12 Park Grove is a detached house in Knotty Green, Beaconsfield, Beaconsfield (HP9 2EN). It has a recorded floor area of 252 m² (around 2713 sq ft), construction records dating it to 2003-2006 and council tax band G. The latest certificate (August 2022) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since August 2009. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 83).
Sale prices here have outpaced England HPI: 2.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£636/sq ft) was about 62.2% above the typical sold price in the postcode. At 252 m² the property is well over the postcode median (62 m² across 19 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold May 2025 for £1,725,000.
No planning applications are recorded against 12 Park Grove, Knotty Green, Beaconsfield, HP9 2EN. The full report also covers planning activity across the surrounding area.
Full planning data for 12 Park Grove, Knotty Green, Beaconsfield, HP9 2EN
Every application and decision on this property and nearby, in full, in the report.
12 Park Grove valuation sits well clear of the typical sold price in this postcode.
£1,852,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 17 years.
£1,725,000
Growth on file: 2.7% per year over 17 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
On price per m², 12 Park Grove stands well clear of the street.
Price per m²
£6,845
Street avg £4,583
Floor Area
252 m²
Street avg 400 m²
Habitable Rooms
9 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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Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Floor insulation added or improved
More low energy lighting installed
30 May 2025Most recent
£1,725,000
+60.5%over 17 years20 December 2007
£1,075,000
Median price across the last 5 sales in HP9 2EN: £292,000 (2022–2014).
22 Park Grove Knotty Green Beaconsfield
Sold Apr 2022
15 Park Grove Knotty Green Beaconsfield
Sold Dec 2020
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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Street avg 10 rooms
CO₂ Emissions
5.5 t/year
Street avg 9.5 t/year
HP9 2BT
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