Postcode district · Chelmsford
£9,000 heat pump grant in CM3
3,386 homes in CM3 run on oil or LPG, 20.4% of the district. They may qualify for £9,000 towards a heat pump.
How CM3 compares
Heavily off the gas grid
Oil and LPG heating is far more common in CM3 than across England and Wales, so the £9,000 uplift applies to more homes here.
20% of homes here run on oil or LPG, against 4% across England and Wales. That ranks CM3 292 of 718 districts for off-grid heating.
How CM3 heats its homes
Of 16,633 properties with a current certificate.
376 of them are privately rented. The grant closes on 31 March 2027.
Councils covering CM3
Postcode districts do not follow council boundaries. CM3 spans 3 councils.
- Chelmsford 70% of the district
- Maldon 17% of the district
- Braintree 12% of the district
Nearby districts in CM
| District | Post town | Oil | LPG | Share |
|---|---|---|---|---|
| CM9 | Maldon | 1,969 | 117 | 17.5% |
| CM6 | Dunmow | 1,299 | 69 | 13.0% |
| CM7 | Braintree | 1,260 | 72 | 7.9% |
| CM0 | Burnham-On-Crouch | 773 | 130 | 14.5% |
| CM22 | Bishop'S Stortford | 622 | 77 | 12.8% |
| CM5 | Ongar | 500 | 94 | 17.8% |
| CM77 | Braintree | 498 | 23 | 11.1% |
| CM4 | Ingatestone | 325 | 73 | 11.6% |
What to do next
The grant goes to your installer, who claims it for you, so the first step is finding an MCS-certified one who covers CM3. Get the quote before the uplift closes on 31 March 2027: after that the same job is worth £7,500 instead.