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Get started10a Heene Court Mansions is a one-bedroom mid-terrace house in Worthing (BN11 3NW). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to before 1900 and council tax band A. At 47 m² this is the 7th 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. The latest certificate (May 2021) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (May 2011); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and hot-water efficiency went from Very Poor to Poor; while lighting dropped from Very Good to Good. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity.
Sale prices here have outpaced Worthing HPI: 2.2% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£380/sq ft) was about 48.2% above the typical sold price in the postcode. At 47 m² it sits well below the postcode median (69 m² across 22 EPCs), making it one of the more compact homes locally. 8 years since the last transfer (March 2018).
Recommended upgrades on file would lift this property by multiple EPC bands.
10a Heene Court Mansions valuation sits well clear of the typical sold price in this postcode.
£200,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.2% per year over 11 years.
£192,000
Growth on file: 2.2% per year over 11 years.
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On years held, 10a Heene Court Mansions runs well behind the street norm.
Price per m²
£4,085
Street avg £3,184
Floor Area
47 m²
Street avg 70 m²
Habitable Rooms
2 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
Hot water system changed
Wall insulation improved
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19 March 2018Most recent
£192,000
+23.9%over 5 years4 April 2012
£155,000
+1.3%over 4 years25 July 2007
£153,000
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
1 Heene Court Mansions Heene Terrace Worthing
Sold Dec 2017
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
3.3 t/year
Street avg 3.4 t/year
BN11 3LS
Closest school
0.8 km
St Mary's Catholic Primary School. 20 schools nearby.
Night-time· 23:00 – 07:00
38.1dB