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Get started15 Boswell Road is a semi-detached house in Thornton Heath (CR7 7RZ). It has a recorded floor area of 139 m² (around 1496 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (February 2026) shows a C (score 71). When first surveyed in February 2010 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Very Good, window efficiency went from Average to Good and lighting went from Poor to Good. The recommended improvements would push it to B (score 88). This certificate was lodged in the last six months, so the rating reflects current condition.
Sale prices here have outpaced England HPI: 8% per year against 0% for the wider region. Today's modelled estimate of £497,000 sits 72.6% above the 2016 sale of £288,000. On a £-per-square-foot basis, the last sale (£192/sq ft) was about 19.3% below the postcode norm. At 139 m² the property is well over the postcode median (100 m² across 19 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 84% of similar EPCs). Last changed hands 10 years ago, in March 2016.
The EPC has just been inspected, so the rating reflects current condition.
Price for 15 Boswell Road has grown more than fourfold since the 1996 starting point.
£497,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.0% per year over 19 years.
£288,000
Growth on file: 8.0% per year over 19 years.
EPC Rating for 15 Boswell Road runs comfortably ahead of the street norm.
Price per m²
£2,072
Street avg £2,937
Floor Area
139 m²
Street avg 111 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Brook Road (CR7) — bus stop.

Daytime· 07:00 – 23:00
51.9dB

Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
Heating controls upgraded for better temperature management
Loft insulation installed or upgraded to 250mm+
High performance glazing installed
Floor insulation added or improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
30 March 2016Most recent
£288,000
-11.4%over 7 years24 September 2008
£325,000
+400.0%over 11 years31 October 1996
£65,000
Median price across the last 5 sales in CR7 7RZ: £430,000 (2024–2019).
Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 5.6 t/year
Closest school
0.5 km
Ecclesbourne Primary School. 61 schools nearby.
Flood risk
Medium
From the Environment Agency.
Night-time· 23:00 – 07:00
41.6dB
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