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FAMILY-RUN. BUILT AROUND PEOPLE.
Practical spaces created for real family life.
MBP Construction Converted Modular Units is a family-run UK business with over six years' experience supplying high-quality converted and modular buildings. From our London office and Leyland workshop, our close-knit team coordinates sourcing, secure paperwork, customisation, delivery, installation and aftercare throughout the UK.
Our units help families create space for what matters—garden rooms, home offices, guest accommodation and independent living spaces for older relatives or grown-up children.
Through our UK storage and logistics network, we can offer customers more sizes, layouts and competitive price points while maintaining personal, dependable service from the first enquiry through to final handover.
Clerkenwell Central London
- • Sales and quotations
- • Logistics and delivery coordination
- • Marketing
- • Customer service and aftercare
- • General office administration
King Street London
Engineering & Technical Project Support
- • Engineering consultations
- • Technical specifications and planning
- • Bespoke unit requirements
- • Structural and fabrication coordination
- • Installation and technical project support
Leyland Lancashire
Registered Office & North West Operations
Our North West fabrication, workshop and yard operations. Viewings are strictly by prior appointment only.
Accounts Department
Account Services
admin@accountservicesltd.com- • Invoices and receipts
- • Payment enquiries and confirmations
- • Customer account administration
- • Refund administration
Company Details
Viewings
Viewings are by appointment only for security and site-access reasons. Photographic identification may be required before entering any working yard, warehouse, storage facility or operational site.
Specialist Support
Engineering & Technical Project Support
Our Engineering & Technical Project Support team at King Street London provides engineering knowledge, technical project support and coordination for selected converted-unit and modular projects.
The King Street engineering and technical team works closely with the wider MBP operation where projects require additional engineering input, technical planning, structural considerations, bespoke fabrication requirements or specialist project coordination. This gives customers access to additional technical expertise alongside our sales, fabrication, delivery and installation teams.
What the Engineering & Technical Team Supports
- Engineering consultation
- Technical specifications and planning
- Bespoke unit requirements
- Structural and fabrication coordination
- Commercial and specialist projects
- Technical problem solving
- Pre-production project review
- Installation and technical project support
One Family-Affiliated Network
- Different specialist teams working together
- Leyland Lancashire — registered office & North West operations
- King Street London — Engineering & Technical Project Support
- Clerkenwell Central London — sales, logistics, customer service & aftercare
- Account Services — Accounts Department
- Delivery, crane and installation coordination nationwide
Customer Reviews
What Our Customers Say
James Carter — Manchester
Garden Room Customer
“Really pleased with the finished unit. Delivery was straightforward and the team kept us updated throughout.”
Sarah Mitchell — Leeds
Modular Office Customer
“We needed extra office space quickly and the finished unit was exactly what we required.”
David Robertson — Glasgow
Converted Container Customer
“Good communication from order through to delivery. The unit arrived as described and was ready to use.”
Emma Collins — Birmingham
Garden Office Customer
“The quality was better than we expected for the price. It has completely changed how I work from home.”
Rachel Hughes — Liverpool
Salon Unit Customer
“MBP helped us turn the idea into a usable salon layout. Very happy with the finished result.”
Mark Wilson — Sheffield
Site Office Customer
“Simple process, clear pricing and delivered when agreed. We would use MBP again.”
Paul Harrison — Newcastle
Garden Room Customer
“We looked at several companies before ordering. MBP offered the best combination of specification and price.”
Rebecca Taylor — Nottingham
Modular Building Customer
“The team answered our questions quickly and kept the project moving. Everything was explained clearly.”
Andrew Morgan — Bristol
Office Unit Customer
“The unit looks professional and gives us the additional workspace we needed without a major building project.”
Claire Stewart — Edinburgh
Converted Unit Customer
“From the first enquiry to installation, the process was easy. Very pleased with the unit and the service.”
Find Us
Our Location
Our working yard and viewing location in Lancashire, England. Viewings are by appointment only — please contact us to arrange a visit.

Aerial view of our working yard in Lancashire, England. Viewings are by appointment only.
