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Your Trusted Construction & Roofing Contractors in Northampton
Established over 30 years ago, JB House has built a reputation as a trusted construction and roofing contractor in Northampton. As a family-run business, we combine decades of expertise with a commitment to quality, offering tailored solutions for domestic and commercial clients. Our services span house extensions, loft conversions, structural steelwork, and comprehensive roofing solutions, including pitched and flat roofing, tiling, and lead work. Accredited by the Federation of Master Builders, Trustmark, and Checkatrade, we provide insurance-backed guarantees and structural warranties, ensuring peace of mind for every project.Our team of skilled tradespeople delivers end-to-end project management, from initial design and planning permission to final construction, prioritising transparency, reliability, and exceptional craftsmanship. With a focus on customer satisfaction, we offer free site surveys, competitive quotations, and a responsive call-out service for storm damage, making us the preferred choice for property owners and businesses across Northamptonshire.
Services
Extensions
Loft Conversions
Commercial Building
Roof Repairs
Property Renovations
Highlights and features
- We have over 30 years of experience in construction and roofing across Northamptonshire.
- Our team holds accreditations from the Federation of Master Builders and Trustmark.
- We offer insurance-backed guarantees and structural warranties for all services.
- Our project management ensures seamless coordination from planning to completion.
- We provide free site surveys and no-obligation quotations for all projects.
Associations and certifications
- Federation of Master Builders
- Trustmark
- Checkatrade
What people say
Reliable, skilled
High standard
Exemplary communication
Seamless experience
Dependable team
Services
Extensions
We design and build single and double-storey extensions to create additional living or commercial space. Our projects include structural steelwork, brickwork, and bespoke carpentry, tailored to meet planning regulations and client specifications. With over 30 years of experience, we ensure seamless integration with existing properties while maintaining high standards of craftsmanship and durability.
Loft Conversions
Our loft conversion services transform unused attic spaces into functional rooms, including bedrooms, offices, or play areas. We handle all aspects from structural modifications to electrical installations, ensuring compliance with building regulations. Clients benefit from our end-to-end project management and insurance-backed guarantees for complete peace of mind.
Commercial Roofing
We provide durable roofing solutions for office buildings, warehouses, and retail units, including new installations, repairs, and maintenance. Our materials range from traditional slates and tiles to modern EPDM rubber and composite sheeting. Accredited by the Federation of Master Builders, we ensure all work meets industry standards for safety and longevity.
Property Renovations
Our renovation services cover full property refurbishments, including kitchens, bathrooms, and structural upgrades. We coordinate all trades, from electricians to plasterers, to deliver cohesive results. With free site surveys and transparent pricing, we focus on enhancing property value while minimising disruption for homeowners.
Storm Damage Repairs
We offer rapid response for storm-damaged roofs, providing temporary sheeting and permanent repairs. Our team issues written surveys for insurance claims and delivers competitive quotations for remedial work. With substantial insurance coverage for high-risk tasks, we ensure safety and compliance during urgent repairs.
Questions
Do you offer guarantees for your work?
Yes, we provide insurance-backed guarantees and structural warranties for eligible services, accredited by the Federation of Master Builders and Trustmark.
What roofing services do you provide?
We offer new installations, repairs, and maintenance for pitched and flat roofs, including tiling, slating, lead work, and EPDM rubber systems.
Are you experienced builders?
With over 30 years in the industry, we specialise in construction, roofing, and property renovations, serving residential and commercial clients across Northamptonshire.
Can you handle commercial projects?
Yes, we deliver building and roofing solutions for businesses, including extensions, new builds, and maintenance, with a focus on minimal disruption.
Do you offer design and planning services?
We provide end-to-end project management, including architectural design, planning permission, and building regulation applications.
