20 Leighton Avenue, Worthing, BN14 8QP
About 20 Leighton Avenue
20 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.
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. Across 2008–2022, sale prices on this property compounded at 4.3% per year. 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. 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.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- EnsuiteYes
- StudyYes
Outside
- Private gardenSouth-west-facing
Building
- Previously extendedYes
- 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
Single glazing replaced with double or better glazing
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
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Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
2 applications on record at 20 Leighton Avenue, Worthing, BN14 8QP
- Mar 2008SubdivisionFullOutcome in report
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.
Change of Use- Documents
- 1 doc on file
- Reference
- 08/0076/FULL
- More recent applications — locked
- SubdivisionSept 2008Decision
Unlock 20 Leighton Avenue, Worthing, BN14 8QP's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 3 notable nearby
- The 2 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
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.
Sales timeline
12 April 2022Most recent
£455,000
+44.4%over 6 years4 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).
Nearby sales in BN14 8QP
Versus other Leighton Avenue homes
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
Street avg 5 rooms
CO₂ Emissions
4.9 t/year
Street avg 4.3 t/year
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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
50.8dB

Night-time· 23:00 – 07:00
41.0dB







