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12a, Cathedral Walk, Chelmsford, CM1 1NX

3 sales on record
Property type
Semi-detached
Floor top floor
Floor area
51 m²
549 sq ft
Energy rating
D
Score 62
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Overview

About 12a

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

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 41–52 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.

A recent sale: £200,000 in January 2026. At 51 m² it's 18.6% larger than the typical home in the postcode (43 m² median across 18 EPCs). Across 2018–2026, sale prices on this property compounded at -3% per year. On a £-per-square-foot basis, the last sale (£364/sq ft) was about 21.3% above the typical sold price in the postcode.

Before you decide

Everything you need to know about 12a

The true value, the hidden risks and the full sale history, in one report.

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate
Jun 2017

EPC Rating

A
B
C
D
D62
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Very Poor
Windows
Very Good
CO2 Emissions
2.2 t/year
Occupancy

Certificate validity

Valid until 12 June 2027

8 months remaining
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Top Floor FlatEPC D

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

Planning history

Applications and permits filed against 12a, Cathedral Walk, Chelmsford, CM1 1NX, sourced from the PlanIt planning register.

12a has no planning applications on record.

3

But the area is active

3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

12a saw 3 transfers in just over a decade — high turnover for the postcode.

Current estimate

£209,000

Modelled from EPC, postcode comparables and a sale-price growth of -3.0% per year over 8 years.

See how we calculated this
Last sold (2026)

£200,000

Growth on file: -3.0% per year over 8 years.

Sales timeline

  1. 16 January 2026Most recent

    £200,000

    -8.3%over 3 years
  2. 28 July 2022

    £218,000

    -14.5%over 4 years
  3. 9 February 2018

    £255,000

Median price across the last 5 sales in CM1 1NX: £190,000 (2026–2021).

On the street

Versus other Cathedral Walk homes

Four headline reads against 18 similar flats on this street, drawn from the latest EPC and Land Registry data.

12a is notably below the street on years held.

Price per m²

£3,922

Street avg £3,478

Above

Floor Area

51 m²

Street avg 43 m²

Strongly above

CO₂ Emissions

2.2 t/year

Street avg 2.2 t/year

On par

Years Held

1 years

Street avg 14 years

Strongly below
Before you decide

Everything you need to know about 12a

The true value, the hidden risks and the full sale history, in one report.

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Chelmsford district page.

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

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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around CM1 1NX from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for CM1 1NX

Daytime· 07:00 – 23:00

55.1dB

Moderate
Night-time road noise heatmap for CM1 1NX

Night-time· 23:00 – 07:00

46.2dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 12a, Cathedral Walk, Chelmsford, CM1 1NX. Each answer is also embedded as structured data for search engines.