121a, Flat 1, Clifton Road, Worthing, BN11 4DP
About 121a
121a is a mid-terrace house in Worthing (BN11 4DP). It has a recorded floor area of 56 m² (around 603 sq ft) and construction records dating it to before 1900. At 56 m² this is the largest unit on EPC record across 121a (22–56 m²). On EPC score it ranks last in the building (72 versus a best of 76). The latest certificate (August 2023) shows a C (score 72). The rating has held steady at C across 3 certificates since August 2009. Between certificates, wall efficiency dropped from Good to Poor.
Its energy rating outperforms most of the postcode (better than 79% of similar EPCs).
Energy performance
EPC Rating
Certificate validity
Valid until 30 August 2033
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Window efficiency improved
Wall insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
121a 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
121a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£179,000
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
Floor Area for 121a runs comfortably ahead of the street norm.
EPC Rating
72 (C)
Street avg 62 (D)
Floor Area
56 m²
Street avg 46 m²
CO₂ Emissions
1.9 t/year
Street avg 2.6 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
327/mo
Rising 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







