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Get started1 Cissbury Avenue is a five-bedroom detached house in Worthing (BN14 0DN). It has a recorded floor area of 175 m² (around 1884 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (February 2020) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). Other recorded features include a conservatory. Records show the property has been extended at some point in its history.
At 175 m² the property is well over the postcode median (110 m² across 7 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £699,000 is 34.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£276/sq ft) was about 25.8% above the typical sold price in the postcode. Sold July 2020 for £520,000.
1 Cissbury Avenue's carbon output runs well above what efficient homes in the postcode produce.
1 Cissbury Avenue has 2 separate extension applications on the council record.
Extension: Single storey
Proposed first floor extension to north (rear) elevation, with 1no. high level clear glazed first floor window to existing west elevation and enlarged clear glazed first floor window to existing east elevation. Application to Vary Condition 4 of previously approved AWDM/1787/20. Amendment: Proposed composite cladding.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£699,000
Modelled from EPC, postcode comparables.
£520,000
Recorded with HM Land Registry.
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On floor area, 1 Cissbury Avenue stands well clear of the street.
Price per m²
£2,971
Street avg £3,542
Floor Area
175 m²
Street avg 116 m²
Habitable Rooms
8 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
0.1 km

Daytime· 07:00 – 23:00
49.5dB

Extension: Single storey · Rear of property
Proposed first floor extension to north (rear) elevation, with 1no. high level clear glazed first floor window to existing west elevation and enlarged clear glazed first floor window to existing east elevation.
23 July 2020Most recent
£520,000
Median price across the last 5 sales in BN14 0DN: £450,000 (2025–2010).
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Detailed EPC data
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Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
6.1 t/year
Street avg 4.9 t/year
BN14 0AR
Cissbury Avenue — bus stop.
Closest school
0.3 km
Vale School, Worthing. 10 schools nearby.
Night-time· 23:00 – 07:00
40.1dB