Explore 43 building businesses in Northampton offering extensions, renovations and general construction work. Read customer reviews, check which projects each builder handles and contact suitable firms to ask about quotations and availability.
ATJ Building & Groundworks is a Northampton-based construction firm established in 2006, specialising in domestic and commercial projects. We deliver high-quality building solutions including renovations, new builds, extensions, and structural work, prioritising punctuality, budget adherence, and in-house expertise. Our services extend across Northamptonshire and the UK, supported by a skilled team committed to maintaining industry standards and client satisfaction.
Domestic Building
Commercial Building
Loft Conversions
First-class finish
High standard of work
Completed on time and budget
Broadstone General Builders is a trusted family-run construction firm based in Gayton, Northamptonshire. We specialise in extensions, renovations, and property upgrades for residential and commercial clients. With over eight years of experience, our certified team delivers reliable, high-quality workmanship with a personal touch.
Smart Solutions provides expert home improvement services across Northamptonshire, specialising in windows, doors, conservatories, and extensions. With over 30 years of experience and a 10-year guarantee on all work, we combine traditional craftsmanship with modern technology to deliver energy-efficient, secure solutions tailored to individual needs.
Allen & Jane provides expert roofing services in Northampton, specialising in flat and pitched roof installations, chimney repairs, and gutter maintenance. We serve residential and commercial clients with durable solutions using premium materials. Our experienced team delivers customised services to enhance property value and longevity.
Jss Installation offers premium kitchen and bathroom installations, property refurbishments, and stretch ceiling solutions in Northampton and throughout the UK. Our team of experienced professionals manages each project from concept to completion, ensuring quality craftsmanship and client satisfaction. With over 20 years of industry expertise, we combine modern design innovation with reliable, project-managed delivery for every home improvement scheme.
SR Gill Builders provide high-quality damp proofing, building maintenance, and construction services across Northamptonshire. With over three decades of experience, we deliver tailored solutions for residential and commercial properties, including garage conversions, extensions, and block paving. Our accredited team combines advanced technology with traditional craftsmanship to ensure durable, cost-effective results.
Damp Proofing
Garage Conversions
Building Maintenance
Sterling Carpentry delivers expert carpentry, joinery, and building services across the East Midlands. With over 35 years of experience, we specialize in extensions, property restorations, and custom joinery for residential and commercial clients. Our commitment to quality craftsmanship, on-time delivery, and competitive pricing has built a reputation for reliability and excellence.
Bathroom Fitting
Kitchen Fitting
Carpentry
Quality workmanship
Attention to detail
Transformed challenging projects
Home Converters is a Northampton-based construction firm specialising in garage conversions and home improvement projects. We deliver high-quality, certified workmanship for kitchens, bathrooms, extensions, and bespoke carpentry. Our services combine local expertise with a commitment to transparency and client satisfaction.
Lee Swingler is a reputable construction contractor specialising in domestic and commercial building work. With over a decade of experience, we deliver high-quality new builds, extensions, and restoration projects across Northamptonshire and nationally. Our client-focused approach ensures reliable, tailored solutions for every project.
New Builds
Commercial Projects
Groundworks
Highly recommend Lee for new stone-built houses
Service was really great
Excellent communication throughout the build
Mineral Star Construction delivers premium building solutions across public, commercial, and heritage sectors. Established in 1995, we combine a skilled direct workforce with specialist subcontractors to execute projects of all sizes - from high-value infrastructure to residential developments. Our commitment to quality, safety, and community engagement underpins every contract.
Public Sector Construction
Commercial Construction
Faith Groups Projects
Quality work completed on time
Professional approach maintained
Pride in contract execution
Ex-ception is a construction contracting firm specialising in exhibition stands and commercial interior design. We create high-impact, custom-built displays for events and retail environments, offering end-to-end project management and innovative point-of-sale solutions. Our focus is on delivering creative, high-quality installations that enhance brand presence and maximise space efficiency.
Tripod Crest provides nationwide construction and surfacing solutions with 24/7 operational capability. Specialising in highways contracts and equipment supply, we serve public and private sector clients through our extensive machinery fleet and experienced workforce. Our F&T Goodwin division extends expertise to housing developments and term maintenance contracts.
The Qube specialises in bespoke modular buildings using modern construction methods. We deliver high-quality, sustainable structures for education, leisure, sports, and commercial sectors across the UK. Our end-to-end service ensures efficient, hassle-free projects from design to completion.
Smart Build Services & Development is a Northampton-based construction company specialising in new builds, extensions, renovations, and heritage projects. Established in 2008, we combine skilled craftsmanship with meticulous planning to deliver high-quality domestic and commercial projects. Our client-centric approach ensures transparency, competitive pricing, and minimal disruption throughout the building process.
New Builds
Extensions
Renovations
Attention to detail
Skilled installation
Professional manner
R G Carter is a family-owned construction firm established in 1921, delivering design, construction, and project management services across the UK. We specialise in sustainable building solutions for sectors including housing, healthcare, education, and heritage. Our Passivhaus-certified expertise and community-focused approach ensure high-quality, future-ready developments.
Construction Services
Project Management
Passivhaus Building
Oakwood Scaffolding provides professional scaffolding solutions across the Midlands, specialising in residential, commercial, and industrial projects. With over 30 years of experience, we deliver safe, precision-engineered structures tailored to client requirements. Our services combine competitive pricing with a commitment to quality and safety.
