POSTCODE DECISION REPORT

CM20 postcode decision report

Useful shortlist area

CM20 currently groups 359 live postcode rows with best-fit area context in Harlow. Aggregate median sold price reads at £302,000 across 1,927 recorded sales. Gigabit availability in the best-fit area is 94% with median download at Unavailable. 4G strong coverage reaches 100% and 5G reaches 73.3% 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 22 school rows for shortlist review.

Live postcode rollup with area connectivity and planning context | Sold prices through 18 Jun 2026 · Broadband source year 2024 · Mobile source year 2025

  • Matched postcodes 359Live postcode rows grouped under CM20
  • Median sold price in CM20, last 5 years £302,000Based on 1,927 sales · Latest sale in data: 18 Jun 2026
  • Best-fit area HarlowUsed 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 22 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 CM20, last 5 years

Strong sample

Strong sample. Based on 1,927 sales · Latest sale in data: 18 Jun 2026.

Connectivity

Gigabit 94%

Gigabit availability is 94%, with median download at Unavailable and below-USO share at 0%. 4G strong-coverage share is 100%, with 5G at 73.3% in the current area-level summary.

Planning

No nearby matches

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

Schools

22 nearby school rows

The leading exact postcode follow-up currently links 22 school rows for shortlist review.

Transport

360 mapped stops

Harlow currently links 360 mapped transport stops, including 5 rail or metro stops. Use the linked exact postcode pages to check stop proximity more precisely inside CM20.

Local business

Score 100/100

Harlow currently links 240 mapped local businesses across 8 tracked categories. Top amenity groups include 73 food and drink, 45 retail, 44 grocery. The current amenity availability signal scores 100/100.

Jobs

749 online job adverts observed

Harlow local authority · May 2026. Same geography one year earlier: 947 online job adverts observed in May 2025.

Exact postcode follow-up

10 linked postcodes

Start with CM20 2UD, Harlow and then work through the other 9 linked postcodes for exact due diligence.

Median sold price in CM20, last 5 years

£302,000

Strong sample. Based on 1,927 sales · Latest sale in data: 18 Jun 2026.

Built from 359 matched postcode rows within the postcode area CM20, with best-fit area context in Harlow.

Local business

CM20 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 CM20
  • Freshness: Source seen 20 Apr 2026
  • Methodology: Open source notes

Amenity group

Food and drink

73 mapped places currently map into this amenity group, led by fast food (34), restaurant (21), cafe (18).

  • Fast Food: 34 mapped places
  • Restaurant: 21 mapped places
  • Cafe: 18 mapped places

Amenity group

Retail

45 mapped places currently map into this amenity group, led by clothes (24), diy (7), mobile phone (7).

  • Clothes: 24 mapped places
  • Diy: 7 mapped places
  • Mobile Phone: 7 mapped places

Amenity group

Grocery

44 mapped places currently map into this amenity group, led by convenience (26), supermarket (10), bakery (6).

  • Convenience: 26 mapped places
  • Supermarket: 10 mapped places
  • Bakery: 6 mapped places

Amenity group

Nightlife

29 mapped places currently map into this amenity group, led by pub (27), bar (2).

  • Pub: 27 mapped places
  • Bar: 2 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

Cooks Spinney Primary Academy and Nursery

Primary option in CM20 3BW. Use the schools flow for fuller comparison once you shortlist it.

Primary

Freshwaters Primary Academy

Primary option in CM20 3QA. Use the schools flow for fuller comparison once you shortlist it.

Primary

Little Parndon Primary Academy

Primary option in CM20 1PU. Use the schools flow for fuller comparison once you shortlist it.

School comparison

Compare nearby schools

Open side-by-side school comparison for CM20 2UD 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 CM20.

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 CM20 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 CM20.

Open planners and templates