17a, Gratwicke Road, Worthing, BN11 4BH
About 17a
17a is a semi-detached house in Worthing (BN11 4BH). It has a recorded floor area of 24 m² (around 258 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (March 2021) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity. At 24 m² this is the 7th smallest of 65 units on EPC record in the building, where floor areas span 11–185 m². The building's EPC ratings span G to B across 65 units on file.
At 24 m² it sits well below the postcode median (67 m² across 64 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 23 March 2031
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
17a has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
17a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£131,000
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 4BH: £325,000 (2026–2024).
Nearby sales in BN11 4BH
18 Gratwicke Road, Worthing, BN11 4BH
Sold May 2026
£325,000Flat 2, 12 Gratwicke Road, Worthing, BN11 4BH
Sold Jul 2025
£175,00038 Gratwicke Road, Worthing, BN11 4BH
Sold Nov 2024
£445,00052 Gratwicke Road, Worthing, BN11 4BH
Sold Oct 2024
£632,000Flat 1, 7 Gratwicke Road, Worthing, BN11 4BH
Sold May 2024
£227,500
Versus other Gratwicke Road homes
17a is notably below the street on epc rating.
EPC Rating
44 (E)
Street avg 65 (D)
Floor Area
24 m²
Street avg 56 m²
CO₂ Emissions
2.3 t/year
Street avg 2.3 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Similar properties nearby
1 Elizabeth Cottages, Elizabeth Road
BN11 4EE
1 Amelia Road
BN11 4GA
1 Gardiner Place
BN11 4FL
1 Beccles Court, Beccles Road
BN11 4AJ
1 Clifton Gardens, Clifton Road
BN11 4DZ
1 Hathaway Mews
BN11 4HU
1 Gratwicke Road
BN11 4BH
1 Manor Lea, Boundary Road
BN11 4RN
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
327/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Thorn Road — bus stop.
Closest school
0.5 km
St Mary's Catholic 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
51.8dB

Night-time· 23:00 – 07:00
40.3dB







