Postcode area guide

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CM postcode area

Explore the Chelmsford postcode area with maps, quick facts, towns, delivery offices, neighbouring areas and postcode district coverage.

The CM area code stands for c and m in <strong>C</strong>hel<strong>M</strong>sford.

Map of the CM postcode area

Use the interactive map to explore the area boundary and neighbouring postcode areas.

Overview

This page brings together mapped and statistical information for the CM postcode area, also known as the Chelmsford postal area.

The CM postcode area covers Chelmsford and nearby parts of Eastern England.

The postcode area borders the following neighbouring postcode areas: SS - Southend-on-Sea, CO - Colchester, CB - Cambridge, SG - Stevenage, RM - Romford, EN - Enfield and IG - Ilford. It also borders The Blackwater and The Thames Estuary.

The postcode area falls within the following counties: Essex (92.41%), Hertfordshire (7.57%), Greater London (0.01%).

Detailed map of the CM Postcode Area
Detailed map showing districts and posttowns in the CM Chemsford Area

Quick facts

CM area statistics
Width east to west40.68 mi
Height north to south32.31 mi
Area698.31 mi²
Maximum width41.72 mi
Perimeter219.41 mi
Postcode districts28
Postcode sectors98
Post towns16
Postcodes18,036
Population653,492

The CM postcode area has a population of 653,492 and covers 1,791,944 hectares. Roughly 1.01% of the population of Great Britain lives here.

Post towns and postcode districts

Where is the CM postcode area?

Location map for the CM postcode area
Location map of the postcode area.
Word cloud for the CM postcode area
Word cloud of place names within the area.

How built up is the postcode area?

This compares building footprint coverage against the total land area across each postcode district. The least urban district is CM5 and the most urban is CM18.

Postcode district Total area (m²) Footprint area (m²) Built percentage
CM5 100,294,180 901,978 0.90%
CM0 125,300,839 1,272,730 1.02%
CM6 192,329,200 2,027,045 1.05%
CM22 99,255,763 1,175,138 1.18%
CM4 65,931,943 854,956 1.30%
CM3 260,364,372 3,867,025 1.49%
CM9 142,692,185 2,303,291 1.61%
CM77 58,200,629 1,046,702 1.80%
CM16 64,394,063 1,269,638 1.97%
CM7 124,322,119 2,512,308 2.02%
CM21 24,375,321 561,825 2.30%
CM17 38,287,122 1,018,812 2.66%
CM13 53,331,663 1,512,169 2.84%
CM8 58,532,456 1,730,664 2.96%
CM14 29,477,197 962,170 3.26%
CM24 20,174,927 668,871 3.32%
CM1 97,169,990 3,262,448 3.36%
CM11 31,332,075 1,071,074 3.42%
CM15 37,995,420 1,351,272 3.56%
CM23 51,715,179 2,043,351 3.95%
CM12 22,285,947 1,110,763 4.98%
CM2 51,514,990 2,841,129 5.52%
CM19 17,584,894 1,032,278 5.87%
CM20 16,677,982 1,354,986 8.12%
CM18 7,980,612 725,978 9.10%
Total 1,791,521,068 38,478,601 2.15%
Map of the CM postcode area
Boundary map showing CM in relation to neighbouring areas.
Map of post towns in the CM postal area
Post towns within the CM postal area.

Area measurements

Hectares1,791,944
Square miles6,918.73
Square feet192,883,060,216.00
Square kilometres17,919.44

Postal delivery offices

  • Althorne Scale Payment Delivery Office
  • Billericay Delivery Office
  • Bishops Stortford Delivery Office
  • Blackmore Scale Payment Delivery Office
  • Boreham Scale Payment Delivery Office
  • Braintree Delivery Office
  • Brentwood Delivery Office
  • Burnham On Crouch Scale Payment Delivery Office
  • Chelmsford Delivery Office
  • Danbury Scale Payment Delivery Office
  • Dunmow Delivery Office
  • Elsenham Scale Payment Delivery Office
  • Epping Delivery Office
  • Finchingfield Scale Payment Delivery Office
  • Harlow Delivery Office
  • Hatfield Peverel Scale Payment Delivery Office
  • Ingatestone Scale Payment Delivery Office
  • Latching Delivery Office N Scale Payment Delivery Office
  • Maldon Delivery Office
  • Ongar Delivery Office
  • Purleigh Scale Payment Delivery Office
  • Sawbridgeworth Delivery Office
  • Silver End Scale Payment Delivery Office
  • South Woodham Ferrers Delivery Office
  • Southminster Scale Payment Delivery Office
  • Stansted Scale Payment Delivery Office
  • Takeley Scale Payment Delivery Office
  • Tollesbury Scale Payment Delivery Office
  • Wethersfield Scale Payment Delivery Office
  • Wickham Bishops Scale Payment Delivery Office
  • Witham Delivery Office

Tourist attractions within the area

We found 9 visitor attractions within the Chelmsford postcode area.

Epping Ongar Railway
Railways
Steam / Heritage Railway
View on Google Maps
The Gardens of Easton Lodge
Gardens
Garden
View on Google Maps
John Webb's Windmill
Historic Properties
Other Historic Property
View on Google Maps
Blanket Hall
Historic Properties
Other Historic Property
View on Google Maps
Great Dunmow Maltings
Museums & Art Galleries
Museum and / or Art Gallery
View on Google Maps
Ingatestone Hall
Historic Properties
Historic House / House and Garden / Palace
View on Google Maps
RHS Garden Hyde Hall
Gardens
Garden
View on Google Maps
Thames Barge Sailing Trust
Historic Properties
Other Historic / Scenic Transport Operator
View on Google Maps
Topsail Charters Ltd
Historic Properties
Other Historic / Scenic Transport Operator
View on Google Maps

Nearby postcode areas

Neighbouring context

The postcode area borders the following neighbouring postcode areas: SS - Southend-on-Sea, CO - Colchester, CB - Cambridge, SG - Stevenage, RM - Romford, EN - Enfield and IG - Ilford. It also borders The Blackwater and The Thames Estuary.

Towns and villages within the area

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