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Get started7 Gainsborough Avenue is a four-bedroom detached house in Worthing (BN14 8QR). It has a recorded floor area of 119 m² (around 1281 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (August 2015) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from August 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced Worthing HPI: 9% per year against 0% for the wider region. Today's modelled estimate of £496,000 is 27.2% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£304/sq ft) was about 18% above the typical sold price in the postcode. At 119 m² the property is well over the postcode median (84 m² across 13 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. On the market in February 2016 and unlisted since — roughly 10 years.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 20 Aug 2025
Extension: Single storey · Rear of property
Single storey rear extension and extensions to roof to provide living accommodation.
7 Gainsborough Avenue has more than quadrupled in price since its earliest registered sale in 1996.
£496,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.0% per year over 19 years.
£390,000
Growth on file: 9.0% per year over 19 years.
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Detailed AI analysis
Habitable Rooms for 7 Gainsborough Avenue runs comfortably ahead of the street norm.
Price per m²
£3,277
Street avg £3,603
Floor Area
119 m²
Street avg 92 m²
Habitable Rooms
8 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Leighton Avenue — bus stop.

Daytime· 07:00 – 23:00
50.6dB

Extension: Single storey · Rear of property
Single storey rear extension and extensions to roof to provide living accommodation
26 February 2016Most recent
£390,000
+434.2%over 19 years20 September 1996
£73,000
Median price across the last 5 sales in BN14 8QR: £274,998 (2025–2021).
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Detailed EPC data
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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
5.3 t/year
Street avg 4.0 t/year
BN14 8BE
Closest school
0.3 km
Bramber Primary School. 20 schools nearby.
Night-time· 23:00 – 07:00
41.0dB