12a, Glenwood Avenue, Westcliff On Sea, SS0 9DJ
About 12a
12a is a one-bedroom mid-terrace house in Westcliff On Sea (SS0 9DJ). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (October 2022) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2012. Between certificates, lighting went from Poor to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 74). At 61 m² this is the 26th smallest of 64 units on EPC record in the building, where floor areas span 45–246 m². The building's EPC ratings span F to C across 64 units on file. Other recorded features include a conservatory.
Across 2001–2015, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £172,000 sits 77.3% above the 2015 sale of £97,000. On the market in March 2015 and unlisted since — roughly 11 years.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Dining roomYes
- ConservatoryYes
Outside
- Private gardenYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
12a has no planning applications on record.
Notable planning nearby
24applications of note in the surrounding area
We flagged 2 things worth checking at 12a
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
12a has more than doubled in price since the earliest registered sale in 2001.
£172,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 14 years.
£97,000
Growth on file: 6.2% per year over 14 years.
Sales timeline
31 March 2015Most recent
£97,000
-10.2%over 11 years14 November 2003
£108,000
+157.1%over 2 years7 June 2001
£42,000
Median price across the last 5 sales in SS0 9DJ: £215,000 (2025–2023).
Nearby sales in SS0 9DJ
40a, Glenwood Avenue, Westcliff On Sea, SS0 9DJ
Sold Mar 2025
£176,00051a, Glenwood Avenue, Westcliff On Sea, SS0 9DJ
Sold Apr 2024
£203,0002a, Glenwood Avenue, Westcliff On Sea, SS0 9DJ
Sold Mar 2024
£215,00057 Glenwood Avenue, Westcliff On Sea, SS0 9DJ
Sold Feb 2024
£332,50032 Glenwood Avenue, Westcliff On Sea, SS0 9DJ
Sold Dec 2023
£232,000
Versus other Glenwood Avenue homes
Habitable Rooms for 12a lags the street by a wide margin.
Price per m²
£1,590
Street avg £2,257
Floor Area
61 m²
Street avg 58 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
3.0 t/year
Street avg 2.6 t/year
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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
West Road turn — bus stop.
Closest school
0.3 km
The Westborough School. 29 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
50.3dB

Night-time· 23:00 – 07:00
40.2dB







