9 articles tagged with MCS
MCS assessments now place more emphasis on delivered quality while still requiring evidence of processes and controls. What to have ready before your certification body calls.
Jamie Duncan
14 September 2026
Warm Homes work runs on two separate certification regimes, and which one applies depends on the measure you install, not the scheme you are bidding into. Here is how the split works.
Jamie Duncan
4 September 2026
England relaxed permitted development for air source heat pumps, but the right hinges on an MCS 020 noise assessment under 42 dB(A). A practical guide for UK installers on what changed and where jobs slip into a full planning application.
Jamie Duncan
18 July 2026
MCS is moving every certified installer onto its redeveloped scheme through 2026. The three business roles you must assign, the risk-based assessment model, and what to have ready before your certification body starts your transition.
Jamie Duncan
6 July 2026
What an MCS-certified solar installer has to produce by commissioning sign-off - MIS 3002 evidence, IEC 62446 tests, the EIC, DNO notification, MID registration within 10 working days, and a handover pack that unlocks the customer's SEG application.
Jamie Duncan
2 July 2026
Real income numbers for MCS-certified heat pump installer businesses in 2026. Day rates, annual turnover, BUS grant impact, and what a 5-person team can realistically earn.
Ben Clarke
29 June 2026
MIS 3005 split into two documents on 1 April 2022 - one for design, one for installation. Most growing UK heat pump installers still treat them as one workflow, and that's where the data leaks. A practical guide to the design-to-install handoff for scaling installers.
Jamie Duncan
11 May 2026
Commissioning is where heat pump jobs get signed off - and where margin and customer satisfaction most often leak. A practical playbook for growing UK installers on MIS 3005, the MCS Installation Database, BUS V5 voucher applications and redemption, and clean handover.
Jamie Duncan
28 April 2026
MCS is not a legal requirement, but without it your customers lose the Boiler Upgrade Scheme and you lose most of the residential market. What certification covers, what the process involves, and what it actually costs.
Felix Rusby
1 July 2024