12 Gainsborough Avenue, Worthing, BN14 8QR
About 12 Gainsborough Avenue
12 Gainsborough Avenue is a three-bedroom semi-detached house in Worthing (BN14 8QR). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (March 2020) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2010. Between certificates, roof efficiency went from Poor to Average and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 85), a 2-band jump.
Across 2011–2013, sale prices on this property compounded at 12.9% per year. Today's modelled estimate of £387,000 sits 66.1% above the 2013 sale of £233,000. Last sold in March 2013, so it's been off the market for around 13 years.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenRear
- ParkingOff road
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
12 Gainsborough Avenue has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12 Gainsborough Avenue valuation sits well clear of the typical sold price in this postcode.
£387,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.9% per year over 2 years.
£233,000
Growth on file: 12.9% per year over 2 years.
Sales timeline
22 March 2013Most recent
£233,000
+22.6%over 1 year19 July 2011
£190,000
Median price across the last 5 sales in BN14 8QR: £274,998 (2025–2021).
Nearby sales in BN14 8QR
14 Gainsborough Avenue, Worthing, BN14 8QR
Sold Mar 2025
£274,99821 Gainsborough Avenue, Worthing, BN14 8QR
Sold Dec 2024
£272,00023 Gainsborough Avenue, Worthing, BN14 8QR
Sold Nov 2024
£274,0009 Gainsborough Avenue, Worthing, BN14 8QR
Sold Mar 2024
£365,00011 Gainsborough Avenue, Worthing, BN14 8QR
Sold Apr 2021
£437,500
Versus other Gainsborough Avenue homes
On habitable rooms, 12 Gainsborough Avenue runs well behind the street norm.
Price per m²
£2,913
Street avg £3,643
Floor Area
80 m²
Street avg 96 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.0 t/year
Street avg 4.1 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Leighton Avenue — bus stop.
Closest school
0.3 km
Bramber Primary School. 20 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.6dB

Night-time· 23:00 – 07:00
41.0dB







