4a, Alexandra Avenue, West Mersea, Colchester, CO5 8BG
About 4a
4a is a detached house in West Mersea, Colchester, Colchester (CO5 8BG). It has a recorded floor area of 189 m² (around 2034 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (July 2012) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). The latest certificate is from July 2012, so improvements made since then won't be reflected.
At 189 m² it's 26.3% larger than the typical home in the postcode (150 m² median across 20 EPCs). Last sold in December 2016, so it's been off the market for around 9 years. Today's modelled estimate of £672,000 is 40% above the 2016 sale price. One planning record on file: an extension refused in 2017.
Energy performance
4a's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 02 Jul 2022
EPC Rating
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Planning history
1 application on record at 4a, Alexandra Avenue, West Mersea, Colchester, CO5 8BG
- Jun 2017ExtensionFullOutcome in report
Extension: Front of property
Small balcony to front of property.
- Documents
- 8 docs on file
- Reference
- 171147
Unlock 4a, Alexandra Avenue, West Mersea, Colchester, CO5 8BG's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
4a valuation sits well clear of the typical sold price in this postcode.
£672,000
Modelled from EPC, postcode comparables.
£480,000
Recorded with HM Land Registry.
Sales timeline
19 December 2016Most recent
£480,000
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
4a outperforms the street on floor area by a wide margin.
Price per m²
£2,540
Street avg £3,025
Floor Area
189 m²
Street avg 153 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
6.6 t/year
Street avg 6.1 t/year
Similar properties nearby
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1 Blackwater Drive, West Mersea
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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







