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Get startedByfield is a detached house in Downley, High Wycombe, High Wycombe (HP13 5TR). It has a recorded floor area of 99 m² (around 1062 sq ft) and construction records dating it to 1930-1949. The latest certificate (June 2009) shows an E (score 39), well below the UK norm with real room to improve. The latest certificate is from June 2009, so improvements made since then won't be reflected.
Held since November 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced England HPI: 6.9% per year against 0% for the wider region. Today's modelled estimate of £485,000 sits 70.2% above the 2009 sale of £285,000. On a £-per-square-foot basis, the last sale (£268/sq ft) was about 16.4% below the postcode norm. At 99 m² it's 26.5% larger than the typical home in the postcode (78 m² median across 58 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 4 planning records sit against the property, 2 approved, 2 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
Byfield sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
This certificate is over 10 years old and is no longer valid.Expired 11 Jun 2019
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Extension: Two storey · Side of property
Householder application for construction of two storey side extension and alterations to existing access and parking to include new access onto Plomer Green Lane (alternative scheme to pp 07/07443/FUL)
Sale price has at least doubled since 1997.
£485,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 12 years.
£285,000
Growth on file: 6.9% per year over 12 years.
EPC Rating for Byfield lags the street by a wide margin.
Price per m²
£2,890
Street avg £4,118
Floor Area
99 m²
Street avg 89 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km

Daytime· 07:00 – 23:00
46.0dB

Extension: Two storey · Side and rear of property
Construction of two storey side extension and single storey rear extension and conservatory
2 more applications for this property
Join to see all planning history.
13 November 2009Most recent
£285,000
+128.0%over 12 years31 July 1997
£125,000
Median price across the last 5 sales in HP13 5TR: £425,000 (2025–2023).
CO₂ Emissions
6.4 t/year
Street avg 2.5 t/year
HP13 5EU
Memorial Hall — bus stop.
Closest school
0.4 km
The Downley School. 11 schools nearby.
Night-time· 23:00 – 07:00
36.7dB
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