17a, Hertford Road, Worthing, BN11 1HX
About 17a
17a is a semi-detached house in Worthing (BN11 1HX). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (January 2015) shows an F (score 31), near the bottom of the EPC scale. The recommended improvements would lift it to D (score 61), a 2-band jump. Main heating runs on electricity. The latest certificate is from January 2015, so improvements made since then won't be reflected. At 45 m² this is the 17th smallest of 43 units on EPC record in the building, where floor areas span 35–176 m². The building's EPC ratings span F to C, with this unit at the bottom.
At 45 m² it sits well below the postcode median (72 m² across 42 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Everything you need to know about 17a
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Energy performance
17a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 08 Jan 2025
EPC Rating
Certificate validity
Expired on 8 January 2025
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, 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
15 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.
£162,000
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 1HX: £298,000 (2025–2024).
Nearby sales in BN11 1HX
10 Hertford Road, Worthing, BN11 1HX
Sold Sept 2025
£475,000Hertford Court, Flat 9, Hertford Road, Worthing, BN11 1HX
Sold Jun 2025
£135,000Hertford Court, Flat 11, Hertford Road, Worthing, BN11 1HX
Sold May 2025
£105,00026 Hertford Road, Worthing, BN11 1HX
Sold Feb 2025
£298,00011 Hertford Road, Worthing, BN11 1HX
Sold Aug 2024
£385,000
Versus other Hertford Road homes
17a is notably below the street on co₂ emissions.
EPC Rating
31 (F)
Street avg 57 (D)
Floor Area
45 m²
Street avg 44 m²
CO₂ Emissions
6.9 t/year
Street avg 3.0 t/year
Habitable Rooms
4 rooms
Street avg 2 rooms
Everything you need to know about 17a
The true value, the hidden risks and the full sale history, in one report.
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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
0.1 km
Teville Gate — bus stop.
Closest school
0.4 km
St Mary's Catholic Primary School. 23 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
53.7dB
Night-time· 23:00 – 07:00
43.1dB