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Get started23 Ongar Road is a four-bedroom semi-detached house in Addlestone (KT15 1BW). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (September 2025) shows a D (score 57), a step below the typical UK home. When first surveyed in October 2009 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
Held since September 2009 — that's 17 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced England HPI: 12% per year against 0% for the wider region. Today's modelled estimate of £510,000 sits 64.5% above the 2009 sale of £310,000. On a £-per-square-foot basis, the last sale (£294/sq ft) was about 32.9% above the typical sold price in the postcode.
Recommended upgrades on file would lift this property by multiple EPC bands.
Price for 23 Ongar Road has grown more than fourfold since the 1997 starting point.
£510,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.0% per year over 12 years.
£310,000
Growth on file: 12.0% per year over 12 years.
23 Ongar Road outperforms the street on years held by a wide margin.
Price per m²
£3,163
Street avg £3,930
Floor Area
98 m²
Street avg 98 m²
Habitable Rooms
6 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
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
1 September 2009Most recent
£310,000
+24.0%over 3 years16 December 2005
£249,950
+51.5%over 4 years28 September 2001
£165,000
+120.0%over 4 years7 March 1997
£75,000
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 1DB
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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