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Retrofit Assessment Solar PV & EESS Heat Pumps Commercial Electrical EV Charging
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About Us

Built on doing things properly.

An NICEIC approved electrical contractor and MCS certified renewable energy installer, based in Lancashire and working right across the UK.

One company. The whole job.

Three Phase Contractors started six years ago with a straightforward idea. Instead of splitting the work between an assessor, a coordinator, a solar installer, an electrician and an insulation company, we'd do the lot ourselves. One team, one contract, one point of contact from the first survey right through to the final lodgement.

We're based at Landwick Court in Altham, Lancashire. The company has evolved a lot since those early days — more people, more accreditations, bigger programmes, wider reach. But the values haven't shifted. Turn up when you say you will. Do the job properly. Don't cut corners. Don't leave until the compliance is watertight. Every person on site is a Three Phase employee. Our people carry out the Solar PV, heat pump, storage heater, insulation and electrical work themselves. All staff are DBS checked.

As a full-service electrical contractor we also carry out rewires, consumer unit upgrades, fire alarm systems, intruder alarms, emergency lighting, periodic inspection and testing, and EV charger installations. Whether it's a funded retrofit programme or a commercial electrical project, the same qualified team delivers the work.

We go where the work takes us. From Scotland to Penzance, properties that are off gas and difficult to reach. We look after the logistics and accommodation so our teams can deliver the same standard of work wherever the property happens to be.

When a council or housing association appoints us, they get one company doing the lot. The assessment, the coordination, the installation, the paperwork. One point of contact from start to finish.

The track record speaks for itself.

6 Years
Established and growing every year since
731+
Measures installed through the CHiL framework
15
Lancashire councils on our framework
100%
Our own employees on every single site

Delivery partner, not subcontractor.

Most retrofit programmes involve separate companies for assessment, coordination and installation. Different contracts, different points of contact, and nobody with full accountability for the end result. We do things differently.

Every person on site is ours

The same team each week, building trust with the householders they're working for. Our lads know the sites, they know the programme, and they take pride in the work.

Assessment to lodgement, under one roof

PAS 2035 Retrofit Assessors, Coordinators, MCS certified installers and NICEIC approved electricians. All on the same payroll. When the assessor writes the improvement plan, it reflects what our installers can actually deliver on site.

Audit ready before we leave

TrustMark lodgement, MCS certification, EPC updates and all supporting documentation. Every job is photographed, evidenced and ready for audit. When Ofgem or your compliance team check the paperwork, it's all there.

Scotland to Penzance

Properties that are off gas and hard to get to. We look after the logistics and accommodation so our teams can deliver the same standard of work wherever the property happens to be. Ferries, materials, accommodation — all sorted before we arrive.

Accreditations and Certifications
MCS Certification
MCS
Microgeneration Certified
NICEIC Approved
NICEIC
Approved Contractor
PAS 2035
PAS 2035
Retrofit Standard
HIES
HIES
Consumer Protection
ISO Certified
ISO Certified
9001 · 27001 · 45001
SWIP IWI
SWIP IWI
Insulation Warranty
Construction Online
Constructionline
Verified Member
MCS Certification
MCS
Microgeneration Certified
NICEIC Approved
NICEIC
Approved Contractor
PAS 2035
PAS 2035
Retrofit Standard
HIES
HIES
Consumer Protection
ISO Certified
ISO Certified
9001 · 27001 · 45001
SWIP IWI
SWIP IWI
Insulation Warranty
Construction Online
Constructionline
Verified Member
Want to work with us?

Whether it's a retrofit programme, a commercial electrical project, or a domestic installation, we'd like to hear from you. Drop us a line and we'll have a straightforward conversation about what you need.

5 Landwick Court, Metcalf Drive, Altham, Lancashire BB5 5GY
What happens next
1We come back to you within one working day
2We have a straightforward conversation about what you need
3We put together a clear plan and get to work
Send us an enquiry
We'll come back to you within one working day.