The systems behind
better buildings.
From plumbing and electrical installations to repairs, upgrades and ongoing maintenance, BSL Construction delivers reliable mechanical and electrical services as part of a wider construction project or as a standalone service.
One team. Multiple disciplines.
The technical work
you can rely on.
The systems inside a building matter just as much as the structure around them. Our mechanical and electrical teams deliver practical, compliant and carefully coordinated work that keeps properties safe, comfortable and working as they should.
Whether you're building a new home, extending an existing property, refurbishing a commercial space or simply need a reliable team for repairs and maintenance, we bring the same attention to detail and professional standard to every project.
Our Services
Mechanical &
Electrical Services
From essential installations to ongoing maintenance, explore the services our team provides across London.
Plumbing
From a dripping tap to a full first-fix, our qualified plumbers and Gas Safe registered engineers handle domestic and commercial plumbing under one accountable team — installed to water regulations, pressure-tested, and backed by a 12-month workmanship guarantee.
Heating
Boiler installations and replacements, heat pumps, full central heating systems, radiators, underfloor heating, servicing and repairs — carried out by Gas Safe registered engineers, commissioned properly, and backed by a workmanship guarantee.
Air Conditioning
Design, supply and installation of air conditioning and ventilation for homes, offices, retail and server rooms — F-Gas registered, cleanly installed, and maintained.
Electrical
Rewires, consumer units, additional circuits, lighting, EV chargers, testing and fault-finding — carried out by qualified electricians and certified to BS 7671, with the Building Regulations notification handled for you.
Water Regulations
Advice, installation and remedial work to meet the Water Supply (Water Fittings) Regulations 1999 — backflow protection, correct fittings and materials, and the paperwork your water supplier expects.
RPZ Testing
Installation, commissioning and annual testing of RPZ (reduced pressure zone) backflow prevention valves — carried out by an accredited tester, with certificates and reminders so compliance never lapses.
Why BSL
Technical expertise.
Properly managed.
One accountable team
When mechanical and electrical work forms part of a larger construction project, our teams work together from the start. That means fewer delays, better coordination and one point of contact.
Built around your property
Every building has different requirements. We assess the property, understand the scope and recommend the right approach rather than forcing every project into the same template.
Quality from first fix to final test
We focus on getting the details right at every stage — from installation and coordination through testing, certification and final handover.
Our Approach
Simple process.
Professional results.
Understand
We listen to your requirements, assess the property and establish exactly what needs to be done.
Plan & Coordinate
We agree the scope, coordinate the relevant trades and plan the work around your property and programme.
Deliver
Our team completes the agreed installation, repair or maintenance work with care and attention to detail.
Test & Complete
We carry out the necessary checks and testing, complete the final details and leave you with a finished result you can rely on.
Start Your Project
Need reliable
mechanical or
electrical support?
Tell us what you need and our team will help you understand the right approach, scope and next steps.
Request a Quote→