London’s Design & Build Construction Group
United Construction Group is a professional Design & Build contractor delivering high-quality residential, commercial and development-led projects across London and the surrounding areas.
We provide a structured end-to-end service — combining design coordination, project management and construction delivery under one accountable team. Our clients choose UCG for reliability, transparency and consistently high construction and finishing standards.
What We Deliver
Design & Planning
Comprehensive architectural design coordination, local planning authority management, and engineering details engineered for seamless builds.
Learn MoreLoft Conversions
Maximising underutilised roof spaces with bespoke master suites, guest rooms, and structural glazing details that draw natural light inside.
Learn MoreHouse Extensions
Sleek side-returns and rear extensions designed to open kitchens and family spaces into landscaped areas.
Learn MoreBasement Conversions
High-end excavation solutions that introduce media halls, wellness zones, and structural basements below standard grade.
Learn MoreNew Build Developments
Turnkey luxury homes built from foundation to finishes under rigid quality-assured project timelines.
Learn MoreCommercial Fit-Outs
Premium corporate refurbishments, hospitality fit-outs, and workspace transformations prioritizing premium craftsmanship.
Learn MoreFull Property Refurbishments
Comprehensive interior retrofitting, architectural layout redesigns, and whole-house premium finishings for high-end properties.
Learn MoreWhy United Construction Group
EXPERT CRAFTSMANSHIP
High-quality workmanship delivered with precision, attention to detail and consistently high finishing standards across all projects.
TRANSPARENT PRICING & CLEAR SCOPE
Clear, itemised quotations with defined scopes, allowances and programme clarity — ensuring absolute control with zero grey areas.
DESIGN & BUILD UNDER ONE ROOF
Planning, design coordination, architectural supervision, and structural delivery managed under one single accountable company team.
QUALITY CONTROL & ASSURANCE
Rigorous site management, independent inspections, and exacting engineering checks applied throughout every stage of development.
CLEAR PROJECT COMMUNICATION
Direct dedicated project manager coordinates with consistent weekly updates from project commencement to smooth completion.
RELIABLE PROGRAMME DELIVERY
Strict structural scheduling, milestone planning, and coordinated trades to ensure consistent, timely delivery without compromising quality.
Featured Projects
Our Delivery Process
Initial Consultation & Site Review
We review your site layout, outline architectural feasibility, discuss budget expectations, and plan delivery scopes.
Design, Planning & Pre-Construction
Preparing architectural elevations, managing planning applications, and executing structural engineering schedules.
Scope, Cost & Programme Agreement
Itemising precise quotations and drafting structured programme schedules to ensure absolute cost transparency.
Construction Delivery
Direct project managers coordinate skilled trade operations under rigorous health, safety, and finish inspections.
Completion & Handover
Executing detailed snagging, delivering compliance certifications, and transferring a beautifully finished premium space.
Architectural Quality,
Uncompromised Trust
Accreditations & Certifications
Start Your Project Enquiry
Typical projects from £55,000+ | London & Surrounding Areas
Request ConsultationProject Locations
Project Type
Brief scope details will render elegantly here via interaction script.
Frequently Asked Questions
Design & Build places planning, architectural layout design, structural engineering, cost control, and physical delivery under a single point of accountability. This completely eliminates gaps between architectural concept drawings and site builders, minimises project scheduling risk, and ensures direct pricing feedback from pre-construction to prevent budget overruns.
Yes, entirely. We handle all coordination with London Local Planning Authorities, preparing architectural files, structural surveys, Permitted Development (PD) applications, Full Planning approvals, party wall surveyors where required, and managing ongoing site inspections through Building Control to obtain final completion certificates.
Our typically delivered design-build scopes range from £55,000 up to £1m+. This encompasses full property refurbishments, complex loft conversions, major glass rear extensions, basement structural works, and modern commercial office or retail fit-out projects in and around the Greater London region.
Prior to structural mobilization on site, we draft a detailed Gantt timeline outlining milestones, trade rotations, procurement schedules, and material deliveries. This critical path scheduling is supervised directly by your dedicated Project Manager, ensuring trade coordination runs on time without compromising finish standards.
Yes, UCG has a specialized division covering high-specification commercial fit-outs, executive office transformations, retail refurbishments, and development-led multi-residential housing works, operating under strict corporate CDM safety regulations and timeline requirements.
Simply complete our online project questionnaire in Section 10 with your details, project type, planning status, and desired investment level. Alternatively, call our office directly at 03301 131 338. We will schedule a site consultation and perform a structural assessment to outline structural steps.
Start Your Project Enquiry
Tell us about your project and we’ll review your architectural requirements, site feasibility, planning pathways, and next structural steps.
Project Enquiries
Email Office
Operating Region
London & Surrounding Areas