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Get started17 Porlock Avenue is a three-bedroom semi-detached house in Westcliff On Sea (SS0 0EA). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (February 2019) shows a C (score 69), just inside the C band. When first surveyed in May 2018 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and hot-water efficiency went from Average to Good. The recommended improvements would push it to B (score 89).
Sale prices here have outpaced England HPI: 19.8% per year against 0% for the wider region. Today's modelled estimate of £401,000 is 14.6% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£561/sq ft) was about 131.7% above the typical sold price in the postcode. At 58 m² it sits well below the postcode median (94 m² across 17 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. Last sale on file: £350,000 in October 2019.
17 Porlock Avenue ranks among the most efficient homes in the postcode for energy use.
17 Porlock Avenue changed hands twice within eighteen months — unusual for the area.
£401,000
Modelled from EPC, postcode comparables and a sale-price growth of 19.8% per year over 1 year.
£350,000
Growth on file: 19.8% per year over 1 year.
Price per m² for 17 Porlock Avenue runs comfortably ahead of the street norm.
Price per m²
£6,034
Street avg £3,620
Floor Area
58 m²
Street avg 93 m²
Habitable Rooms
4 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
0.2 km

Daytime· 07:00 – 23:00
53.2dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
18 October 2019Most recent
£350,000
+27.3%over 1 year18 June 2018
£275,000
Median price across the last 5 sales in SS0 0EA: £375,000 (2025–2023).
Street avg 4 rooms
CO₂ Emissions
2.3 t/year
Street avg 4.8 t/year
SS0 0EL
Dulverton Avenue — bus stop.
Closest school
0.6 km
St Thomas More High School. 26 schools nearby.
Night-time· 23:00 – 07:00
44.7dB
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