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Get started18 Alexandra Avenue is a two-bedroom detached house in West Mersea, Colchester, Colchester (CO5 8BG). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (January 2017) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2013. Between certificates, wall efficiency went from Poor to Good, lighting went from Poor to Very Good and main heating went from Average to Good; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on electricity.
Today's modelled estimate of £413,000 sits 87.7% above the 2013 sale of £220,000. At 97 m² it sits well below the postcode median (151 m² across 17 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2013. Past consents include an extension, meaningful when judging how the property has evolved. On the market in March 2013 and unlisted since — roughly 13 years.
Recommended upgrades on file would lift this property by multiple EPC bands.
Extension: Single storey · Front of property
Demolition of existing garage & replacement with single storey front extension
£413,000
Modelled from EPC, postcode comparables.
£220,000
Recorded with HM Land Registry.
18 Alexandra Avenue outperforms the street on co₂ emissions by a wide margin.
Price per m²
£2,268
Street avg £3,205
Floor Area
97 m²
Street avg 157 m²
Habitable Rooms
4 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.6 km

Daytime· 07:00 – 23:00
45.8dB

Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Hot water efficiency decreased
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
14 March 2013Most recent
£220,000
Median price across the last 5 sales in CO5 8BG: £670,000 (2025–2021).
6a Alexandra Avenue West Mersea Colchester
Sold Aug 2025
10 Alexandra Avenue West Mersea Colchester
Sold Jan 2025
2a Alexandra Avenue West Mersea Colchester
Sold Aug 2024
11 Alexandra Avenue West Mersea Colchester
Sold Apr 2022
6 Alexandra Avenue West Mersea Colchester
Sold Apr 2021
Street avg 6 rooms
CO₂ Emissions
3.2 t/year
Street avg 6.2 t/year
CO5 8QJ
Barfield Rd — bus stop.
Closest school
0.6 km
Mersea Island School. 1 school nearby.
Night-time· 23:00 – 07:00
36.9dB
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