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Business Details
21 Years
experience
Your Trusted Construction Partner in Northampton
Established in 2005, Sub Blue has built a reputation as a trusted building contractor serving residential and commercial clients across Northampton and the East Midlands. With over two decades of collective experience, our team specialises in delivering high-quality projects ranging from single-property commissions to large-scale developments. We prioritise client collaboration, maintaining rigorous standards in safety, cleanliness, and craftsmanship while working with industry partners like McCann Homes and Lovell Partnership. Our expertise spans new builds, refurbishments, and specialist trades, supported by a commitment to timely delivery and transparent communication.

Recognised for our work on listed buildings such as The Grims Dyke Hotel, we combine traditional techniques with modern innovation to meet diverse client needs. Testimonials from clients including Bullock Construction and Tanbry Construction highlight our reliability, competitive pricing, and ability to handle complex projects under pressure. As active participants in residential and commercial developments, we offer full project management and tailored solutions for property owners and developers.
Services
Building Work Extensions Masonry Refurbishment New Builds Plastering Electrical Work Plumbing Partitioning Flooring
Details
  • Year established: 2005
Highlights and features
  • We have over 20 years' experience in residential and commercial construction
  • Our proven track record includes working with major developers like McCann Homes
  • We provide full project management from inception to completion
  • Our team maintains rigorous safety and quality standards on all sites
  • We offer competitive pricing without compromising on craftsmanship
What people say
Efficient, professional and reliable High quality project delivery Second to none service Outstanding communication First class workmanship
Services
Building Work
We deliver comprehensive building solutions for residential and commercial properties. Our expertise covers new constructions, structural modifications, and heritage building adaptations. Clients benefit from our 20-year track record in managing projects from initial design to final completion, ensuring compliance with modern regulations while maintaining architectural integrity.
Extensions
Specialising in property expansions, we create functional living and commercial spaces tailored to client requirements. Our team handles planning permissions, structural engineering, and finishing touches. With experience in loft, garage, and basement conversions, we maximise property potential while maintaining aesthetic harmony with existing structures.
Refurbishment
We revitalise properties through complete interior makeovers and structural upgrades. Services include kitchen and bathroom remodelling, historical restoration, and modernisation of outdated buildings. Our approach balances modern functionality with preservation of character features, particularly valued in listed building projects like The Grims Dyke Hotel.
Electrical Work
Our certified electricians provide full electrical installations and upgrades for new builds and renovations. We handle consumer unit replacements, lighting design, and power distribution systems. All work complies with current regulations, with documentation provided for insurance and compliance purposes.
Flooring
We offer complete flooring solutions including solid wood, laminate, carpets, and vinyl. Our specialists ensure precise fitting across various surfaces, with preparation and finishing services included. From residential media walls to commercial properties, we deliver durable and aesthetically pleasing flooring outcomes.
Questions
What types of building projects do you handle?
We manage residential and commercial projects including new builds, extensions, refurbishments, and specialist trades across Northampton and the East Midlands.
How experienced is your team?
Our team has over 20 years' collective experience working with major developers and on complex projects like listed buildings and prison contracts.
Do you offer full project management?
Yes, we provide end-to-end project management including planning, design coordination, and deadline adherence for all building works.
Are your services competitively priced?
We guarantee competitive pricing without compromising quality, supported by long-term partnerships with industry suppliers and developers.
How do you ensure site safety and cleanliness?
We maintain strict safety protocols and daily cleanliness standards, as evidenced by client testimonials praising our professional site conduct.