
Our Services
We offer a comprehensive range of construction and building services tailored to the needs of residential, commercial, and industrial clients. Our expertise covers everything from new builds and large-scale renovations to extensions and interior fit-outs — all delivered with a focus on quality, efficiency, and precision.We provide full project management and site supervision to ensure every stage runs smoothly, on time, and on budget. Our team also handles all aspects of planning, permitting, and regulatory compliance, offering a seamless experience from initial concept through to final handover.Whether it’s structural work, bespoke design-and-build solutions, or complex refurbishments, we bring a thoughtful, hands-on approach to every project. At Build 121, we’re committed to craftsmanship, safety, and lasting results — building spaces that are not only functional, but built to stand the test of time.



Residential
Construction
New-build homes
Home extensions and loft conversions
Full refurbishments and renovations
Garden rooms, outbuildings, and external works

Commercial
Construction
Retail and office fit-outs
Hospitality spaces (cafés, restaurants, bars)
Mixed-use developments
Refurbishment of commercial properties

Design&Build Solutions
Seamless design-and-build delivery
Close collaboration with our sister company, Design 121
Fully managed, bespoke solutions from concept to completion

Project Management
End-to-end construction oversight
Programme and budget control
Site coordination and supervision
Contractor and trades management
Structural Works & Alterations
Foundations and structural modifications
Internal reconfigurations and wall removals
External facades and envelope enhancements
Planning & Compliance
Planning application support
Building control and regulation compliance
Health & safety management
Guidance on sustainability and building standards