The CM20 3 postcode sector is within the county of Essex.
Did you know? According to the 2021 Census, the CM20 3 postcode sector is home to a bustling 11,736 residents!
Given that each sector allows for 400 unique postcode combinations. Letters C, I, K, M, O and V are not allowed in the last two letters of a postcode. With 196 postcodes already in use, this leaves 204 units available.
The CM20 3 postal code covers the settlement of HARLOW.
The CM20 3 Postcode shares a border with CM20 2 (HARLOW, Gilston, Eastwick), CM17 0 (HARLOW, Matching Green, Matching Tye), CM17 9 (HARLOW, Newhall, Church Langley), CM18 6 (HARLOW) and CM20 1 (HARLOW).
The sector is within the post town of HARLOW.
CM20 3 is a postcode sector within the CM20 postcode district which is within the CM Chelmsford postcode area.
The Royal Mail delivery office for the CM20 3 postal sector is the Harlow Delivery Office.
The area of the CM20 3 postcode sector is 0.98 square miles which is 2.54 square kilometres or 628.62 square acres.
Map of the CM20 3 Postcode Sector
Explore the CM20 3 postcode sector by using our free interactive map.
| C | M | 2 | 0 | - | 3 | X | X |
| C | M | 2 | 0 | Space | 3 | Letter | Letter |
Official List of Streets
HARLOW (45 Streets)
Unofficial Streets or Alternative Spellings
HARLOW
FOURTH AVENUE PARK COURT PARK LANE POST OFFICE ROAD POST OFFICE WALK TANYARD PLACE THE CHANTRY ADAMS HOUSE ANCIENT TRAIL ANCIENT TRAIL BRIDGE BLACKBUSH SPRINGS CLOCK TOWER ROUNDABOUT COOK SPINNEY TRAIL FOSTER COURT GREEN PARK GREENHILLS LATTON HALL CLOSE MANDELA AVENUE MARDYKE ROAD MARK HALL ROUNDABOUT MINCHEN ROAD MISTLEY ROAD PUFFERS GREEN ROSELYN GARDENSWeather Forecast for CM20 3
Press Button to Show Forecast for Harlow
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 00:00 to 03:00 |  | Overcast | 6.0°C (feels like 4.0°C) | 16.00% | ENE 9 mph |
| 03:00 to 06:00 |  | Light rain | 6.0°C (feels like 3.0°C) | 55.00% | NE 9 mph |
| 06:00 to 09:00 | | Light rain | 6.0°C (feels like 3.0°C) | 59.00% | NE 9 mph |
| 09:00 to 12:00 | | Overcast | 7.0°C (feels like 4.0°C) | 19.00% | NE 11 mph |
| 12:00 to 15:00 | | Overcast | 10.0°C (feels like 8.0°C) | 46.00% | NE 9 mph |
| 15:00 to 18:00 | | Overcast | 12.0°C (feels like 10.0°C) | 46.00% | NE 9 mph |
| 18:00 to 21:00 | | Overcast | 11.0°C (feels like 9.0°C) | 23.00% | NE 9 mph |
| 21:00 to 00:00 | | Overcast | 9.0°C (feels like 6.0°C) | 58.00% | NE 11 mph |
Press Button to Show Forecast for Harlow
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 00:00 to 03:00 |  | Heavy rain | 8.0°C (feels like 5.0°C) | 90.00% | NNE 11 mph |
| 03:00 to 06:00 | | Heavy rain | 8.0°C (feels like 5.0°C) | 89.00% | NNE 11 mph |
| 06:00 to 09:00 | | Heavy rain | 8.0°C (feels like 6.0°C) | 87.00% | N 9 mph |
| 09:00 to 12:00 | | Light rain | 9.0°C (feels like 7.0°C) | 60.00% | WNW 9 mph |
| 12:00 to 15:00 | | Light rain | 10.0°C (feels like 7.0°C) | 56.00% | WNW 11 mph |
| 15:00 to 18:00 | | Overcast | 10.0°C (feels like 7.0°C) | 23.00% | WNW 11 mph |
| 18:00 to 21:00 |  | Cloudy | 10.0°C (feels like 8.0°C) | 10.00% | W 7 mph |
| 21:00 to 00:00 |  | Partly cloudy (night) | 7.0°C (feels like 6.0°C) | 2.00% | SW 7 mph |
Press Button to Show Forecast for Harlow
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 00:00 to 03:00 | | Partly cloudy (night) | 6.0°C (feels like 4.0°C) | 3.00% | SSW 7 mph |
| 03:00 to 06:00 |  | Clear night | 5.0°C (feels like 3.0°C) | 2.00% | SSW 4 mph |
| 06:00 to 09:00 |  | Sunny day | 6.0°C (feels like 4.0°C) | 1.00% | S 7 mph |
| 09:00 to 12:00 |  | Partly cloudy (day) | 11.0°C (feels like 9.0°C) | 3.00% | SSW 9 mph |
| 12:00 to 15:00 | | Cloudy | 14.0°C (feels like 11.0°C) | 9.00% | S 11 mph |
| 15:00 to 18:00 | | Cloudy | 15.0°C (feels like 12.0°C) | 5.00% | S 11 mph |
| 18:00 to 21:00 | | Sunny day | 13.0°C (feels like 11.0°C) | 2.00% | S 9 mph |
| 21:00 to 00:00 | | Clear night | 9.0°C (feels like 7.0°C) | 1.00% | SE 7 mph |
Press Button to Show Forecast for Harlow
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 00:00 to 03:00 | | Clear night | 8.0°C (feels like 6.0°C) | 1.00% | SE 7 mph |
| 03:00 to 06:00 | | Clear night | 7.0°C (feels like 5.0°C) | 4.00% | ESE 7 mph |
| 06:00 to 09:00 | | Partly cloudy (day) | 9.0°C (feels like 7.0°C) | 6.00% | ESE 7 mph |
