RCB Design & Build Principal Contractor

RCB Design & Build Principal Contractor As builders we are aware that stunning design is as important as construction and we strive to do both, contracting only the best tradesmen in both areas.
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Fully insured Design & Build specialist covering Residential, Commercial & Bespoke projects from planning to handover Lofts, extensions, refurbs, kitchens, bathrooms, HMOs & more managed with structure, clarity & accountability Serving London, Kent, Essex We want our clients, be they residential or commercial, to reside or work in properties that were lovingly built by us with their needs in mind

every step of the way. We have a reputation to maintain as the foremost building specialists and we are always aware that we owe our clients the very best. We have an enviable set of references and our clients trust us. We have worked with high-profile architects, surveyors and trade specialists and an expert hand completes every building project. Whether you require painting & decorating, repairs, extensions or renovation, you can be assured that our team of builders will provide the very best service, using state of the art equipment and materials all to a personalised quotation that is concise, fair and will not break the bank. We offer a seamless construction service and over recent years we have grown in size and reputation. All of our building work is fully insured and adheres to the strictest building regulations. Whether you need a loft conversion, office refurbishment or bathroom fitting, give one of our expert builders a call today.

Another home about to go through a complete transformation.Today our team started the first stage of this kitchen renova...
04/03/2026

Another home about to go through a complete transformation.

Today our team started the first stage of this kitchen renovation and ground floor refurbishment — and as always, it begins with the strip-out.

Before the new design, the new kitchen, and the new layout can happen…

Everything has to come out first.

Cabinets.
Worktops.
Old finishes.
Anything that no longer works for the space.

Because the truth about renovation projects is simple:

You can’t build something better until you remove what’s already there.

Over the coming weeks this property will go through a full transformation — and we’ll be sharing the progress as it happens.

From demolition to final finish.

At RCB Design & Build | A2Z Principal Contractor, we manage the entire process:

Design
Structural works
Refurbishment
Full project delivery

One team, one plan, one responsibility.

📍 London | Kent | Essex

Planning a house renovation, extension, loft conversion or kitchen refurbishment?

Send us your plans and let’s talk.




Concrete down. Structure secured. Now the real build begins.This is a live rear extension + structural alteration projec...
26/02/2026

Concrete down. Structure secured. Now the real build begins.

This is a live rear extension + structural alteration project —
with fresh concrete slab poured and structural steel (RSJs) installed to open up the space.

🔍 What you’re seeing here:

New ground floor slab prepared and poured
Structural steel beams installed to support upper loads
Large opening created for future glazing / open-plan layout
Existing structure carefully retained and stabilised
Site prepared for next phase: walls, insulation, services, and internal build

⚠️ This stage is where projects are won or lost.

Get the structure or groundwork wrong, and you’ll deal with:
❌ Cracking floors
❌ Movement issues
❌ Delays and unexpected costs

At RCB Design & Build | A2Z Principal Contractor, we build from the ground up — properly.

Design + Structural Engineering + Build — all coordinated
Correct groundwork and load-bearing setup from day one
Full compliance with Building Regulations
Delivered with structure, clarity, and accountability
We don’t rush this stage — because this is what everything else depends on.

💡 Planning an extension, refurbishment, or structural alteration?

Before you think about finishes —
make sure your structure and foundations are done right.

📩 Send us your address, plans, or ideas
📞 Let’s plan it properly from day one

📍 London | Kent | Essex

24/02/2026
The stage that determines whether your project succeeds… or fails.This is a live loft conversion with structural steel i...
24/02/2026

The stage that determines whether your project succeeds… or fails.

This is a live loft conversion with structural steel installation (RSJs) currently in progress.

Before plasterboard, before finishes —
👉 this is where the real work happens.

🔍 What you’re seeing here:
Structural steel beams installed to support new loads
New timber floor structure integrated into the steel frame
Existing walls and chimney carefully retained and stabilised
Full setup aligned with structural engineer design

Prepared for Building Control approval and next stages

⚠️ Most issues in construction don’t start at the end…
they start here — at structural stage.

This is where poor planning leads to:
❌ Cracks and movement
❌ Budget increases
❌ Delays and rework

✅ At RCB Design & Build | A2Z Principal Contractor, we do it differently:
Design + Structural Engineering + Build — all under one roof
Clear scope before work starts (no guesswork)
Full compliance with Building Regulations
Delivered with structure, clarity, and accountability

We don’t aim to be the cheapest —
we aim to make sure your project is done properly from day one.

