21 Gurnells Road is a detached house in Seer Green, Beaconsfield, Beaconsfield (HP9 2XJ). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (February 2023) shows a C (score 69), just inside the C band. When first surveyed in December 2013 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to B (score 83).
Sale prices here have outpaced England HPI: 6.2% per year against 0% for the wider region. Today's modelled estimate of £676,000 is 23.9% above the 2022 sale price. Sold February 2022 for £545,760. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2022.
Certificate of Lawfulness for proposed loft conversion with side dormers, front and rear gable windows and alterations to ground floor fenestration
21 Gurnells Road has more than quadrupled in price since its earliest registered sale in 1995.
£676,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 27 years.
£545,760
Growth on file: 6.2% per year over 27 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
21 Gurnells Road is notably below the street on years held.
Price per m²
£4,665
Street avg £5,061
Floor Area
117 m²
Street avg 133 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
0.4 km

Daytime· 07:00 – 23:00
45.4dB

Launch offer
Secure checkout · One-off payment
30-day money-back guarantee

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Full planning data for 21 Gurnells Road, Seer Green, Beaconsfield, HP9 2XJ
Every application and decision on this property and nearby, in full, in the report.
24 February 2022Most recent
£545,760
+6.0%29 October 2021
£515,000
+370.3%over 26 years25 August 1995
£109,500
Median price across the last 5 sales in HP9 2XJ: £675,000 (2025–2021).
10 Gurnells Road Seer Green Beaconsfield
Sold Oct 2025
43 Gurnells Road Seer Green Beaconsfield
Sold May 2025
24a Gurnells Road Seer Green Beaconsfield
Sold May 2023
16 Gurnells Road Seer Green Beaconsfield
Sold Jul 2022
34a Gurnells Road Seer Green Beaconsfield
Sold Sept 2021
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
Ad-free · Secure Stripe checkout · One-off payment
30-day money-back guarantee

CO₂ Emissions
4.3 t/year
Street avg 4.8 t/year
HP9 2TS
Orchard Road — bus stop.
Closest school
0.6 km
Seer Green Church of England School. 8 schools nearby.
Night-time· 23:00 – 07:00
36.6dB