Architect-Led Builders in Bromley.
Residential Construction · BR1 & South East London
Integral Builders are residential builders working across Bromley on house extensions, loft conversions, and full house refurbishments. We work closely with architects and homeowners, run each project with a dedicated manager, and finish to the standard that the borough's larger period and suburban homes deserve.
15+ Years
Residential Construction
Architect-Led
RIBA Stage 3–6
SW18
Town · Earlsfield · Between the Commons
Trusted
Which? Verified Trader
Locally Active
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Residential Builders Working Across Bromley
Bromley is the largest and greenest of the London boroughs, and its housing reflects that space. Much of the stock is generous: large 1930s detached and semi-detached homes in Bickley and Chislehurst, Edwardian villas around Beckenham, and Victorian houses near Bromley North and Sundridge Park. These are homes with room to grow, which is why so much of our Bromley work involves adding to and reworking family houses rather than starting from scratch.
As residential builders in Bromley, we take on the projects these properties call for — two-storey extensions across wider plots, loft conversions on suburban semis, and full refurbishments of period homes. We work alongside the architects, designers, and homeowners active across BR1, BR2, and the surrounding areas, turning drawings into a finished home that holds up.
Architect Collaboration
We work with your architect from the drawings through to handover, keeping the design intact along the way.
Technical Execution
Structural work, services, joinery, and glazing done properly — the parts you don't see are the parts that last.
Local Knowledge
A working understanding of Bromley Council planning, the borough's conservation areas and its housing character.
Quality Craftsmanship
A directly employed core team and a trusted set of specialist trades, so the same standard runs through every job.
Our Capability
Our Services Across Wandsworth.
From single-storey rear extensions to whole-house refurbishments, we deliver high-end residential construction on Bromley homes.
Local Expertise
How Bromley's Homes and Planning Actually Work.
Being a good building contractor in Bromley means more than knowing how to build. It means understanding a borough where more than half the land is Green Belt, where planning is shaped by an Urban Design Guide, and where several neighbourhoods carry Areas of Special Residential Character designations that ask new work to sit comfortably alongside the existing street. Bromley Council also protects a large number of conservation areas, so the first question on any project is where the property sits.
It also means reading each area for what it is. The big detached houses of Bickley and Chislehurst handle two-storey extensions well. The Edwardian and Victorian homes of Beckenham and Bromley North reward careful restoration. Suburban semis across the borough are natural candidates for loft conversions. We bring that reading to every brief, and we check the planning position before anyone picks up a tool.
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Bromley Conservation Areas
Design responses that suit the borough's conservation areas and Areas of Special Residential Character, worked out with the architect and, where needed, a heritage consultant.
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Bromley Council Planning
A practical grasp of local planning policy, Permitted Development, Green Belt constraints, and what the council looks for in a householder application, helping homeowners plan and progress their projects with greater confidence.
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Party Wall & Neighbours
Full Party Wall coordination, which matters as much for a two-storey extension on a Bromley semi as it does for a terrace, so neighbour relationships stay intact.
Project Delivery
Professionally Managed Project Delivery
A structured, four-stage delivery process — applying commercial construction discipline to bespoke residential projects across Bromley.
01
Briefing
Initial Consultation
A private consultation at your Bromley home to understand the brief, the design, and who else is already involved.
• Site visit and design review
• Feasibility discussion
• Early cost guidance
02
Pre-Construction
Planning & Coordination
We work with your architect, engineer, and any planning consultant, and set out a detailed cost plan and programme before work starts.
• Architect and engineer liaison
• Cost programme planning
• Bromley Council & Party Wall
03
On Site
Construction Phase
A dedicated project manager runs the build to the programme, with weekly written reports and proper quality control.
• Weekly progress reporting
• Quality and health & safety
• Coordinated trade sequencing
04
Closeout
Completion & Finishing
A full snagging process, certification, handover documentation and an aftercare period once you're back in.
• Detailed snagging and sign-off
• Certification and warranties
• Aftercare and support
Recent Projects in Bromley
Recent Work
Recent Projects in Bromley
One recent scheme that shows how we work: architect-led, well run, and finished to a high standard.
Case Study
A two-storey extension and full refurbishment of a 1930s home in Bickley.
A 1930s detached house in Bickley, extended and reworked from top to bottom with the family's appointed architect. The plan added a two-storey rear extension for a larger kitchen-diner below and a new bedroom and bathroom above, alongside a loft conversion and a full refurbishment of the existing house.
The work threw up the usual questions of an older property: foundations that needed checking before the new structure could sit on them, a roof reworked to take the loft, and services brought up to current standards throughout. We phased the build so the family could stay in part of the house, agreed Party Wall terms with both neighbours early, and matched the new brick and tile to the original so the extension reads as part of the house rather than an addition.
Scope
Two-storey rear extension · loft conversion · full refurbishment
Collaboration
Architect-led, interior designer
Footprint
55m² added · whole-house refurbishment
Finish
Matched brickwork · restored period detail
“The builders followed the architectural plans to the letter and we could not be happier with the result, the detail, and the quality of the finish. When problems came up, as they always do on a project like this, they owned them and sorted them out.”
The Integral Difference
Why Bromley Homeowners Choose Integral Builders.
Architects and homeowners across Bromley come back to us for the same reasons — a calm, organised approach and a build that's actually run like a proper job.
High-End Residential Expertise
Residential construction is our speciality. Our experience across extensions, loft conversions and full refurbishments allows us to deliver consistently high standards across Bromley projects.
Experienced Project Coordination
Every project has a dedicated manager, a clear programme, regular written progress reports and scheduled valuations, keeping the build organised from start to finish.
Collaborative with Architects
We work closely with architects and designers, taking time to understand the drawings and specifications and ensuring the original design intent is maintained throughout construction.
Local Bromley Knowledge
Our understanding of Bromley Council, local planning requirements, conservation areas and the character of the borough helps us approach each project with practical local knowledge.
Quality Workmanship
Our core team works alongside carefully selected specialist trades to maintain high standards of workmanship. Every project is completed with attention to detail and backed by our workmanship guarantee.
Reliable Communication
You will have a clear point of contact throughout the build, with regular written updates, scheduled valuations and straightforward communication, so you always know what is happening.
Structured Delivery
From buildability input at RIBA Stage 3 through to completion at Stage 6, we follow a structured process designed to keep decisions, costs and construction moving in the right direction.
Single Principal Contract
Whether you are planning an extension, loft conversion or whole-house refurbishment, we provide one principal contract, one programme and one point of responsibility.
Considered Programme & Sequencing
We plan construction around the practical realities of your home and family life. Careful sequencing helps minimise disruption while keeping the project moving towards a high-quality finish.
Frequently Asked Questions
Talk to Us About Your Bromley Project. With Our Team.
A Straightforward Conversation
Every project starts with a proper conversation about your home, your brief and what you want to achieve. We're happy to hear from architects, interior designers, project managers and homeowners alike.
Send us your brief, and we'll come back with a sensible next step - no pressure, no obligation.