31 Marshall Avenue, Worthing, BN14 0ES
About 31 Marshall Avenue
31 Marshall Avenue is a three-bedroom detached house in Worthing (BN14 0ES). It has a recorded floor area of 521 m² (around 5608 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (May 2023) returns a B (score 81), comfortably above the UK average. When first surveyed in November 2010 the rating was D, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Poor to Very Good.
At 521 m² the property is well over the postcode median (152 m² across 20 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £1,058,000 sits 115.9% above the 2012 sale of £490,000. On a £-per-square-foot basis, the last sale (£87/sq ft) was about 66.1% below the postcode norm. 8 planning records sit against the property, 4 approved, 1 refused. Past consents include an annexe, tree works, an extension and partial demolition, meaningful when judging how the property has evolved. Last sold in March 2012, so it's been off the market for around 14 years.
What this property has
Inside
- Bedrooms3
- Dining roomYes
Outside
- GarageDouble
Building
- RefurbishedYes
Energy performance
31 Marshall Avenue ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property is a large detached home over 300m² and has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
8 applications on record at 31 Marshall Avenue, Worthing, BN14 0ES
- Aug 2012DemolitionFullOutcome in report
Extension: Single storey · Side and rear of property
Proposed extensions and alterations comprising of, single-storey south and west side extensions (demolition of existing garages, west elevation, part of rear elevation, and removal or existing roof); increase in height of east side flank wall by 0.2m; addition of pitched roof to the north, south and west sides (served by flat roofed valley) with 3 front (north) and 3 rear (south) roof dormer windows, two-storey glazed entrance porch to front and west side balcony; to form a 6 bedroom dwelling.
Extension- Documents
- 20 docs on file
- Reference
- AWDM/0489/12
- More recent applications — locked
- AnnexApr 2026Decision
- AnnexJul 2025Decision
+ 5 more applications in the report
Unlock 31 Marshall Avenue, Worthing, BN14 0ES's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (8 on record)
- All 8 applications on this property in full
- The 76 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
31 Marshall Avenue valuation sits well clear of the typical sold price in this postcode.
£1,058,000
Modelled from EPC, postcode comparables.
£490,000
Recorded with HM Land Registry.
Sales timeline
1 March 2012Most recent
£490,000
Median price across the last 5 sales in BN14 0ES: £725,000 (2025–2021).
Nearby sales in BN14 0ES
Versus other Marshall Avenue homes
EPC Rating for 31 Marshall Avenue runs comfortably ahead of the street norm.
Price per m²
£940
Street avg £3,648
Floor Area
521 m²
Street avg 172 m²
Habitable Rooms
13 rooms
Street avg 7 rooms
CO₂ Emissions
8.0 t/year
Street avg 7.2 t/year
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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
0.2 km
Central Avenue — bus stop.
Closest school
0.4 km
Vale School, Worthing. 8 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
49.1dB

Night-time· 23:00 – 07:00
39.9dB







