“Professional, conscientious and collaborative, from conception to completion and beyond”

They’re not our own words; they’re how a client described working with us, and we can’t think of a better way of putting what 21CBS is all about.

We aim to bring your vision to life in a way that gives you complete confidence in our work while giving you control over the result.

We believe in building spaces that fit the people and communities who work, live & play in them while positively impacting the environment.

We partner with you, making our team part of your team — a group of reliable, skilful and enthusiastic craftspeople made up of both in-house members and contractors — a team we like to work with, so you will too.

We construct spaces that realise your vision, fit the lives & needs of those who use them, consider their local communities, reflect the environment and deliver what we promise.

 

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3 Aims

Our missions

Professional

Delivering assured quality

Our skilled team ensures each project meets the highest standards of materials, workmanship, and safety. By focusing on detailed coordination, subcontractor expertise, and continuous quality control, we guarantee defect-free spaces that work for the people they’re designed for.

See Our Services

Collaborative

Creating strong local partnerships

We’re dedicated to building inclusive teams and collaborating with diverse suppliers, including minority and female-owned businesses, to enhance community and economic growth across South West England and Wales.

See Our Social Responsibilities

Conscientious

Building for the environment & people

We’re committed to sustainable construction practices that minimise environmental impact. Through innovative waste management, low-emission vehicles, and promoting green travel among our teams, we strive to reduce our carbon footprint while enhancing community well-being and supporting local ecosystems.

See Our Sustainable Practices

Timeline

Our story

2000

Founded

Tony Zammit established the business by remortgaging his home, starting an electrical contracting company from a converted garden shed.

2010

Turning Point:

Carl Zammit joined, and, working with Tony, they steered the company towards main contracting.

2018

Milestone:

Awarded our first multimillion-pound project at 40 Berkeley Square, marking a significant step in our growth.

2025

Today:

A trusted regional building contractor with strong roots in electrical contracting, delivering projects with expertise and integrity.

Experience Matters

Your experienced construction partners for over 20 years in the South West

Since 2000, we’ve partnered with clients to construct places people want to occupy across South West England and Wales.

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Added Value

What partnering with us looks like

End-to-end communication & management:

Benefit from a dedicated core team consisting of a Contract Manager, Site Manager and Quantity Surveyor with sector-specific experience. This established team takes care of your end-to-end project management, keeping you updated with daily & weekly reporting while ensuring your build meets your design needs and requirements.

Demonstrable local excellence and social value:

Gain access to our resilient local supply chain & subcontractors, which support reduced carbon emissions and improved risk management. Coupled with our knowledge of your local issues, we support you in creating a high-quality end build.

Live environment expertise:

Our team is used to working within occupied buildings, minimising disruption while keeping your people safe and the project on track. We’ll plan more extensive work to keep noise, dust and vibration levels out of your way so you can continue business as usual operations.

0

Of our vehicles are emission Euro 6 vehicles or electric, contributing fewer carbon emissions.

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Of our work is within 1 hour of our base in Bristol, for reduced carbon emissions.

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Of waste generated at our sites typically is diverted from landfill.

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News & Careers

Latest insights

21CBS
|
December 2024
Building Careers at 21CBS: Our Apprenticeship Programme

See how you can kickstart your career with a 21CBS apprenticeship: hands-on training, qualifications & mentorship for a brighter future in construction.

Read More
21CBS
|
November 2024
Supporting 1,000 Families This Festive Season with Operation Community Hamper

See how 21CBS is supporting Operation Community Hamper to deliver 1,000 festive hampers to families in need. Donate goods at any 21CBS site throughout December 2024.

Read More
21CBS
|
December 2024
Delivering Excellence in Education: Safe and Successful Projects with 21CBS

See how 21CBS delivers safe, high-quality construction projects in live education environments, minimising disruption and prioritising safety.

Read More

Contact Us

Let's create better spaces, together

Whiteoaks Capital / Origin Workspace

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University of Bath

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Confidential

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TFT C/O Abrdn Plc.

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Recent projects

See how our construction team turns challenges into success stories.

Offices

Refurbishment of 40 Berkeley Square

See how we transformed a 1960s office in Bristol into a modern co-working space, blending historical charm with sustainable, flexible design.

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Laboratories

Refurbishment of Laboratories 2.52 and 2.37 at 5 West

Refurbishment of labs at University of Bath, transforming spaces into state-of-the-art wet and dry labs with sustainable, high-spec design.

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Offices

Fit-Out of 4th Floor Office

See how we delivered a high-spec 4th-floor office fit-out, blending modern functionality with bespoke finishes, all within a live, city-centre environment.