Planning a loft conversion, extension, or full refurbishment?

Send us your:
✔ Property address
✔ Plans (if available)
✔ Brief description of what you want

We’ll guide you properly before you make costly decisions.

📍 Covering London, Kent & Essex
📩 Message us to get started

Valentine’s Day isn’t about flowers.It’s about who’s still standing with you years later.This testimonial isn’t from las...
14/02/2026

Valentine’s Day isn’t about flowers.
It’s about who’s still standing with you years later.

This testimonial isn’t from last month.
It’s from a client we built for years ago — and we’re still in contact today.

Not because of contracts.
Not because of marketing.
Because trust turned into friendship.

In construction, most people disappear after the final invoice.

We don’t.

We build relationships the same way we build projects —
to last.

Watch the story. This is what real client loyalty looks like 👇

📍 London
Built once. Connected for years.







RCB Group provide an end-to-end design and build serviceToday Vasi from RCB Group is onsite with local business owner Akhtar Khan (South London, UK). We've w...

10/02/2026

Not stock photos. Not showrooms. Real sites. Real builds.

This is what real construction looks like — active projects across London, not staged marketing.

While most people only see the finished kitchen or bathroom, the real value is in what happens behind the walls: structure, planning, safety, and proper workmanship.

That’s the part that protects your home and your investment.

Follow this project series and watch how professional design & build is done step by step.

📩 If you’re planning work this year, talk to a team that builds it right the first time.














📍SW16 5BG — Project CompleteA full home transformation from start to finish.✔️ Extension✔️ Loft conversion✔️ Full renova...
07/02/2026

📍SW16 5BG — Project Complete

A full home transformation from start to finish.
✔️ Extension
✔️ Loft conversion
✔️ Full renovation
✔️ Complete reconfiguration

Every space redesigned with purpose.
Every detail finished with care.
But for us, it’s never just about the build.

🎥 A special moment we shared with our client (posted with permission) — coming soon.

Worried your build will turn into stress, silence, and surprises?This is exactly why our clients choose RCB Design & Bui...
30/01/2026

Worried your build will turn into stress, silence, and surprises?

This is exactly why our clients choose RCB Design & Build.

Clear communication.
Daily updates.
High-standard workmanship.
No guessing. No chasing. No anxiety.

Don’t take our word for it — see what real clients are saying 👇
🔗 Check more reviews on Checkatrade
https://www.checkatrade.com/trades/rcbgroup









26/01/2026

“This flat is about to be completely transformed.”

This project at Upper Tollington Park, London is a full refurbishment from the inside out.
Not cosmetic. Not surface-level. Proper construction.

Structural alterations, new layouts, full electrical and plumbing upgrades, new bathroom, kitchen preparation, improved fire safety and ventilation, and all services concealed correctly to meet today’s standards.

Most people only see the “after”.
We show you the real work that makes it possible.

🎥 Watch the video and follow the journey.
This is only the beginning.

📍 Upper Tollington Park, London
From structure to finish. Follow us to see the transformation.

Not every day you see steel beams this size arriving on a residential street… and there’s a powerful reason why.These ar...
14/01/2026

Not every day you see steel beams this size arriving on a residential street… and there’s a powerful reason why.

These aren’t just “big metal beams.”
They’re the backbone of your future space.

When you open up a home, remove load-bearing walls, or build a large rear extension, steel becomes the silent hero holding everything safely together.

Most homeowners never get to see this part.
But this is where a project truly becomes engineering, not just building.

Every beam you see here was:
✔ Designed by structural engineers
✔ Calculated for load and movement
✔ Coordinated with crane logistics
✔ Installed under strict safety control
✔ Approved to meet Building Regulations

This is the moment your open-plan kitchen, extra bedrooms, or new living space becomes structurally possible.

At RCB Design & Build | A2Z Principal Contractor, we don’t just build pretty finishes.
We engineer projects from the inside out.

Not flashy.
Not rushed.
Just done properly.

Thinking about an extension or major refurbishment in 2026?
This is the standard your project deserves.

📩 Message us today and let’s start it the right way.



Address

347 Barking Road
London
E138EE

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