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Get started4 Chiltern Avenue is a three-bedroom semi-detached house in High Wycombe (HP12 3UR). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (October 2024) shows an E (score 46), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2014. Between certificates, wall efficiency went from Very Poor to Average and lighting went from Good to Very Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 5.3% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£441/sq ft) was about 160.9% above the typical sold price in the postcode. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. It changed hands recently, sold December 2024 for £380,000.
4 Chiltern Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Latest sale on 4 Chiltern Avenue was the highest on Land Registry record across the postcode.
£404,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 22 years.
£380,000
Growth on file: 5.3% per year over 22 years.
4 Chiltern Avenue outperforms the street on price per m² by a wide margin.
Price per m²
£4,750
Street avg £1,602
Floor Area
80 m²
Street avg 110 m²
Habitable Rooms
5 rooms
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Rutland Avenue Shops — bus stop.

Daytime· 07:00 – 23:00
50.7dB

Changes detected from historical EPC data
Hot water efficiency decreased
Cavity wall insulation installed
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
20 December 2024Most recent
£380,000
+216.7%over 22 years27 June 2002
£120,000
Median price across the last 5 sales in HP12 3UR: £229,000 (2024–2018).
Street avg 6 rooms
CO₂ Emissions
5.9 t/year
Street avg 4.6 t/year
HP12 3HL
Closest school
0.4 km
Castlefield School. 16 schools nearby.
Night-time· 23:00 – 07:00
40.0dB
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