12b, Mersea Road, Colchester, CO2 7EX
About 12b
12b is a mid-terrace house in Colchester (CO2 7EX). It has a recorded floor area of 126 m² (around 1356 sq ft) and construction records dating it to 1900-1929. The latest certificate (October 2021) shows a D (score 58), a step below the typical UK home. When first surveyed in November 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average and lighting went from Very Poor to Very Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 80).
At 126 m² the property is well over the postcode median (35 m² across 15 EPCs), placing it in the larger end of the local stock. One historical planning record sits against the property in 2009.
Energy performance
12b's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 17 October 2031
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Heating controls upgraded for better temperature management
Hot water efficiency improved
Window efficiency improved
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Roof insulation improved
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Heating controls upgraded for better temperature management
Low energy lighting percentage decreased
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
1 application on record at 12b, Mersea Road, Colchester, CO2 7EX
- May 2009Change Of UseAmendmentOutcome in report
Change of use from residential to office use
- Documents
- 3 docs on file
- Reference
- 090483
Unlock 12b, Mersea Road, Colchester, CO2 7EX's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 4 notable nearby
- The 3 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£308,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Median price across the last 5 sales in CO2 7EX: £175,000 (2026–2006).
Nearby sales in CO2 7EX
Versus other Mersea Road homes
On floor area, 12b stands well clear of the street.
EPC Rating
58 (D)
Street avg 59 (D)
Floor Area
126 m²
Street avg 85 m²
CO₂ Emissions
6.3 t/year
Street avg 4.6 t/year
Habitable Rooms
5 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
311/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Town Railway Station — bus stop.
Closest school
0.4 km
St John's Green Primary School. 35 schools 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
52.1dB

Night-time· 23:00 – 07:00
41.4dB







