12 Longview is a three-bedroom end-of-terrace house in Beaconsfield (HP9 1DF). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (August 2024) shows a C (score 71). The recommended improvements would push it to B (score 83). Our model identifies extension potential, subject to local planning policy. The home occupies a corner plot.
Sale prices here have outpaced England HPI: 5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£626/sq ft) was about 64.9% above the typical sold price in the postcode. One planning application is currently pending a decision in 2026. It changed hands recently, sold June 2025 for £600,000. At 89 m² it's 16.8% smaller than the typical home in the postcode (107 m² median across 7 EPCs). Its energy rating outperforms most of the postcode (better than 71% of similar EPCs).
An application for an annexe is currently awaiting a decision.
Extension: Part single, part two storey · Side of property
Demolition of detached garage. Erection of two storey and single storey side extensions to accommodate annexe. Addition of parking space
Sale price has grown by over 3x since 2001.
£618,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 24 years.
£600,000
Growth on file: 5.0% per year over 24 years.
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Price per m² for 12 Longview runs comfortably ahead of the street norm.
Price per m²
£6,742
Street avg £3,841
Floor Area
89 m²
Street avg 104 m²
Habitable Rooms
5 rooms
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Heath Road — bus stop.

Daytime· 07:00 – 23:00
54.9dB

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View improvement recommendations
Unlock the certificate's suggested upgrades and estimated costs in the full report
Full planning data for 12 Longview, Beaconsfield, HP9 1DF
Every application and decision on this property and nearby, in full, in the report.
23 June 2025Most recent
£600,000
+224.3%over 24 years30 March 2001
£185,000
Median price across the last 5 sales in HP9 1DF: £540,000 (2021–2006).
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 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 4.7 t/year
HP9 1GW
Closest school
0.7 km
Holtspur School & Pre-School. 11 schools nearby.
Night-time· 23:00 – 07:00
47.1dB