12 Alexandra Avenue, West Mersea, Colchester, CO5 8BG
About 12 Alexandra Avenue
12 Alexandra Avenue is a three-bedroom detached house in West Mersea, Colchester, Colchester (CO5 8BG). It has a recorded floor area of 171 m² (around 1841 sq ft), construction records dating it to 1930-1949 and council tax band F. There is a swimming pool on the plot, uncommon for the area. Other recorded features include a conservatory. The latest certificate (December 2015) returns a B (score 81), comfortably above the UK average. When first surveyed in July 2014 the rating was G, the property has climbed 5 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Very Poor to Very Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Good to Average. Main heating runs on oil. The latest certificate is from December 2015, so improvements made since then won't be reflected.
On energy efficiency it sits in the top 10% of properties in this postcode. Across 1995–2014, sale prices on this property compounded at 5% per year. Today's modelled estimate of £728,000 sits 82% above the 2014 sale of £400,000. Last sold in December 2014, so it's been off the market for around 11 years.
What this property has
Inside
- Bedrooms3
- Utility roomYes
- ConservatoryYes
Outside
- GarageDouble
- Swimming poolYes
Energy performance
12 Alexandra Avenue ranks among the most efficient homes in the postcode for energy use.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Dec 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system changed
Window efficiency improved
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,220 · Includes VAT
Planning history
12 Alexandra Avenue has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12 Alexandra Avenue has more than doubled in price since the earliest registered sale in 1995.
£728,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 19 years.
£400,000
Growth on file: 5.0% per year over 19 years.
Sales timeline
19 December 2014Most recent
£400,000
+153.2%over 19 years14 November 1995
£158,000
Median price across the last 5 sales in CO5 8BG: £670,000 (2025–2021).
Nearby sales in CO5 8BG
6a, Alexandra Avenue, West Mersea, Colchester, CO5 8BG
Sold Aug 2025
£825,00010 Alexandra Avenue, West Mersea, Colchester, CO5 8BG
Sold Jan 2025
£595,0002a, Alexandra Avenue, West Mersea, Colchester, CO5 8BG
Sold Aug 2024
£610,00011 Alexandra Avenue, West Mersea, Colchester, CO5 8BG
Sold Apr 2022
£670,0006 Alexandra Avenue, West Mersea, Colchester, CO5 8BG
Sold Apr 2021
£800,000
Versus other Alexandra Avenue homes
12 Alexandra Avenue outperforms the street on epc rating by a wide margin.
Price per m²
£2,339
Street avg £3,036
Floor Area
171 m²
Street avg 154 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
3.4 t/year
Street avg 6.3 t/year
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The neighbourhood at a glance
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
Barfield Rd — bus stop.
Closest school
0.6 km
Mersea Island School. 1 school nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
45.8dB

Night-time· 23:00 – 07:00
36.9dB







