Modular Builds
Modular builds offer a smarter, faster, and more sustainable alternative to traditional construction. Designed and constructed in factory-controlled conditions, each module is precision-engineered for quality, efficiency, and durability before being delivered and installed on site. Modular builds offer a modern, high-performance building completed in a fraction of the usual time.
Why Choose Modular?
Speed
Modular construction can reduce total build time by 30 to 50 per cent compared with traditional methods. This is achieved through parallel workflows-modules are built off site while the foundations are prepared on site. The factory environment also eliminates weather-related delays, helping projects stay firmly on schedule.
Cost Efficiency
Although initial costs can sometimes be higher, modular builds typically result in overall savings. The efficiency of off-site manufacturing cuts down on labour and waste, often reducing material waste by up to 90 per cent. Quicker completion means homeowners and developers benefit sooner, whether through occupancy or revenue generation.
Quality and Safety
Each module is produced under strict quality control within a stable, weather-proof environment. This reduces issues such as moisture damage or warped materials and ensures consistent, repeatable quality. The controlled factory process also enhances worker safety, significantly reducing on-site accidents.
Sustainability
Modular builds are inherently more sustainable. Factory production reduces waste and carbon emissions, while airtight construction and superior insulation help achieve excellent energy performance. Studies show modular homes can be up to 70 per cent more airtight and cost up to 55 per cent less to heat than traditional homes.
Our Modular Services
We provide complete modular solutions-from concept and planning to delivery and certification.
Trust Modexa for your modular build or extension.
Planning and Permissions
We handle the full planning process, including site assessments, feasibility studies, and the submission of all required applications. Whether your project needs planning approval or falls under permitted development, we ensure compliance with all local regulations.
Bespoke Design
Our designers work closely with each client to create tailored modular builds and extensions that complement existing architecture and meet lifestyle needs. Using 3D modelling, we help you visualise every detail before production begins.
Finance Support
We understand the financial aspects of construction can be complex. Our team offers guidance on modular-friendly finance options and connects clients with trusted lenders to make every project achievable.
Off-Site Manufacturing and Installation
Each unit is built off site in our factory, ensuring precision and high standards. Once complete, modules are transported and installed with minimal disruption-most installations are completed within days.
Completion and Certification
We oversee final inspections and building control approvals, providing full certification and structural warranties for total peace of mind.
Modular Builds vs Traditional Builds
Energy Savings
A report by Make UK Modular found that modular homes can cost 55% less to heat than the average British “bricks and mortar” house and 32% less than a traditional new build, which can result in savings of up to £800 a year for a three-bedroom family home.
Air Leakage
Modular Builds are precision designed and built in controlled factory environments. A modular building can be 60% to 70% more airtight than a typical traditional build, dramatically reducing the amount of conditioned air that escapes.
- Modular Builds: New modular buildings typically achieve air leakage rates between 1.0 and 3.0 ACH₅₀. The factory setting allows for a meticulous sealing of joints and seams, which are often the weakest points in a building envelope.
- Traditional Builds: A new traditional home often has an air leakage rate between 5.0 and 10.0 ACH₅₀, with some older homes exceeding 20 ACH₅₀. Air gaps around windows, doors, and utility penetrations are common, leading to significant energy loss and drafts.
Thermal Performance
Thermal performance is measured by U-values, which quantify how well a building material conducts heat. A lower U-value means a better-insulated material.
- Modular Builds: Due to the use of high-grade insulation and a focus on minimizing thermal bridging (heat loss through structural elements), modular homes often achieve low U-values that meet or exceed building code requirements.
- Traditional Builds: While traditional construction can also achieve low U-values, it is highly dependent on the skill of the on-site workers and the weather conditions. Thermal bridging is a significant issue in many traditional homes, particularly at junctions where different materials meet, such as at stud framing.
Speed of project
Traditionally, construction processes relied on the management of a number of contiguous, linked operations such as groundwork, foundations and bricklaying. This means that if there is a delay in one particular operation, the knock-on effect will always impact on completion dates. However, because modular builds rely on the main modular construction being manufactured off site, it allows for parallel activities to take place.
- Modular builds can be constructed whilst other work is taking place on site
- Modules are constructed in state-of-the-art facilities, using innovate tools and techniques. This results in precision-manufactured modules that are ready to assemble and are right first time. Typical ‘assembly’ – where the completed modules are put together – with modular builds are carried out in a fraction of the time of a traditional build.
How It Works
Consultation and Site Assessment
We begin by discussing your goals and visiting the site
Design and Quotation
A tailored proposal with visuals, pricing, and timelines is provided
Off-Site Construction
While modules are built in our facility, your site is prepared in parallel
Delivery and Installation
Modules arrive ready to assemble, with installation completed in a matter of days
FAQs
How long does a modular build take?
Modular extensions are delivered 6 weeks after design approval.
Are modular homes durable?
Yes. Each unit is built to meet or exceed UK building standards, with high structural integrity and long-term performance
Can I customise my modular home?
Absolutely. Every design is tailored to your specifications, including layout, finishes, and energy-saving options