Ipswich is Suffolk's county town, and its housing runs from Victorian terraces around the town centre and waterfront to substantial interwar and post-war suburbs out towards Kesgrave and Martlesham. The town is largely on mains gas, so most Ipswich homes fall under the standard £7,500 Boiler Upgrade Scheme grant — but the surrounding Suffolk villages include plenty of off-gas-grid properties on oil, where the £9,000 rate applies. Installers covering the IP postcodes tend to be East Anglian firms working across the Suffolk, Norfolk and north Essex border rather than national operators.
£7.5k–£9k
Before you get quotes, check what grant you qualify for — most Suffolk homes get £7,500, off-grid oil/LPG homes now get £9,000. 60-second calculator →
1AA Electrical
Coverage: Ipswich, Woodbridge, Felixstowe, Kesgrave, Martlesham and Bury St Edmunds, from a base at Martlesham
Visit website →States "We are MCS accredited, and do not employ sale-people", and publishes an MCS registration number on the same page. States that it installs air source heat pumps for homes across the Ipswich and Woodbridge area, and describes guiding customers through quotation and installation.
Air source heat pumpsQuotation and installation
Certification claims are the installer's own — verify on the official MCS register. From the installer's public website, last checked 2026-08-30.
2Hemsley Heatcare
Coverage: Ipswich and the wider Suffolk, Norfolk and East Anglia area, from a base in Lowestoft
Visit website →States "We hold MCS certification, the gold standard for heat pump installers across Norfolk, Suffolk, and the UK", adding that this means its work meets quality and safety standards and that customers can claim government grants such as the Boiler Upgrade Scheme. States that it has installed air source heat pumps across Norwich, Ipswich and beyond, covering system design and upgrades as well as new installations.
Air source heat pumpsSystem designSystem upgradesBUS grant guidance
Certification claims are the installer's own — verify on the official MCS register. From the installer's public website, last checked 2026-08-30.
3Trades Team
Coverage: Ipswich, Felixstowe, Bury St Edmunds and Suffolk county-wide, plus Essex, from a base at Nayland near Colchester
Visit website →States that it provides "MCS-certified air source heat pump installation, servicing and repairs for homes across Essex and Suffolk", and that its MCS certification means every installation meets government-recognised quality standards required for the Boiler Upgrade Scheme grant. States that it uses directly employed engineers rather than subcontractors, covering survey and design through to commissioning and servicing.
Air source heat pumpsServicing and repairsSurveys and system designBUS grant handling
Certification claims are the installer's own — verify on the official MCS register. From the installer's public website, last checked 2026-08-30.
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