11 Helden Avenue, Canvey Island, SS8 8BZ
About 11 Helden Avenue
11 Helden Avenue is a one-bedroom semi-detached house in Canvey Island (SS8 8BZ). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1967-1975 and council tax band B. Tenure is freehold. The latest certificate (February 2023) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2018. Between certificates, roof efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 90), a 2-band jump. Other recorded features include outbuildings. Our model identifies extension potential, subject to local planning policy.
Across 2000–2023, sale prices on this property compounded at 6.7% per year. On a £-per-square-foot basis, the last sale (£611/sq ft) was about 112.8% above the typical sold price in the postcode. Most recent transfer: July 2023 at £263,000.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- StudyYes
Outside
- ParkingOff street
- OutbuildingsYes
Building
- TenureFreehold
- RefurbishedYes
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Planning history
11 Helden Avenue has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Sales history & valuation
Price for 11 Helden Avenue has grown more than fourfold since the 2000 starting point.
£268,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 23 years.
£263,000
Growth on file: 6.7% per year over 23 years.
Sales timeline
20 July 2023Most recent
£263,000
+42.2%over 4 years18 January 2019
£185,000
+208.4%over 18 years23 August 2000
£59,995
Median price across the last 5 sales in SS8 8BZ: £310,000 (2025–2023).
Nearby sales in SS8 8BZ
12 Helden Avenue, Canvey Island, SS8 8BZ
Sold Sept 2025
£320,0002 Helden Avenue, Canvey Island, SS8 8BZ
Sold Aug 2025
£290,00024 Helden Avenue, Canvey Island, SS8 8BZ
Sold May 2024
£425,00010 Helden Avenue, Canvey Island, SS8 8BZ
Sold Jul 2023
£310,0008 Helden Avenue, Canvey Island, SS8 8BZ
Sold Mar 2023
£305,000
Versus other Helden Avenue homes
On co₂ emissions, 11 Helden Avenue stands well clear of the street.
Price per m²
£6,575
Street avg £4,607
Floor Area
40 m²
Street avg 59 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.9 t/year
Street avg 3.5 t/year
Similar properties nearby
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
Whernside Avenue — bus stop.
Closest school
0.7 km
St Joseph's Catholic Primary School and Nursery. 12 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
48.4dB

Night-time· 23:00 – 07:00
38.4dB







