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Get started3 Alexandra Avenue is a four-bedroom detached house in West Mersea, Colchester, Colchester (CO5 8BG). It has a recorded floor area of 175 m² (around 1884 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (March 2017) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in May 2015 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Average to Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to C (score 69).
Sale prices here have outpaced Colchester HPI: 20.2% per year against 0% for the wider region. Today's modelled estimate of £696,000 is 12.8% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£328/sq ft) was about 45.9% above the typical sold price in the postcode. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. At 175 m² it's 16.9% larger than the typical home in the postcode (150 m² median across 17 EPCs). On the market in September 2017 and unlisted since — roughly 9 years.
3 Alexandra Avenue's carbon output runs well above what efficient homes in the postcode produce.
3 Alexandra Avenue has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Proposed single storey rear extension
3 Alexandra Avenue valuation sits well clear of the typical sold price in this postcode.
£696,000
Modelled from EPC, postcode comparables and a sale-price growth of 20.2% per year over 2 years.
£617,000
Growth on file: 20.2% per year over 2 years.
Price per m²
£3,526
Street avg £3,126
Floor Area
175 m²
Street avg 153 m²
Habitable Rooms
6 rooms
Street avg 6 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
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
22 September 2017Most recent
£617,000
+40.2%over 1 year20 November 2015
£440,000
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
CO₂ Emissions
6.4 t/year
Street avg 6.0 t/year
CO5 8NE
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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