POSTCODE DECISION REPORT

CM3 postcode decision report

Useful shortlist area

CM3 currently groups 1,060 live postcode rows with best-fit area context in Chelmsford. Aggregate median sold price reads at £440,000 across 4,324 recorded sales. Gigabit availability in the best-fit area is 79.1% with median download at Unavailable. 4G strong coverage reaches 100% and 5G reaches 51.1% in the best-fit area summary. Nearby planning activity reads quiet in the strongest matched area context. The leading exact postcode follow-up already links 34 school rows for shortlist review.

Live postcode rollup with area connectivity and planning context | Sold prices through 24 Jun 2026 · Broadband source year 2024 · Mobile source year 2025

  • Matched postcodes 1,060Live postcode rows grouped under CM3
  • Median sold price in CM3, last 5 years £440,000Based on 4,324 sales · Latest sale in data: 24 Jun 2026
  • Best-fit area ChelmsfordUsed for planning and connectivity context when the partial postcode spans multiple exact rows
  • Nearby planning QuietPlanning follow-up uses the strongest matched area context for this rollup
  • Schools snapshot 34 nearby school rowsSchool snapshot comes from the strongest exact postcode follow-up in this rollup

Joined partial postcode brief

Start with the aggregate signals below, then move into exact postcode follow-up, planning, schools, tools, and learning if this partial postcode still looks viable.

Median sold price in CM3, last 5 years

Strong sample

Strong sample. Based on 4,324 sales · Latest sale in data: 24 Jun 2026.

Connectivity

Gigabit 79.1%

Gigabit availability is 79.1%, with median download at Unavailable and below-USO share at 0.2%. 4G strong-coverage share is 100%, with 5G at 51.1% in the current area-level summary.

Planning

No nearby matches

No nearby planning rows matched Chelmsford in the current live coverage yet.

Schools

34 nearby school rows

The leading exact postcode follow-up currently links 34 school rows for shortlist review.

Transport

1,018 mapped stops

Chelmsford currently links 1,018 mapped transport stops, including 9 rail or metro stops. Use the linked exact postcode pages to check stop proximity more precisely inside CM3.

Local business

Score 100/100

Chelmsford currently links 807 mapped local businesses across 8 tracked categories. Top amenity groups include 280 food and drink, 125 nightlife, 113 personal services. The current amenity availability signal scores 100/100.

Jobs

3,098 online job adverts observed

Chelmsford local authority · Jun 2026. Same geography one year earlier: 2,653 online job adverts observed in Jun 2025.

Exact postcode follow-up

10 linked postcodes

Start with CM3 2GN, Braintree and then work through the other 9 linked postcodes for exact due diligence.

Median sold price in CM3, last 5 years

£440,000

Strong sample. Based on 4,324 sales · Latest sale in data: 24 Jun 2026.

Built from 1,060 matched postcode rows within the postcode area CM3, with best-fit area context in Chelmsford.

Local business

CM3 uses the best-fit area rollup below for a first-pass amenity mix. Use the linked exact postcodes for nearby place checking.

Amenity availability

Convenience score 100/100

Basis: nearest matching geography. Local-business context uses the best-fit local-authority rollup for this partial postcode. Exact nearby places still belong on the linked exact postcode pages.

  • Scope: Best-fit area rollup for CM3
  • Freshness: Source seen 20 Apr 2026
  • Methodology: Open source notes

Amenity group

Food and drink

280 mapped places currently map into this amenity group, led by restaurant (112), fast food (88), cafe (80).

  • Restaurant: 112 mapped places
  • Fast Food: 88 mapped places
  • Cafe: 80 mapped places

Amenity group

Nightlife

125 mapped places currently map into this amenity group, led by pub (113), bar (12).

  • Pub: 113 mapped places
  • Bar: 12 mapped places

Amenity group

Personal services

113 mapped places currently map into this amenity group, led by hairdresser (76), beauty (37).

  • Hairdresser: 76 mapped places
  • Beauty: 37 mapped places

Amenity group

Grocery

108 mapped places currently map into this amenity group, led by convenience (74), supermarket (28), bakery (3).

  • Convenience: 74 mapped places
  • Supermarket: 28 mapped places
  • Bakery: 3 mapped places

Exact postcode follow-up

Use these exact postcode pages to turn the partial postcode rollup into a shortlist you can pressure-test in more detail.

Nearby schools

Use the postcode snapshot to decide whether this place stays on your shortlist, then carry the same geography into the schools flow for side-by-side comparison.

Primary

Boreham Primary School

Primary option in CM3 3DB. Use the schools flow for fuller comparison once you shortlist it.

Primary

Christchurch Church of England Primary School

Primary option in CM3 6JS. Use the schools flow for fuller comparison once you shortlist it.

Primary

Cold Norton Primary School

Primary option in CM3 6JE. Use the schools flow for fuller comparison once you shortlist it.

School comparison

Compare nearby schools

Open side-by-side school comparison for CM3 2GN before you shortlist homes.

Open school comparison

Recommended tool

Check planning again

Use the planning watch tool if you want a faster postcode scan alongside the flagship planning page.

Open planning watch tool

Recommended tool

Check broadband and mobile

Use the broadband and mobile checker to pressure-test everyday connectivity around CM3.

Open broadband checker

Recommended tool

Check flood risk

Use the flood risk checker before you rule a postcode in or out.

Open flood risk checker

Recommended guide

Read postcode and area guides

Browse practical articles that help you compare postcodes like CM3 with the rest of your move shortlist.

Browse articles

Recommended guide

Use viewing and offer planners

Open planners and templates like the viewing checklist, offer planning sheet, and before you move checklist while you assess CM3.

Open planners and templates