11 First Avenue, Worthing, BN14 9NH
About 11 First Avenue
11 First Avenue is a five-bedroom detached house in Worthing (BN14 9NH). It has a recorded floor area of 310 m² (around 3337 sq ft), construction records dating it to 1930-1949 and council tax band F. There is a swimming pool on the plot, uncommon for the area. Other recorded features include outbuildings. The latest certificate (October 2022) shows a D (score 55), a step below the typical UK home. Earlier certificates rated it C (June 2010); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Very Poor.
At 310 m² the property is well over the postcode median (136 m² across 5 EPCs), placing it in the larger end of the local stock. 11 planning records sit against the property, 8 approved, 0 refused. Past consents include an extension, tree works and a conservatory, meaningful when judging how the property has evolved. Across 2010–2024, sale prices on this property compounded at 5.6% per year. On a £-per-square-foot basis, the last sale (£330/sq ft) was about 26.8% above the typical sold price in the postcode. Last sale on file: £1,100,000 in June 2024.
What this property has
Inside
- Bedrooms5
- Bathrooms3
- Dining roomYes
- EnsuiteYes
- StudyYes
Outside
- Private gardenYes
- GarageYes
- OutbuildingsYes
- Swimming poolYes
Energy performance
11 First Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Window efficiency improved
Get a survey for this property
Level 3 Building Survey
Because the property is a large detached home over 300m², has been extended more than once, and has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
Multiple extension applications run across more than a decade of planning history at 11 First Avenue.
11 applications on record at 11 First Avenue, Worthing, BN14 9NH
- Mar 2000ConservatoryFullOutcome in report
Extension: Rear of property
Erection of a conservatory to rear elevation
Extension- Reference
- 00/00111/FULL
- More recent applications — locked
- ExtensionMay 2025Decision
- Tree WorksDec 2021Decision
+ 8 more applications in the report
Unlock 11 First Avenue, Worthing, BN14 9NH's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (11 on record)
- All 11 applications on this property in full
- The 54 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 11 First Avenue was the highest on Land Registry record across the postcode.
£1,150,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 14 years.
£1,100,000
Growth on file: 5.6% per year over 14 years.
Sales timeline
27 June 2024Most recent
£1,100,000
-10.6%over 1 year16 November 2022
£1,230,000
+134.3%over 12 years27 October 2010
£525,000
Median price across the last 5 sales in BN14 9NH: £495,000 (2023–2012).
Nearby sales in BN14 9NH
Versus other First Avenue homes
11 First Avenue is notably below the street on years held.
Price per m²
£3,548
Street avg £4,455
Floor Area
310 m²
Street avg 136 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
15.0 t/year
Street avg 5.7 t/year
Similar properties nearby
1 Grove Road
BN14 9DQ
1 Cissbury Road
BN14 9LD
1 Austen Gate
BN14 9FE
1 Gorse Avenue
BN14 9PG
1 Bramley Close
BN14 9DU
1 First Avenue
BN14 9NH
1 Beeches Avenue
BN14 9JE
1 Golf Course Cottages, Hill Barn Lane
BN14 9QF
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Grove Lodge Roundabout — bus stop.
Closest school
0.6 km
Broadwater CofE Primary School. 21 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
50.9dB

Night-time· 23:00 – 07:00
41.6dB