Read More
Industrial & Logistics

Refurbishment and Clearance of Emerald Park Industrial Unit

See how we transformed an industrial unit at Emerald Park, delivering a full clearance, refurbishment, and modernisation to meet landlord specifications.

Read More
Public Sector

IFP Expansion Works at Richmond Building

See how we transformed the Richmond Building for the University of Bristol, delivering modern, sustainable spaces for the International Foundation Programme within a tight 12-week schedule.

Read More

WHAT OUR CLIENTS SAY

Devonshire Partnership Limited

"21CBS provides a responsive, diligent, pro-active problem-solving approach to building refurbishment projects, delivering good quality at a competitive cost."

Building Surveyor / Consultant

WHAT OUR CLIENTS SAY

UWE

"Each project delivered by 21CBS has been executed professionally, with a conscientious and collaborative approach, from conception through to completion of the works and beyond. The site is always well-managed, and the team is reliable, capable, and enthusiastic. Since working with 21CBS at UWE, the projects I have managed have been delivered to a very high quality of workmanship, on time, and within budget. It is always a pleasure to work with 21CBS."

Project Manager

WHAT OUR CLIENTS SAY

J4 Projects

"21CBS have provided services on a number of key projects over several years with exceptional success on each scheme. Their service is reliable and delivered in an open and transparent approach which provides us with full confidence that the project will be delivered on time and budget with fantastic quality being achieved."

Project Manager

WHAT OUR CLIENTS SAY

Knight Frank LLP

"I have worked with 21CBS for over 10 years and they are consistently one of my go to contractors for medium to large construction projects. They have always been proactive, communicative and have delivered works to a high standard."

Building Surveyor / Consultant

WHAT OUR CLIENTS SAY

APS Consultancy

"21CBS offered dedicated project professionals and subcontract partners to complete a beautiful space for our client. Going the extra mile to get finishes correct and being flexible allowing the client to make decisions within their timeframe."

Project Manager

WHAT OUR CLIENTS SAY

CBRE

"21st CBS reliability, experience and responsiveness make them a great contractor to work with. These qualities enable me to meet client expectations."

Building Surveyor / Consultant

WHAT OUR CLIENTS SAY

Tuffin Ferraby Taylor LLP

"21CBS are a great team who are very knowledgeable and experienced at what they do and are a pleasure to work with!"

Project Manager

WHAT OUR CLIENTS SAY

LiveWest

"21st Century undertook a complex project for us in Bristol - they understood the brief and delivered to a very high standard."

Project Manager

WHAT OUR CLIENTS SAY

Holland & Barrett

"I have worked with the 21CBS for numerous years on work ranging from reactive repairs to large-scale projects. Their ability to provide a quality service on time and to budget has been exceptional, and they have managed to build a reputation for being a trusted and reliable contractor. I would welcome the opportunity to work with the 21CBS at any point in the future, as their strengths are invaluable to a business that is demanding and continually changing/developing. 21CBS has proven to meet these challenges and often perform above and beyond expectations."

Head of Facilities & Building Maintenance

WHAT OUR CLIENTS SAY

Colliers

"21CBS can always be relied upon to deliver a project and manage issues or complications well. The team is personable, easy to contact, and work hard."

Building Surveyor / Consultant

Frequently Asked Questions

FAQs

How experienced is the 21CBS team?

With over 20 years of expertise, our team includes reliable and enthusiastic in-house professionals and contractors who have successfully delivered projects since our founding in 2000.

 
What regions does 21CBS serve?

We work across South West England and Wales, constructing spaces for diverse sectors while ensuring they align with local needs and regulations.

What values define 21CBS as a company?

Professionalism, collaboration, and conscientiousness define us. We prioritise quality, build inclusive partnerships, and commit to sustainable construction practices that benefit the environment and local communities.

How does 21CBS ensure project quality?

Our skilled team delivers defect-free spaces by using high-quality materials, ensuring precise coordination, and maintaining continuous quality control throughout the project lifecycle.

 

 

What is 21CBS's approach to construction projects?

We partner with you to make your vision a reality, delivering spaces that meet the needs of users, reflect the environment, and consider the local community. Collaboration and quality are at the heart of everything we do.

 

 

How do you ensure site health and safety?

Partnering with the Building Safety Group, our team adheres to high health and safety standards, conducting regular site audits and implementing comprehensive safety protocols. With experience working in live environments, like active campuses, we ensure minimal disruption and strict safety for all stakeholders.