Flat 3, 5 Grand Avenue, Worthing, BN11 5AP
About Flat 3
Flat 3 is an end-of-terrace house in Worthing (BN11 5AP). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1930-1949 and council tax band B. At 50 m² this is the 4th smallest of 6 units on EPC record in the building, where floor areas span 31–55 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (July 2026) shows a C (score 80), near the top of the C band. When first surveyed in February 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good; while window efficiency dropped from Good to Average and lighting dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
Energy performance
Flat 3's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 23 July 2036
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Wall insulation improved
Floor insulation added or improved
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Planning history
Flat 3 has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Flat 3 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£189,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in BN11 5AP: £211,000 (2025–2017).
Nearby sales in BN11 5AP
5 Grand Avenue, Worthing, BN11 5AP
Sold Dec 2025
£817,500Taymor Court, Flat 9, 9 Grand Avenue, Worthing, BN11 5AP
Sold Jun 2024
£195,000Taymor Court, Flat 5, 9 Grand Avenue, Worthing, BN11 5AP
Sold Jan 2024
£211,000Taymor Court, Flat 10, 9 Grand Avenue, Worthing, BN11 5AP
Sold Sept 2019
£332,5007a, Grand Avenue, Worthing, BN11 5AP
Sold Jul 2016
£406,000
Versus other Grand Avenue homes
Flat 3 outperforms the street on epc rating by a wide margin.
EPC Rating
80 (C)
Street avg 72 (C)
Floor Area
50 m²
Street avg 53 m²
CO₂ Emissions
1.0 t/year
Street avg 1.8 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
327/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Hythe Road — bus stop.
Closest school
1.0 km
Elm Grove Primary School, Worthing. 22 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
50.3dB

Night-time· 23:00 – 07:00
38.6dB







