01268 777130

Our Team

Company history and team introduction

Established in 2012, GJB New Build has grown to become a prominent name in the new build sector, dedicated to supplying and installing top-tier windows and doors. Originating from Colchester, Essex, our reach now extends across several key regions, making us a preferred choice for many national builders. Our success is not just attributed to our products but also to our dynamic team. With a blend of seasoned professionals and innovative thinkers, our team has been instrumental in upholding the quality and integrity of our services. Each member brings their expertise and passion, ensuring that we not only meet but exceed the expectations of our valued clients. 


Years in Business


Top Accreditations


Major Awards Won


Key Regions to Serve

Our Accreditations

At GJB New Build, our success is driven by the passion, expertise, and dedication of our team members. Get to know the faces behind our esteemed company: 

Emily Gilbertson

Emily Gilbertson

Commercial Lead

Emily is the driving force behind GJB New Build’s commercial ventures, leading the team with precision, dedication, and an unwavering commitment to excellence. Her strategic insights, coupled with an innate ability to understand and cater to client needs, have been pivotal in steering GJB New Build towards remarkable commercial achievements. 

Having earned a BSc in Psychology, Emily initially ventured into the field of mental health. This was followed by a notable stint in advertising. However, her passion and calling became evident when she transitioned into the construction industry after taking a break to focus on her family. With over a decade of experience under her belt, Emily now heads the Commercial team at GJB New Build. Her journey with the company has been marked by witnessing its growth, fostering strong client relationships, and consistently delivering outstanding results. 

Stewart Gilbertson

Stewart Gilbertson

Installations Coordinator

Stewart Gilbertson brings over 25 years of invaluable experience to his role as Head of Operations at GJB New Build. Starting his career as a labourer, Stewart honed his skills to become a Fitter and later excelled as a domestic service engineer. This diverse background has equipped him with an exceptional ability to address and resolve customer issues, making him a cornerstone in the field. In addition to holding both SSSTS and SMSTS health and safety qualifications, he has managed multiple teams for the last 12 years, specialising in both domestic and new build window fitting.

Stewart’s long-standing commitment to the industry has enabled him to cultivate strong relationships across various levels of operations, from site teams to the managing directors of large house builders. His wealth of experience, leadership acumen, and customer-focused approach make him an integral part of GJB New Build’s success.

Helen Bevan

Helen Bevan

Company Estimator

Helen Bevan is a seasoned professional in the uPVC window industry, bringing a wealth of experience spanning over 25 years. Holding a BSc in Economics, Helen commenced her illustrious career in the IT department of Abbey National Building Society, which later became Santander, as part of their graduate scheme. Since the inception of GJB New Build, Helen has been an integral member of the team, serving as the Company Estimator. Her role involves not only formulating precise quotes for house builders but also meticulously processing all window and door requisites for their site projects. With a profound commitment to excellence, Helen finds her role both challenging and rewarding, underscoring her passion for the industry. 

Louise Handley

Aftercare Supervisor

Louise is our go-to expert for post-project support. Her role as Aftercare Supervisor ensures that our clients continue to receive unparalleled support even after project completion. Her dedication to client satisfaction and her keen problem-solving skills make her an invaluable asset to our team. 

Kai Gilbertson

Processing Administrator

Kai Gilbertson serves as the Processing Administrator at GJB New Build. With a meticulous approach and a commitment to accuracy, Kai is pivotal in ensuring that all data and processing tasks are handled efficiently. His expertise plays a vital role in maintaining the seamless operations that GJB New Build prides itself on. 

Jo Bluck

Aftercare Administrator

Jo Bluck holds the esteemed role of Aftercare Administrator at GJB New Build. Her dedication to post-sales support ensures that clients continue to receive the highest level of service even after their projects are complete. With a keen attention to detail and a client-centric approach, Jo remains a cornerstone of the company’s commitment to excellence in customer relations. 

Thank you for taking the time to get to know our team. We’re proud of the collective expertise we bring to the table, and we’re always here to assist with your new build requirements. If you have any questions or would like to discuss a project, don’t hesitate to reach out

Any questions or require a quotation?

Our team of experts are always on hand to assist, guiding you through our extensive range to find the perfect fit for your vision.