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Get started15 Ongar Road is a two-bedroom semi-detached house in Addlestone (KT15 1BW). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (January 2025) shows an E (score 49), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since April 2010. Between certificates, window efficiency went from Poor to Good and lighting went from Good to Very Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 79), a 2-band jump. Period features are noted in the property record. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 8.4% per year against 0% for the wider region. Today's modelled estimate of £378,000 is 26.8% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£396/sq ft) was about 72.7% above the typical sold price in the postcode. Sold February 2019 for £298,000. Across the public record there are 5 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2024. Past consents include an extension, meaningful when judging how the property has evolved. At 70 m² it's 24.7% smaller than the typical home in the postcode (93 m² median across 17 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
15 Ongar Road has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Single Storey Rear Extension
15 Ongar Road has more than quadrupled in price since its earliest registered sale in 1996.
£378,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.4% per year over 23 years.
£298,000
Growth on file: 8.4% per year over 23 years.
15 Ongar Road is notably below the street on epc rating.
Price per m²
£4,257
Street avg £3,862
Floor Area
70 m²
Street avg 100 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
St Paul's Church — bus stop.

Daytime· 07:00 – 23:00
58.4dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
8 February 2019Most recent
£298,000
+35.5%over 5 years24 June 2013
£220,000
+41.9%over 10 years19 July 2002
£155,000
+24.0%over 2 years30 June 2000
£125,000
+163.2%over 4 years19 April 1996
£47,500
Median price across the last 5 sales in KT15 1BW: £515,000 (2025–2022).
CO₂ Emissions
4.8 t/year
Street avg 4.5 t/year
KT15 1PP
Closest school
0.2 km
Holy Family Catholic Primary School. 22 schools nearby.
Night-time· 23:00 – 07:00
52.4dB
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