Design starts with the load: a heat loss calculation for the building, its occupancy and opening hours, how much hot water it uses and whether any spaces need cooling. From that we propose plant sizes and positions, on a roof, in a yard or in a plant enclosure, with the structural, electrical and noise checks each position needs. Larger plant may need a three-phase supply, which the network operator may need to provide or confirm.
Offices and shops in West Glamorgan with a flat roof or rear yard often have space for outdoor plant, checked for structure and access. Premises in West Glamorgan close to homes need careful plant siting and, where required, an acoustic assessment. Businesses across West Glamorgan can arrange a site survey of premises in West Glamorgan before any equipment is specified.
Who it suits
- Landlords and managing agents planning low-carbon upgrades
- Buildings with roof or yard space for outdoor plant
- Blocks of flats and houses in multiple occupation needing shared or per-flat systems
- Premises that also want cooling in some areas
Grants and rules for heat pumps in Wales
Homes in West Glamorgan can use the Boiler Upgrade Scheme, which applies in Wales as well as England: £7,500 towards an air source heat pump, or £9,000 when it replaces oil or LPG heating for installations from 21 July 2026 to 31 March 2027. The MCS-certified installer named in your quote applies and deducts the grant.
Installing heat pumps is zero-rated for VAT across the UK until 31 March 2027. Wales has its own permitted development rules for air source heat pumps, so we check what applies to your property, including listed building and conservation-area constraints, at the survey.
Prices
Commercial systems are priced after a site survey and load calculation.
Towns we cover in West Glamorgan
We cover 8 towns in West Glamorgan for commercial heat pump installation. Each links to local guide prices and the grant position for Wales.
| Town | Postcode district | Nearest town | Midwinter daylight |
|---|---|---|---|
| Swansea | SA1 | Mumbles | 7 h 48 min |
| Neath | SA10 | Briton Ferry | 7 h 48 min |
| Briton Ferry | SA12 | Neath | 7 h 48 min |
| Gorseinon | SA4 | Swansea | 7 h 48 min |
| Clydach | SA6 | Pontardawe | 7 h 48 min |
| Mumbles | SA3 | Swansea | 7 h 49 min |
| Pontardawe | SA8 | Clydach | 7 h 47 min |
| Port Talbot | SA12 | Briton Ferry | 7 h 49 min |
Commercial heat pump installation questions
What is a cascaded heat pump system?
A cascaded system links two or more outdoor heat pump units to one controller, which runs as many units as demand needs. On mild days one unit might run; on cold days all of them. This keeps each unit working efficiently, spreads wear across the units and means heating can usually continue at reduced output if one unit needs repair or servicing.
How much does a commercial heat pump cost?
Commercial heat pumps are priced after a site survey, because cost depends on the building's heat load, the number and size of units, where the plant goes, access, and any changes to the heating system inside. We then give a written quote setting out the equipment, the programme and what is included. There is no reliable guide price for commercial work without seeing the building.
Can you install without closing the business?
Usually, yes. Outdoor plant, pipework and controls can often be installed while the existing heating still runs, with the switchover planned for a short window, such as a weekend or a quieter time of year. Work inside occupied areas can be phased. The programme in your quote sets out what happens when, so you can plan staff and customers around it.
Are there grants for commercial heat pumps?
It depends on the building, its size and use, who owns it and which nation it is in, and the rules differ from those for homes. We check at survey whether any scheme applies to your building in England, Wales, Scotland or Northern Ireland, and we do not include a grant in the quote unless eligibility has been confirmed.

