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Get started12 Berkeley Square is a two-bedroom end-of-terrace house in Worthing (BN11 5AF). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1967-1975 and council tax band C. Tenure is freehold. The latest certificate (July 2022) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in March 2021 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Very Poor to Good and lighting went from Good to Very Good. The recommended improvements would push it to C (score 77). At 73 m² this is the 7th smallest of 27 units on EPC record in the building, where floor areas span 54–94 m². The building's EPC ratings span E to C across 27 units on file. Other recorded features include notable views.
Sale prices here have outpaced Worthing HPI: 5.9% per year against 0% for the wider region. Today's modelled estimate of £294,000 is 17.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£318/sq ft) was about 30.8% above the typical sold price in the postcode. Sold September 2021 for £250,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
12 Berkeley Square has more than tripled in price since its earliest registered sale in 1999.
£294,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 22 years.
£250,000
Growth on file: 5.9% per year over 22 years.
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Floor Area for 12 Berkeley Square runs comfortably ahead of the street norm.
Price per m²
£3,425
Street avg £2,940
Floor Area
73 m²
Street avg 64 m²
Habitable Rooms
3 rooms
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
Grand Avenue Dental Surgery — bus stop.

Daytime· 07:00 – 23:00
51.1dB

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Changes detected from historical EPC data
Upgraded to gas central heating
Switched from oil to mains gas, reducing emissions and costs
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
21 September 2021Most recent
£250,000
+257.1%over 22 years3 September 1999
£70,000
Median price across the last 5 sales in BN11 5AF: £317,500 (2025–2023).
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

Street avg 3 rooms
CO₂ Emissions
3.0 t/year
Street avg 3.0 t/year
BN11 5PQ
Closest school
0.7 km
Elm Grove Primary School, Worthing. 24 schools nearby.
Night-time· 23:00 – 07:00
39.9dB