Postcode district · Diss
£9,000 heat pump grant in IP21
2,115 homes in IP21 run on oil or LPG, 57.5% of the district. They may qualify for £9,000 towards a heat pump.
How IP21 compares
Heavily off the gas grid
Oil and LPG heating is far more common in IP21 than across England and Wales, so the £9,000 uplift applies to more homes here.
58% of homes here run on oil or LPG, against 4% across England and Wales. That ranks IP21 36 of 718 districts for off-grid heating.
How IP21 heats its homes
Of 3,676 properties with a current certificate.
247 of them are privately rented. The grant closes on 31 March 2027.
Councils covering IP21
Postcode districts do not follow council boundaries. IP21 spans 2 councils.
- Mid Suffolk 50% of the district
- South Norfolk 50% of the district
Nearby districts in IP
| District | Post town | Oil | LPG | Share |
|---|---|---|---|---|
| IP14 | Stowmarket | 3,091 | 210 | 21.9% |
| IP28 | Bury St. Edmunds | 2,551 | 310 | 26.3% |
| IP31 | Bury St. Edmunds | 2,283 | 93 | 31.3% |
| IP22 | Diss | 2,266 | 89 | 29.6% |
| IP13 | Woodbridge | 1,915 | 161 | 31.0% |
| IP29 | Bury St. Edmunds | 1,819 | 150 | 72.2% |
| IP12 | Woodbridge | 1,689 | 250 | 21.4% |
| IP27 | Brandon | 1,741 | 121 | 27.8% |
| IP26 | Thetford | 1,671 | 100 | 57.5% |
| IP30 | Bury St. Edmunds | 1,585 | 66 | 30.1% |
| IP6 | Ipswich | 1,327 | 152 | 23.4% |
| IP9 | Ipswich | 1,259 | 109 | 37.0% |
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 IP21. Get the quote before the uplift closes on 31 March 2027: after that the same job is worth £7,500 instead.