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Get started21 Cissbury Drive is a two-bedroom detached house in Worthing (BN14 0DT). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (August 2020) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2009. Between certificates, wall efficiency went from Poor to Average, window efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 85), a 2-band jump. Other recorded features include a conservatory and outbuildings.
Sale prices here have outpaced Worthing HPI: 6.9% per year against 0% for the wider region. Today's modelled estimate of £608,000 is 13.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£622/sq ft) was about 103.6% above the typical sold price in the postcode. At 80 m² it sits well below the postcode median (147 m² across 11 EPCs), making it one of the more compact homes locally. 3 planning records sit against the property, 0 approved, 0 refused. Last sale on file: £535,500 in April 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
Extension to roof to create 3 additional bedrooms (1 en-suite) and bathroom. Installation of dormers to both front and rear elevations and extension at ground floor level to create integral garage.
Price for 21 Cissbury Drive has grown more than fourfold since the 2000 starting point.
£608,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 21 years.
£535,500
Growth on file: 6.9% per year over 21 years.
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Detailed AI analysis
Price per m² for 21 Cissbury Drive runs comfortably ahead of the street norm.
Price per m²
£6,694
Street avg £3,664
Floor Area
80 m²
Street avg 133 m²
Habitable Rooms
4 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km

Daytime· 07:00 – 23:00
48.8dB

Changes detected from historical EPC data
Window efficiency improved
Cavity wall insulation installed
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extensions and alterations to existing bungalow to provide a two storey dwelling house and garage
1 more application for this property
Join to see all planning history.
28 April 2021Most recent
£535,500
+114.2%over 11 years23 July 2009
£250,000
+87.3%over 9 years18 May 2000
£133,500
Median price across the last 5 sales in BN14 0DT: £592,000 (2025–2014).
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Every application and decision on record
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Street avg 6 rooms
CO₂ Emissions
3.1 t/year
Street avg 5.7 t/year
BN14 0TE
Cissbury Avenue — bus stop.
Closest school
0.5 km
Vale School, Worthing. 8 schools nearby.
Night-time· 23:00 – 07:00
39.7dB