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Get started11 Southbourne Gardens is a four-bedroom semi-detached house in Westcliff On Sea (SS0 0AG). It has a recorded floor area of 144 m² (around 1550 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (January 2025) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in August 2013 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 83), a 2-band jump. Other recorded features include a conservatory. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 13.6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£348/sq ft) was about 71% above the typical sold price in the postcode. Most recent transfer was June 2025 at £540,000 — fresh data. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, partial demolition and a loft conversion, meaningful when judging how the property has evolved.
Recommended upgrades on file would lift this property by multiple EPC bands.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
11 Southbourne Gardens has more than quadrupled in price since its earliest registered sale in 1999.
£546,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.6% per year over 25 years.
£540,000
Growth on file: 13.6% per year over 25 years.
EPC Rating for 11 Southbourne Gardens runs comfortably ahead of the street norm.
Price per m²
£3,750
Street avg £2,854
Floor Area
144 m²
Street avg 122 m²
Habitable Rooms
6 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
50.9dB

Changes detected from historical EPC data
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Side and rear of property
Demolish existing conservatory and garage, erect single storey rear and side extension
Hip to gable roof extension, dormer to rear with juliet balcony to form habitable accommodation in roofspace, rooflights to front and rear (Lawful Development Certificate-Proposed)
17 June 2025Most recent
£540,000
+74.2%over 11 years14 February 2014
£310,000
+40.9%over 10 years13 November 2003
£220,000
+947.6%over 3 years20 December 1999
£21,000
Median price across the last 5 sales in SS0 0AG: £470,000 (2025–2015).
Street avg 5 rooms
CO₂ Emissions
5.0 t/year
Street avg 6.5 t/year
SS0 0SL
Bridgwater Drive — bus stop.
Closest school
0.5 km
St Thomas More High School. 28 schools nearby.
Night-time· 23:00 – 07:00
42.0dB
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