9a, Allendale Avenue, Worthing, BN14 0AH
About 9a
9a is a detached house in Worthing (BN14 0AH). It has a recorded floor area of 153 m² (around 1647 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (March 2025) shows a D (score 57), a step below the typical UK home. The recommended improvements would push it to C (score 70).
At 153 m² the property is well over the postcode median (117 m² across 9 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2007. Past consents include an extension, meaningful when judging how the property has evolved.
Energy performance
9a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Planning history
9a has an approved extension on the planning record.
1 application on record at 9a, Allendale Avenue, Worthing, BN14 0AH
- Jul 2007ExtensionFullOutcome in report
Proposed pitched roof over existing dining room extension.
- Documents
- 1 doc on file
- Reference
- 07/0691/FULL
Unlock 9a, Allendale Avenue, Worthing, BN14 0AH's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 1 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
9a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£611,000
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 BN14 0AH: £715,000 (2024–2019).
Nearby sales in BN14 0AH
Rosegarth, Allendale Avenue, Worthing, BN14 0AH
Sold Dec 2024
£925,00011 Allendale Avenue, Worthing, BN14 0AH
Sold Dec 2022
£480,0005 Allendale Avenue, Worthing, BN14 0AH
Sold Apr 2022
£625,0009 Allendale Avenue, Worthing, BN14 0AH
Sold Dec 2019
£715,0004 Allendale Avenue, Worthing, BN14 0AH
Sold Nov 2018
£400,000
Versus other Allendale Avenue homes
9a is notably below the street on co₂ emissions.
EPC Rating
57 (D)
Street avg 59 (D)
Floor Area
153 m²
Street avg 124 m²
CO₂ Emissions
7.2 t/year
Street avg 5.5 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Allendale Avenue — bus stop.
Closest school
0.7 km
Vale School, Worthing. 16 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
48.9dB

Night-time· 23:00 – 07:00
41.4dB







