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Get started21 Chadwick Road is a four-bedroom detached house in Westcliff On Sea (SS0 8LS). It has a recorded floor area of 221 m² (around 2379 sq ft), construction records dating it to 1930-1949 and council tax band G. There is a swimming pool on the plot, uncommon for the area. The latest certificate (March 2025) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in July 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average, window efficiency went from Poor to Good and lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 78).
Sale prices here have outpaced England HPI: 8.3% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£500/sq ft) was about 104.6% above the typical sold price in the postcode. At 221 m² the property is well over the postcode median (145 m² across 21 EPCs), placing it in the larger end of the local stock. A recent sale: £1,190,000 in June 2025. One planning record on file: an extension approved in 2014. Past consents include an extension, meaningful when judging how the property has evolved.
21 Chadwick Road's carbon output runs well above what efficient homes in the postcode produce.
21 Chadwick Road has an approved single-storey side extension on the planning record.
Extension: Single storey · Side of property
Erect single storey side extension
21 Chadwick Road has more than quadrupled in price since its earliest registered sale in 1996.
£1,222,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.3% per year over 29 years.
£1,190,000
Growth on file: 8.3% per year over 29 years.
21 Chadwick Road is notably below the street on habitable rooms.
Price per m²
£5,385
Street avg £4,227
Floor Area
221 m²
Street avg 236 m²
Habitable Rooms
6 rooms
Street avg 8 rooms
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Galton Road — bus stop.

Daytime· 07:00 – 23:00
50.9dB

Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
Roof insulation improved
Low energy lighting percentage decreased
More low energy lighting installed
Solar PV panels (13 kWp) installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
12 June 2025Most recent
£1,190,000
+138.0%over 15 years16 December 2009
£499,995
+300.0%over 12 years28 February 1997
£125,000
+5.0%over 7 months6 August 1996
£119,000
Median price across the last 5 sales in SS0 8LS: £970,000 (2025–2022).
CO₂ Emissions
8.1 t/year
Street avg 12.3 t/year
SS0 8PJ
Closest school
0.8 km
Chalkwell Hall Infant School. 26 schools nearby.
Night-time· 23:00 – 07:00
41.7dB
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