Business Details
27 Years
experience
Expert Construction Services in the Western Isles
Established in 1999, Calmax has grown to become one of the largest building and civil engineering contractors in the Western Isles. Our main offices are located on the outskirts of Stornoway on the Isle of Lewis, where we operate as a multi-disciplined contractor serving clients across the region. With an in-house team of skilled tradespeople, we deliver a comprehensive range of construction and civil engineering solutions tailored to both domestic and commercial needs. Our expertise extends to new affordable housing developments, utilities, commercial projects, and planned maintenance, supported by specialist services including groundworks, surveying, and plant hire. We prioritise collaboration with clients to identify cost-effective solutions without compromising quality, particularly in challenging rural environments. Our ISO 9001, ISO 14001, and ISO 45001 accreditations reflect our commitment to quality, environmental responsibility, and workplace safety.Trusted by major clients such as Scottish Water and SSE, we combine technical expertise with local knowledge to overcome logistical challenges in remote locations. Every project benefits from our focus on precision, from feasibility studies to final delivery, ensuring compliance with industry standards. With over 25 years of experience, we have completed approximately 230 homes and numerous infrastructure projects, demonstrating our capacity to handle developments of all scales. Our investment in modern technology and equipment ensures efficient project execution, while our deep understanding of extreme weather conditions enables us to create durable, energy-efficient structures tailored to the Western Isles' unique demands.
Services
Architectural Services
CCTV Drainage Surveys
Civil Engineering
Commercial Projects
Groundworks
Housing Developments
Plant Hire
Surveying Services
Plumbing & Heating
Cost Consultancy
Details
- Year established: 1999
Highlights and features
- We offer 25+ years of experience in rural construction and remote civil engineering projects.
- Our in-house team of skilled trades ensures flexibility and quality control.
- We implement cost-saving strategies without compromising project requirements.
- Our ISO 9001, 14001, and 45001 accreditations demonstrate quality and safety standards.
- We specialise in building structures that withstand extreme weather conditions.
Associations and certifications
- ISO 9001
- ISO 14001
- ISO 45001
Services
Civil Engineering
Our civil engineering services cover underground services, maintenance, and large-scale infrastructure projects. We work with clients like Scottish Water and SSE to deliver tailored solutions for roads, utilities, and coastal defences. Our team's expertise in remote locations ensures projects meet strict quality and safety standards while addressing logistical challenges unique to the Western Isles.
Housing Developments
We specialise in affordable housing developments, having completed approximately 230 homes over the past decade. Our services include site preparation, construction, and handover to housing associations or private clients. Projects range from small four-house developments to large 72-home schemes, all built to withstand extreme weather conditions while maintaining energy efficiency.
Groundworks
Our groundworks team handles excavations, driveways, fencing, and underground services for residential and commercial projects. Using modern equipment and techniques, we ensure precise site preparation that forms the foundation for durable structures. This includes utility connections and land clearance tailored to challenging rural environments.
CCTV Drainage Surveys
We provide comprehensive underground drainage surveys using advanced CCTV technology. Our reports identify defects and recommend repairs, ensuring efficient drainage systems for both domestic and commercial properties. This service helps prevent costly damage by detecting issues early through detailed visual inspections of pipework and sewer connections.
Plumbing & Heating
Our plumbing and heating services include underfloor heating with air source heat pumps and maintenance for renewable energy systems. We install oil boilers, wood stoves, and bathrooms, focusing on energy-efficient solutions suited to the Western Isles' climate. Our engineers combine traditional skills with modern renewable technologies to meet diverse client needs.
Questions
What areas do you serve?
We primarily operate in the Western Isles, including Stornoway and the Isle of Lewis, handling projects in both urban and remote locations.
What types of projects do you specialise in?
We focus on housing developments, commercial buildings, civil engineering infrastructure, and maintenance projects tailored to rural environments.
Are you ISO accredited?
Yes, we hold ISO 9001 (Quality), ISO 14001 (Environmental), and ISO 45001 (Health & Safety) accreditations through Citation Certification.
How do you manage project costs?
We work closely with clients to identify cost-saving opportunities while maintaining quality standards and project specifications.
Can you handle extreme weather construction challenges?
Our expertise includes designing and building structures that withstand harsh coastal conditions while ensuring energy efficiency and durability.
What services are available in-house?
We provide architectural design, groundworks, plumbing, heating, surveying, and plant hire services directly through our experienced team.
