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Your Trusted Construction Partner in Northamptonshire
Established over 30 years ago, Allied Builders UK is a family-run construction company based in Towcester, Northamptonshire. Our extensive expertise spans general building, roofing, groundwork, and subsidence repair services, delivered with a commitment to quality and customer satisfaction. Accredited by Which?, Trust-a-Trader, and Rated-People, we combine traditional craftsmanship with modern techniques to ensure durable, safe results. Our reputation for reliability has been built through consistent delivery of projects ranging from minor repairs to full-scale extensions, always treating clients' properties with care.

We offer free, no-obligation quotations and prioritise clear communication throughout every project. With a focus on local service, we have earned trust through word-of-mouth recommendations and repeat business from satisfied customers across Northamptonshire and surrounding areas.
Services
General Building Roofing Groundworks Subsidence Repairs Conservatory Roofs Paving Drainage Chimney Repairs Fascias & Soffits
Highlights and features
  • We have over 30 years of experience in construction and building services.
  • Our family-run business prioritises personal service and accountability.
  • We offer free, no-obligation quotations for all projects.
  • Accredited by Which? and Trust-a-Trader for quality assurance.
  • Covering Northamptonshire and surrounding areas with local expertise.
Associations and certifications
  • Which?
  • Trust-a-Trader
  • Rated-People
What people say
Highly recommend Professional in all aspects Completed on time and budget Outstanding results Trusted for repeat work
Services
General Building
We undertake all aspects of general building, including masonry, walls, steps, house extensions, conservatories, and loft conversions. Our team combines traditional craftsmanship with modern techniques to deliver durable, high-quality results. With over 30 years' experience, we handle projects of all sizes for domestic and commercial clients.
Roofing
Specialising in tiled, slate, and flat roofing, we offer repairs, re-roofing, guttering work, and fascia replacements. Our expertise extends to chimney repairs and full roofline maintenance. Using quality materials and proven methods, we ensure watertight, long-lasting solutions for both residential and commercial properties.
Groundworks
Our groundwork services include block paving, stone paving, driveways, patios, and drainage installations. We utilise modern equipment to ensure efficient, precise execution of projects. From tarmac driveways to landscaped gardens, we create functional outdoor spaces tailored to client requirements.
Subsidence Repairs
We provide expert subsidence repairs and underpinning services to stabilise foundations and prevent structural damage. Using advanced techniques and high-quality materials, we address issues ranging from minor cracks to major foundation problems. Our solutions ensure long-term property stability with minimal disruption.
Conservatory Roofs
We design and install energy-efficient warm roof conservatories that provide year-round usability. Our solutions include replacing existing roofs with insulated systems that reduce glare, noise, and heat loss. These upgrades enhance comfort while improving property value through superior thermal performance and aesthetic integration.
Questions
What areas do you cover?
We operate across Northamptonshire, including Northampton and Towcester, as well as surrounding areas in Buckinghamshire.
Are you accredited by industry bodies?
Yes, we are accredited by Which?, Trust-a-Trader, and Rated-People, reflecting our commitment to quality standards.
Do you offer free quotations?
Yes, we provide completely free, no-obligation quotations for all building, roofing, and groundwork projects.
What construction services do you specialise in?
We specialise in general building, roofing (including warm roof conservatories), groundwork, subsidence repairs, and drainage solutions.
How experienced is your team?
Our team has over 30 years' combined experience in the construction industry, handling projects from minor repairs to full extensions.