1 Cathedral Court, Church Street, Chelmsford, CM1 1NS
About 1 Cathedral Court
1 Cathedral Court is an end-of-terrace house in Chelmsford (CM1 1NS). It has a recorded floor area of 217 m² (around 2336 sq ft), construction records dating it to 2012 onwards and council tax band G. At 217 m² this is the largest unit on EPC record across the building (47–217 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (78 versus a worst of 65). The latest certificate (April 2026) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since November 2015. Between certificates, roof efficiency went from Good to Very Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
Across 2021–2026, sale prices on this property compounded at -3.4% per year. Today's modelled estimate of £743,000 is 60.4% below the 2026 sale of £1,875,000, an unusual pattern given regional price growth and worth checking against the EPC condition. At 217 m² the property is well over the postcode median (78 m² across 6 EPCs), placing it in the larger end of the local stock. A recent sale: £1,875,000 in January 2026.
Energy performance
1 Cathedral Court's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 12 April 2036
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Heating controls upgraded for better temperature management
Loft insulation upgraded to recommended levels
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,220 · Includes VAT
Planning history
1 Cathedral Court 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
£743,000
Modelled from EPC, postcode comparables and a sale-price growth of -3.4% per year over 5 years.
£1,875,000
Growth on file: -3.4% per year over 5 years.
Sales timeline
16 January 2026Most recent
£1,875,000
-14.8%over 4 years21 June 2021
£2,200,000
Versus other Church Street homes
EPC Rating for 1 Cathedral Court runs comfortably ahead of the street norm.
EPC Rating
78 (C)
Street avg 69 (D)
Floor Area
217 m²
Street avg 72 m²
CO₂ Emissions
1.0 t/year
Street avg 2.8 t/year
Habitable Rooms
5 rooms
Street avg 3 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
420/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cathedral — bus stop.
Closest school
0.2 km
The Cathedral Church of England Voluntary Aided Primary School, Chelmsford. 32 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
54.6dB

Night-time· 23:00 – 07:00
45.9dB







