Flat 1, 54 Duke Street, Chelmsford, CM1 1JA
About Flat 1
Flat 1 is a mid-terrace house in Chelmsford (CM1 1JA). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1900-1929 and council tax band B. At 56 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 50–57 m². The building's EPC ratings span E to D, with this unit at the top. On EPC score it ranks first in the building (58 versus a worst of 48). The latest certificate (July 2025) shows a D (score 58), a step below the typical UK home. When first surveyed in April 2010 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Poor to Good and lighting went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 73). Main heating runs on electricity.
At 56 m² it's 16.7% larger than the typical home in the postcode (48 m² median across 10 EPCs).
Energy performance
Flat 1's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Hot water efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Flat 1 has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Flat 1 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£187,000
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 CM1 1JA: £330,000 (2025–2015).
Nearby sales in CM1 1JA
Versus other Duke Street homes
On co₂ emissions, Flat 1 stands well clear of the street.
EPC Rating
58 (D)
Street avg 65 (D)
Floor Area
56 m²
Street avg 43 m²
CO₂ Emissions
1.2 t/year
Street avg 2.3 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Bus Station — bus stop.
Closest school
0.4 km
King Edward VI Grammar School, Chelmsford. 33 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
55.7dB

Night-time· 23:00 – 07:00
46.5dB







