14a, Basement Flat, Heene Terrace, Worthing, BN11 3NR
About 14a
14a is an end-of-terrace house in Worthing (BN11 3NR). It has a recorded floor area of 31 m² (around 334 sq ft) and construction records dating it to before 1900. At 31 m² this is the smallest unit on EPC record across the building (31–115 m²). The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (32 versus a best of 73). The latest certificate (June 2023) shows an F (score 32), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 71), a 3-band jump. Main heating runs on electricity.
At 31 m² it sits well below the postcode median (87 m² across 54 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Everything you need to know about 14a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
14a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
14a has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
14a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£138,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in BN11 3NR: £405,000 (2025–2023).
Nearby sales in BN11 3NR
Flat 1, 15 Heene Terrace, Worthing, BN11 3NR
Sold Mar 2025
£405,000Flat 2, 17 Heene Terrace, Worthing, BN11 3NR
Sold Dec 2023
£300,000Flat 3, 10 Heene Terrace, Worthing, BN11 3NR
Sold Nov 2023
£580,00017a, Basement Flat, Heene Terrace, Worthing, BN11 3NR
Sold Mar 2023
£272,500Flat 1, 16 Heene Terrace, Worthing, BN11 3NR
Sold Jan 2023
£455,000
Versus other Heene Terrace homes
EPC Rating for 14a lags the street by a wide margin.
EPC Rating
32 (F)
Street avg 63 (D)
Floor Area
31 m²
Street avg 77 m²
CO₂ Emissions
5.3 t/year
Street avg 3.4 t/year
Habitable Rooms
1 rooms
Street avg 3 rooms
Everything you need to know about 14a
The true value, the hidden risks and the full sale history, in one report.
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One time fee only - money back guarantee

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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Heene Terrace — bus stop.
Closest school
0.8 km
St Mary's Catholic Primary School. 20 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
49.8dB

Night-time· 23:00 – 07:00
38.0dB






