9 Crowstone Avenue, Westcliff On Sea, SS0 8HT
About 9 Crowstone Avenue
9 Crowstone Avenue is a five-bedroom detached house in Westcliff On Sea (SS0 8HT). It has a recorded floor area of 209 m² (around 2250 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (June 2019) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 83), a 3-band jump. Period features are noted in the property record.
Held since November 2005 — that's 21 years off the open market, well above the local norm. At 209 m² the property is well over the postcode median (154 m² across 15 EPCs), placing it in the larger end of the local stock. Across 1997–2005, sale prices on this property compounded at 10.8% per year. Today's modelled estimate of £934,000 sits 73% above the 2005 sale of £540,000. One planning record on file: an extension approved in 2022. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms5
Building
- Period featuresYes
Energy performance
9 Crowstone Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
- Aug 2022Loft ConversionFullIn report
Extend and alter roof, install rooflights to side and rear elevations and convert roof space in to habitable accommodation with balcony front elevation
- Agent
- Hedgehog Architects
Extension- Documents
- 5 docs on file
- Reference
- 22/01305/FULH
We flagged 2 things worth checking at 9 Crowstone Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Sale price has at least doubled since 1997.
£934,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.8% per year over 8 years.
£540,000
Growth on file: 10.8% per year over 8 years.
Sales timeline
18 November 2005Most recent
£540,000
+80.0%over 6 years26 February 1999
£300,000
+32.7%over 1 year21 May 1997
£226,000
Median price across the last 5 sales in SS0 8HT: £580,000 (2023–2021).
Nearby sales in SS0 8HT
21 Crowstone Avenue, Westcliff On Sea, SS0 8HT
Sold Aug 2023
£1,150,0003 Crowstone Avenue, Westcliff On Sea, SS0 8HT
Sold Sept 2022
£580,00023 Crowstone Avenue, Westcliff On Sea, SS0 8HT
Sold Aug 2022
£1,165,0005 Crowstone Avenue, Westcliff On Sea, SS0 8HT
Sold Jun 2021
£567,00015 Crowstone Avenue, Westcliff On Sea, SS0 8HT
Sold Feb 2021
£549,000
Versus other Crowstone Avenue homes
9 Crowstone Avenue is notably below the street on co₂ emissions.
Price per m²
£2,584
Street avg £3,054
Floor Area
209 m²
Street avg 204 m²
Habitable Rooms
9 rooms
Street avg 8 rooms
CO₂ Emissions
12.0 t/year
Street avg 9.7 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Crowstone House — bus stop.
Closest school
1.1 km
Chalkwell Hall Infant School. 24 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
47.5dB

Night-time· 23:00 – 07:00
38.1dB







