129a, Flat 2, Clifton Road, Worthing, BN11 4DP
About 129a
129a is a semi-detached house in Worthing (BN11 4DP). It has a recorded floor area of 28 m² (around 301 sq ft) and construction records dating it to 1900-1929. At 28 m² this is the smallest unit on EPC record across 129a (28–62 m²). The building's EPC ratings span E to D, with this unit at the bottom. The latest certificate (October 2020) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since January 2010. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and main heating went from Poor to Average; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to D (score 67). Main heating runs on electricity.
At 28 m² it sits well below the postcode median (59 m² across 52 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs).
Everything you need to know about 129a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system changed
Wall insulation improved
Roof insulation improved
Ventilation system changed
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
129a has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
129a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£152,000
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 4DP: £337,500 (2025–2023).
Nearby sales in BN11 4DP
Versus other Clifton Road homes
On floor area, 129a runs well behind the street norm.
EPC Rating
52 (E)
Street avg 63 (D)
Floor Area
28 m²
Street avg 47 m²
CO₂ Emissions
3.2 t/year
Street avg 2.5 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 129a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Clifton Road — bus stop.
Closest school
0.2 km
Heene CofE Primary School. 23 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
53.2dB
Night-time· 23:00 – 07:00
42.8dB