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Get started20 Heene Court Mansions is a mid-terrace house in Worthing (BN11 3NW). It has a recorded floor area of 25 m² (around 269 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (August 2020) shows an E (score 39), well below the UK norm with real room to improve. When first surveyed in January 2013 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor and main heating went from Very Poor to Average; while hot-water efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity. At 25 m² this is the 4th smallest of 23 units on EPC record in the building, where floor areas span 17–161 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 79).
It hasn't traded since October 2005, a hold of 21 years that's notably long for the area. At 25 m² it sits well below the postcode median (69 m² across 22 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £112,000 is 40% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£297/sq ft) was about 15.9% above the typical sold price in the postcode.
Recommended upgrades on file would lift this property by multiple EPC bands.
£112,000
Modelled from EPC, postcode comparables.
£80,000
Recorded with HM Land Registry.
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20 Heene Court Mansions is notably below the street on epc rating.
Price per m²
£3,200
Street avg £3,228
Floor Area
25 m²
Street avg 71 m²
Habitable Rooms
1 rooms
Street avg 3 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Heene Terrace — bus stop.

Daytime· 07:00 – 23:00
50.0dB

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Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Heating controls changed
Hot water system changed
Wall insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
5 October 2005Most recent
£80,000
Median price across the last 5 sales in BN11 3NW: £195,000 (2025–2020).
12 Heene Court Mansions Heene Terrace Worthing
Sold Aug 2025
8 Heene Court Mansions Heene Terrace Worthing
Sold Mar 2023
14a Heene Court Mansions Heene Terrace Worthing
Sold Dec 2022
9a Heene Court Mansions Heene Terrace Worthing
Sold Nov 2020
10a Heene Court Mansions Heene Terrace Worthing
Sold Mar 2018
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

CO₂ Emissions
4.2 t/year
Street avg 3.4 t/year
Closest school
0.8 km
St Mary's Catholic Primary School. 20 schools nearby.
Night-time· 23:00 – 07:00
38.1dB