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Get started12 Hailsham Road is a four-bedroom semi-detached house in Worthing (BN11 5PA). It has a recorded floor area of 171 m² (around 1841 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (March 2016) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in February 2015 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Average to Good and lighting went from Average to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from March 2016, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history.
Sale prices here have outpaced Worthing HPI: 12.9% per year against 0% for the wider region. Today's modelled estimate of £707,000 is 23% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£312/sq ft) was about 40.5% above the typical sold price in the postcode. At 171 m² it's 17.1% larger than the typical home in the postcode (146 m² median across 19 EPCs). Most recent transfer: March 2020 at £575,000.
12 Hailsham Road's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 20 Mar 2026
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£707,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.9% per year over 5 years.
£575,000
Growth on file: 12.9% per year over 5 years.
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CO₂ Emissions for 12 Hailsham Road lags the street by a wide margin.
Price per m²
£3,363
Street avg £3,279
Floor Area
171 m²
Street avg 159 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Dover Road — bus stop.

Daytime· 07:00 – 23:00
51.0dB

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Changes detected from historical EPC data
Hot water efficiency improved
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
10 March 2020Most recent
£575,000
+76.9%over 4 years23 June 2015
£325,000
Median price across the last 5 sales in BN11 5PA: £685,000 (2025–2021).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
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Comparable sales, transport, crime, schools and more

CO₂ Emissions
6.9 t/year
Street avg 6.5 t/year
BN11 5EN
Closest school
0.7 km
Elm Grove Primary School, Worthing. 23 schools nearby.
Night-time· 23:00 – 07:00
39.7dB