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Get startedIsobel House is a mid-terrace house in Sunbury On Thames (TW16 7BD). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (February 2026) shows a C (score 75), near the top of the C band. When first surveyed in April 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Average to Good; while wall efficiency dropped from Poor to Very Poor and window efficiency dropped from Poor to Very Poor. This certificate was lodged in the last six months, so the rating reflects current condition. At 63 m² this is the 2nd smallest of 64 units on EPC record in Isobel House, where floor areas span 56–83 m². The building's EPC ratings span F to B across 64 units on file.
Untraded for 22 years, with the last transfer in July 2004. Sale prices here have outpaced England HPI: 17.8% per year against 0% for the wider region. Today's modelled estimate of £229,000 sits 86.9% above the 2004 sale of £122,500.
The EPC has just been inspected, so the rating reflects current condition.
Isobel House has more than doubled in price since the earliest registered sale in 1999.
£229,000
Modelled from EPC, postcode comparables and a sale-price growth of 17.8% per year over 5 years.
£122,500
Growth on file: 17.8% per year over 5 years.
Isobel House is notably below the street on habitable rooms.
Price per m²
£1,944
Street avg £2,184
Floor Area
63 m²
Street avg 70 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Sunbury Cross Shopping Centre — bus stop.

Daytime· 07:00 – 23:00
58.3dB

Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Heating system upgraded to a more efficient system
Hot water system upgraded
Are we missing something? Tell us about home improvements to help adjust your valuation.
9 July 2004Most recent
£122,500
+122.9%over 4 years20 August 1999
£54,950
Median price across the last 5 sales in TW16 7BD: £165,000 (2025–2022).
Isobel House Flat 46 Staines Road West Sunbury On Thames
Sold Apr 2025
Isobel House Flat 12 Staines Road West Sunbury On Thames
Sold Apr 2023
Isobel House Flat 4 Staines Road West Sunbury On Thames
Sold Mar 2023
Isobel House Flat 56 Staines Road West Sunbury On Thames
Sold Sept 2022
Isobel House Flat 65 Staines Road West Sunbury On Thames
Sold Oct 2021
CO₂ Emissions
1.6 t/year
Street avg 2.4 t/year
TW16 7FH
Closest school
0.5 km
Sunbury Manor School. 23 schools nearby.
Night-time· 23:00 – 07:00
49.6dB
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