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Get started20 Leighton Avenue is a four-bedroom semi-detached house in Worthing (BN14 8QP). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (August 2021) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in December 2008 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Good, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 81), a 2-band jump. Records show the property has been extended at some point in its history.
Sale prices here have outpaced Worthing HPI: 4.3% per year against 0% for the wider region. Today's modelled estimate of £525,000 is 15.4% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£391/sq ft) was about 69.9% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include subdivision and change of use to residential, meaningful when judging how the property has evolved. Most recent transfer: April 2022 at £455,000. 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.
Council records show a subdivision application — the property's legal arrangement has been altered.
Change of use from a single dwelling house to 2 x 1 bedroom self contained flats on ground floor and 1 x 1 bedroom self contained flat and a studio flat on the first floor with alterations and extensions to implement the use.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£525,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.3% per year over 14 years.
£455,000
Growth on file: 4.3% per year over 14 years.
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Detailed AI analysis
On habitable rooms, 20 Leighton Avenue stands well clear of the street.
Price per m²
£4,213
Street avg £3,597
Floor Area
108 m²
Street avg 107 m²
Habitable Rooms
7 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
50.8dB

Changes detected from historical EPC data
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Change of use from single dwelling to 2 x 1 bedroom and 1 x 2 bedroom flats with alterations and extensions to implement the use.
13 April 2022Most recent
£455,000
+44.4%over 6 years5 June 2015
£315,000
+26.0%over 7 years7 January 2008
£250,000
Median price across the last 5 sales in BN14 8QP: £465,000 (2025–2022).
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
4.9 t/year
Street avg 4.3 t/year
BN14 8QD
Closest school
0.3 km
Bramber Primary School. 20 schools nearby.
Night-time· 23:00 – 07:00
41.0dB