| 09:00 to 12:00 | | Cloudy | 13.0°C (feels like 12.0°C) | 7.00% | ESE 9 mph |
| 12:00 to 15:00 | | Cloudy | 15.0°C (feels like 13.0°C) | 11.00% | SE 9 mph |
| 15:00 to 18:00 | | Cloudy | 16.0°C (feels like 14.0°C) | 11.00% | SE 9 mph |
| 18:00 to 21:00 | | Cloudy | 14.0°C (feels like 13.0°C) | 10.00% | ESE 9 mph |
| 21:00 to 00:00 | | Cloudy | 11.0°C (feels like 10.0°C) | 15.00% | ESE 7 mph |
Schools and Places of Education Within the CM20 3 Postcode Sector
Bmat Stem Academy
University technical college
Velizy Avenue, Harlow, Essex, CM20 3EZ
Head: Mr Dave Ramsey
Ofsted Rating: Good
Inspection: 2023-01-26 (457 days ago)
Website: Visit Bmat Stem Academy Website
Phone: 01279621570
Number of Pupils: 196
Cooks Spinney Primary Academy and Nursery
Academy sponsor led
Cooks Spinney, Harlow, Essex, CM20 3BW
Head: Mrs Amber Wade
Ofsted Rating: Good
Inspection: 2023-05-24 (339 days ago)
Website: Visit Cooks Spinney Primary Academy and Nursery Website
Phone: 01279437590
Number of Pupils: 461
Freshwaters Primary Academy
Academy sponsor led
School Lane, Harlow, Essex, CM20 3QA
Head: Miss Jackie Diggle
Ofsted Rating: Good
Inspection: 2019-03-19 (1866 days ago)
Website: Visit Freshwaters Primary Academy Website
Phone: 01279454688
Number of Pupils: 419
Harlow College
Further education
Velizy Avenue, Harlow, Essex, CM20 3LH
Head: Mrs Karen Spencer
Ofsted Rating: Good
Inspection: 2019-01-25 (1919 days ago)
Website: Visit Harlow College Website
Phone: 01279868000
Number of Pupils: 0
The Downs Primary School and Nursery
Academy converter
The Hides, Harlow, Essex, CM20 3RB
Head: Headteacher Rob Calderwood
Ofsted Rating: Requires improvement
Inspection: 2023-01-11 (472 days ago)
Website: Visit The Downs Primary School and Nursery Website
Phone: 01279445538
Number of Pupils: 421
House Prices in the CM20 3 Postcode Sector
| Type of Property | 2018 Average | 2018 Sales | 2017 Average | 2017 Sales | 2016 Average | 2016 Sales | 2015 Average | 2015 Sales |
|---|---|---|---|---|---|---|---|---|
| Detached | £474,375 | 4 | £415,000 | 1 | £360,000 | 2 | £529,000 | 2 |
| Semi-Detached | £313,583 | 12 | £357,800 | 15 | £357,313 | 8 | £276,416 | 12 |
| Terraced | £272,903 | 93 | £268,251 | 76 | £253,395 | 86 | £222,086 | 97 |
| Flats | £178,595 | 21 | £160,284 | 28 | £147,148 | 31 | £129,072 | 31 |
Important Postcodes CM20 3 in the Postcode Sector
CM20 3AX is the postcode for Doctors Surgery, Nuffield House, The Stow
CM20 3BW is the postcode for INFANT BUILDING, Cooks Spinney Primary Academy, Cooks Spinney, Cooks Spinney Primary Academy, Cooks Spinney, JUNIOR BUILDING, Cooks Spinney Primary Academy, Cooks Spinney, MAIN BUILDING, Cooks Spinney Primary Academy, Cooks Spinney, and MAIN BUILDING, The Spinney Junior School, Cooks Spinney
CM20 3EZ is the postcode for HAMEC, Harlow College, Velizy Avenue, HAMEC, Harlow College, University Centre Harlow, Velizy Avenue, and BMAT STEM Academy, Velizy Avenue
CM20 3LH is the postcode for BLOCK J & K, Harlow College, Velizy Avenue, BLOCK B, Harlow College, Velizy Avenue, BLOCK UCH, Harlow College, Velizy Avenue, BUILDING B, Harlow College, Velizy Avenue, BLOCK I CONSTRUCTION, Harlow College, Velizy Avenue, BLOCK D, Harlow College, Velizy Avenue, BLOCK A & N, Harlow College, Velizy Avenue, BLOCK C, Harlow College, Velizy Avenue, BLOCK H, J & K BLOCK H, J & K, Harlow College, Velizy Avenue, BLOCK H, J & K, Harlow College, Velizy Avenue, BLOCK M, Harlow College, Velizy Avenue, BLOCK E, Harlow College, Velizy Avenue, BLOCK I, Harlow College, Velizy Avenue, and BLOCK L, Harlow College, Velizy Avenue
CM20 3NT is the postcode for Sydenham House, Monkswick Road
CM20 3QA is the postcode for MAIN BUILDING, Freshwaters Primary Academy, Freshwaters, and Freshwaters Primary Academy, Freshwaters
CM20 3RB is the postcode for NEW BUILDING, The Downs Cp School, The Hides, NEW BUILDING, The Downs Primary School & Nursery, The Hides, OLD BUILDING, The Downs Cp School, The Hides, and OLD BUILDING, The Downs Primary School & Nursery, The Hides
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| The CM20 3 Sector is within these Counties |
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| The CM20 3 Sector is within these Water Company Areas |
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