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Get started7 Blackwater Drive is a three-bedroom detached house in West Mersea, Colchester, Colchester (CO5 8NJ). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (July 2024) shows an E (score 46), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since August 2014. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on oil.
At 111 m² it's 24% smaller than the typical home in the postcode (146 m² median across 7 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Sale prices here have lagged Colchester HPI: -3.4% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£460/sq ft) was about 150.1% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. Most recent transfer: November 2024 at £550,000.
7 Blackwater Drive sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
A partial demolition application was refused at 7 Blackwater Drive in 2024.
Extension: Single storey · Front of property
Single storey front extension with fenestration and new windows throughout.
7 Blackwater Drive changed hands twice within eighteen months — unusual for the area.
£583,000
Modelled from EPC, postcode comparables and a sale-price growth of -3.4% per year over 1 year.
£550,000
Growth on file: -3.4% per year over 1 year.
7 Blackwater Drive is notably below the street on years held.
Price per m²
£4,955
Street avg £4,671
Floor Area
111 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
0.5 km

Daytime· 07:00 – 23:00
44.9dB

Changes detected from historical EPC data
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Demolition of the existing garage. Proposed ground floor infiltrated and side extensions, with new first-floor extension. External fenestration alterations.
8 November 2024Most recent
£550,000
-3.5%over 1 year1 November 2023
£570,000
Median price across the last 5 sales in CO5 8NJ: £530,000 (2023–2020).
1a Blackwater Drive West Mersea Colchester
Sold Apr 2023
3 Blackwater Drive West Mersea Colchester
Sold Jul 2021
5 Blackwater Drive West Mersea Colchester
Sold May 2021
8 Blackwater Drive West Mersea Colchester
Sold Oct 2020
6 Blackwater Drive West Mersea Colchester
Sold Jun 2020
Street avg 7 rooms
CO₂ Emissions
7.2 t/year
Street avg 5.2 t/year
CO5 8RY
High Street — bus stop.
Closest school
1.0 km
Mersea Island School. 1 school nearby.
Night-time· 23:00 – 07:00
36.5dB
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