12a, Cathedral Walk, Chelmsford, CM1 1NX
About 12a
12a is a semi-detached house in Chelmsford (CM1 1NX). It has a recorded floor area of 51 m² (around 549 sq ft). At 51 m² this is the 18th smallest of 19 units on EPC record in the building, where floor areas span 38–52 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (June 2017) shows a D (score 62), on the cusp of jumping into the C band. Main heating runs on electricity: electricity, unspecified tariff.
At 51 m² it's 18.6% larger than the typical home in the postcode (43 m² median across 18 EPCs). Across 2018–2022, sale prices on this property compounded at -3.5% per year. On a £-per-square-foot basis, the last sale (£397/sq ft) was about 32.6% above the typical sold price in the postcode. Most recent transfer: July 2022 at £218,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £545 · Includes VAT
Planning history
12a 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£218,000
Modelled from EPC, postcode comparables and a sale-price growth of -3.5% per year over 4 years.
£218,000
Growth on file: -3.5% per year over 4 years.
Sales timeline
28 July 2022Most recent
£218,000
-14.5%over 4 years9 February 2018
£255,000
Median price across the last 5 sales in CM1 1NX: £190,000 (2024–2018).
Nearby sales in CM1 1NX
Versus other Cathedral Walk homes
12a outperforms the street on floor area by a wide margin.
Price per m²
£4,275
Street avg £3,477
Floor Area
51 m²
Street avg 43 m²
CO₂ Emissions
2.2 t/year
Street avg 2.4 t/year
Years Held
4 years
Street avg 14 years
Similar properties nearby
1 Hodge Court, Broomfield Road
CM1 1SD
1 Durrant Court, Brook Street
CM1 1UE
1 Chappelow Court, Burgess Springs
CM1 1JN
1 Bishop Road
CM1 1PX
1 Copland Court, Burgess Springs
CM1 1HG
1 Ashby House, Brook Street
CM1 1AW
1 Hill Court, Victoria Road
CM1 1SP
1 Henry Road
CM1 1RG
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
0.1 km
Careers Office — bus stop.
Closest school
0.3 km
The Cathedral Church of England Voluntary Aided Primary 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
55.1dB

Night-time· 23:00 – 07:00
46.2dB







