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Get started21a is a semi-detached house in Worthing (BN11 4BH). It has a recorded floor area of 36 m² (around 388 sq ft) and construction records dating it to 2024. The latest certificate (April 2025) shows a C (score 78), near the top of the C band. When first surveyed in July 2010 the rating was G, the property has climbed 4 bands since. Between certificates, wall efficiency went from Poor to Good, window efficiency went from Very Poor to Very Good and hot-water efficiency went from Average to Very Good. At 36 m² this is the 13th smallest of 56 units on EPC record in the building, where floor areas span 11–185 m². The building's EPC ratings span G to B across 56 units on file.
Today's modelled estimate of £198,000 is 45.8% below the 2019 sale of £365,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£942/sq ft) was about 385.4% above the typical sold price in the postcode. At 36 m² it sits well below the postcode median (67 m² across 55 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). Last sale on file: £365,000 in December 2019.
21a's carbon output is low for the local stock.
21a valuation sits well clear of the typical sold price in this postcode.
£198,000
Modelled from EPC, postcode comparables.
£365,000
Recorded with HM Land Registry.
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EPC Rating for 21a runs comfortably ahead of the street norm.
Price per m²
£10,139
Street avg £3,569
Floor Area
36 m²
Street avg 53 m²
CO₂ Emissions
1.0 t/year
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Thorn Road — bus stop.

Daytime· 07:00 – 23:00
51.8dB

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Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Ventilation system changed
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
High performance glazing installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
3 December 2019Most recent
£365,000
Median price across the last 5 sales in BN11 4BH: £230,000 (2024–2024).
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Every application and decision on record
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Comparable sales, transport, crime, schools and more

Street avg 2.3 t/year
Years Held
6 years
Street avg 12 years
Closest school
0.5 km
St Mary's Catholic Primary School. 20 schools nearby.
Night-time· 23:00 – 07:00
40.3dB