ Emissions
7.0 t/year
Street avg 9.2 t/year
HP9 2NU
Alfriston School — bus stop.
Closest school
2.4 km
St Mary and All Saints CofE Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
37.8dB