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Get started19 Blackwater Close is a detached house in Heybridge Basin, Maldon, Maldon (CM9 4SB). It has a recorded floor area of 150 m² (around 1615 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (July 2025) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 72).
One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. At 150 m² it's 17.2% larger than the typical home in the postcode (128 m² median across 8 EPCs).
19 Blackwater Close has an approved single-storey side extension on the planning record.
Extension: Single storey · Side of property
Proposed single storey side extension
19 Blackwater Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£524,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
On floor area, 19 Blackwater Close stands well clear of the street.
EPC Rating
67 (D)
Street avg 66 (D)
Floor Area
150 m²
Street avg 124 m²
CO₂ Emissions
5.2 t/year
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
41.8dB

Median price across the last 5 sales in CM9 4SB: £470,000 (2025–2011).
12 Blackwater Close Heybridge Basin Maldon
Sold Mar 2025
7 Blackwater Close Heybridge Basin Maldon
Sold Mar 2022
10 Blackwater Close Heybridge Basin Maldon
Sold Feb 2021
5 Blackwater Close Heybridge Basin Maldon
Sold Oct 2011
6 Blackwater Close Heybridge Basin Maldon
Sold Jul 2010
Street avg 4.6 t/year
Habitable Rooms
6 rooms
Street avg 6 rooms
CM9 4PG
Heybridge Basin — bus stop.
Closest school
1.5 km
Heybridge Primary School. 6 schools nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
35.5dB