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Get started11 Gainsborough Avenue is a three-bedroom detached house in Worthing (BN14 8QR). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2014) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76). The latest certificate is from June 2014, so improvements made since then won't be reflected.
Sale prices here have outpaced Worthing HPI: 5.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£395/sq ft) was about 55.4% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 103 m² it's 22.6% larger than the typical home in the postcode (84 m² median across 13 EPCs). Most recent transfer: April 2021 at £437,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
11 Gainsborough Avenue's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 25 Jun 2024
11 Gainsborough Avenue has 2 separate extension applications on the council record.
Extension: Rear of property
Two storey and single storey rear extension.
Latest sale on 11 Gainsborough Avenue was the highest on Land Registry record across the postcode.
£473,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 17 years.
£437,500
Growth on file: 5.7% per year over 17 years.
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Detailed AI analysis
Price per m² for 11 Gainsborough Avenue runs comfortably ahead of the street norm.
Price per m²
£4,248
Street avg £3,495
Floor Area
103 m²
Street avg 94 m²
Habitable Rooms
5 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: Two storey · Rear of property
Two storey extension to the rear elevation
6 April 2021Most recent
£437,500
+24.1%over 6 years3 November 2014
£352,500
+107.4%over 10 years19 March 2004
£170,000
Median price across the last 5 sales in BN14 8QR: £274,998 (2025–2021).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
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
4.0 t/year
Street avg 4.1 t/year
BN14 8HF
Closest school
0.3 km
Bramber Primary School. 20 schools nearby.
Night-time· 23:00 – 07:00
41.0dB