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Get started12 Cornwall Avenue is a four-bedroom mid-terrace house in Byfleet, West Byfleet, West Byfleet (KT14 7EX). It has a recorded floor area of 101 m² (around 1089 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (September 2010) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 74). The latest certificate is from September 2010, so improvements made since then won't be reflected.
Held since February 2011 — that's 15 years off the open market, well above the local norm. Sale prices here have outpaced England HPI: 8.7% per year against 0% for the wider region. Today's modelled estimate of £418,000 sits 56.3% above the 2011 sale of £267,500. One planning record on file: an extension approved in 2017. Past consents include an extension, meaningful when judging how the property has evolved.
12 Cornwall Avenue's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 28 Sept 2020
12 Cornwall Avenue has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Proposed single storey rear extension
Sale price has at least doubled since 1999.
£418,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.7% per year over 11 years.
£267,500
Growth on file: 8.7% per year over 11 years.
Habitable Rooms for 12 Cornwall Avenue runs comfortably ahead of the street norm.
Price per m²
£2,643
Street avg £3,541
Floor Area
101 m²
Street avg 89 m²
Habitable Rooms
6 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Black Prince Close — bus stop.

Daytime· 07:00 – 23:00
56.0dB

17 February 2011Most recent
£267,500
+153.6%over 11 years17 December 1999
£105,500
Median price across the last 5 sales in KT14 7EX: £392,000 (2025–2018).
Street avg 5 rooms
CO₂ Emissions
4.1 t/year
Street avg 3.6 t/year
KT14 7AW
Closest school
0.4 km
St Mary's CofE Controlled Primary School, Byfleet. 7 schools nearby.
Night-time· 23:00 – 07:00
50.1dB
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