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Get started18 Carfax Avenue is a three-bedroom semi-detached house in Tongham, Farnham, Farnham (GU10 1BH). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (April 2023) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to B (score 83), a 2-band jump.
Sale prices here have outpaced England HPI: 4.6% per year against 0% for the wider region. Today's modelled estimate of £493,000 is 12.7% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£419/sq ft) was about 74.4% above the typical sold price in the postcode. One planning record on file: an extension approved in 2025. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Most recent transfer: August 2023 at £437,500.
Recommended upgrades on file would lift this property by multiple EPC bands.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Side of property
Sale price has at least doubled since 2000.
£493,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 23 years.
£437,500
Growth on file: 4.6% per year over 23 years.
Years Held for 18 Carfax Avenue lags the street by a wide margin.
Price per m²
£4,510
Street avg £3,712
Floor Area
97 m²
Street avg 100 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Elm Lane — bus stop.

Daytime· 07:00 – 23:00
55.0dB

Proposed two storey side extension following demolition of detached garage.
4 August 2023Most recent
£437,500
+182.3%over 23 years17 April 2000
£155,000
Median price across the last 5 sales in GU10 1BH: £490,000 (2025–2020).
CO₂ Emissions
4.9 t/year
Street avg 4.2 t/year
GU10 1EJ
Closest school
0.2 km
Ash Manor School. 16 schools nearby.
Night-time· 23:00 – 07:00
46.0dB
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