Traditional Tube & Fitting Scaffolding
System Scaffolds
Uniscaff Stair Towers
Sapphire Scaffolding, based in Northampton, provides professional scaffolding solutions for commercial, industrial, and domestic projects. Established in 1992, we combine three decades of experience with CHAS and SMAS accreditations to deliver safe, efficient, and cost-effective services. Our nationwide reach and CISRS-trained team ensure compliance and reliability for clients ranging from local councils to private homeowners.
Ayres & Gardner are experienced building and joinery contractors serving commercial, healthcare, and education sectors across Northampton. Specialising in refurbishments, alterations, and construction projects up to 1.5 million, we combine 50+ years of expertise with bespoke design solutions. Our team manages every project stage to ensure quality outcomes within agreed timelines and budgets.
Commercial Refurbishments
Construction Projects
Joinery Services
Northampton Construction Services provides comprehensive building solutions for residential and commercial properties. With over 22 years' experience, we specialise in new builds, extensions, renovations, and maintenance across Northamptonshire and five surrounding counties. Our client-focused approach combines free quotations, personal project oversight, and a commitment to completing work on time and to exacting standards.
New Builds
Extensions
Renovations
Thrilled with the results
Fantastic friendly team
Good attention to detail
D B York is a trusted family-run construction company based in Northampton, offering domestic and commercial building services. With over 35 years of experience, we specialise in extensions, conversions, and renovations, delivering high-quality workmanship tailored to client needs. Our commitment to transparency, competitive pricing, and customer satisfaction ensures every project is completed efficiently and to the highest standard.
Shelswells is a Northampton-based carpentry and kitchen installation specialist with over 20 years of experience. We deliver high-quality home refurbishments, extensions, and maintenance services, combining skilled craftsmanship with competitive pricing. Our fully insured team handles projects from concept to completion, serving Northamptonshire and surrounding areas.
Avenue Ceramics provides professional wall, floor, bathroom, and kitchen tiling services for residential and commercial properties in Northampton and surrounding areas. With over 25 years of experience, we specialise in high-quality installations using ceramic, porcelain, and natural stone materials. Our comprehensive service includes design, supply, and installation, backed by a full guarantee and free expert consultations.
Signature Kitchen & Bathrooms specialises in bespoke kitchen and bathroom design and installation services in Northampton. We utilise advanced 3D technology to create precise visualisations of your project, ensuring clarity and satisfaction from concept to completion. Our comprehensive approach includes free in-home consultations, licensed and insured workmanship, and warranties for added peace of mind.
Kitchen Installation
Bathroom Installation
Kitchen Design Service
JBS Property Maintenance offers expert property maintenance and refurbishment services across Northamptonshire and surrounding areas. Specialising in kitchen and bathroom installations, plumbing, electrical work, and carpentry, we deliver tailored solutions for residential clients. Our commitment to quality craftsmanship and customer satisfaction ensures every project meets exacting standards.
Steele & Bray is a Northampton-based construction contractor with 75+ years of experience delivering high-quality buildings across education, commercial, industrial, and residential sectors. We specialise in design and build, refurbishment, and sustainable solutions for both public and private clients. Our collaborative approach ensures projects meet strict quality, safety, and cost requirements while minimising disruption in occupied environments.
Education Buildings
Housing Developments
Commercial Construction
Apex Scaffolding provides expert scaffolding solutions for domestic, commercial, and conservation projects. Established in 1987, we combine 30+ years' experience with rigorous safety standards to deliver cost-effective access solutions. Our services cover Northamptonshire and five surrounding counties, serving both private and public sector clients.
Midland Scaffolding Services provides expert scaffolding solutions for commercial, public sector, heritage, and MOD projects. With 40+ years of experience, we deliver tailored access platforms, temporary structures, and specialist designs across England. Our CISRS-qualified team ensures safety, efficiency, and client satisfaction through proactive management and investment in high-quality equipment.
Commercial Scaffolding
Heritage Projects
MOD Contracts
Brilliant and polite people
Highly recommended company
Proactive and efficient service
Semilong Services is a multidisciplinary contractor specialising in drainage, civil engineering, roofing, and construction solutions. We serve residential and commercial clients across the Midlands with emergency services, infrastructure development, and sustainable building practices. Our expertise combines technical innovation with over 10 years of local experience to deliver reliable, high-quality results.
Drainage
Civil Engineering
Roofing
Absolute star
Great customer service
Highly recommended
Jeakins Weir is a family-owned construction company delivering high-quality building projects across education, healthcare, commercial, residential, and public sectors. Since 1973, we have prioritised sustainable practices, community impact, and collaborative partnerships. Our ISO-certified services include new builds, responsive repairs, and property development across the East Midlands.
Construction Projects
Responsive Repairs
Property Development
John Wright Builders is a Northamptonshire-based construction company specialising in house extensions, new builds, and commercial projects. With over 30 years of experience, we deliver high-quality, tailored solutions using trusted suppliers and NHBC-approved practices. Our client-centric approach ensures competitive pricing, reliability, and a 30-year legacy of referrals.
Building and Construction
Extension Builders
Garden and Landscaping
Excellent advice
High standard
Diligent, professional
Ellmark Design & Build provides comprehensive residential and commercial construction services across Northamptonshire and surrounding counties. Specialising in property refurbishments, custom extensions, and heritage restorations, we offer a full-service approach from initial concept to project completion. With over 35 years of experience, our team delivers tailored solutions combining modern techniques with traditional craftsmanship.
Property Refurbishments
Home Extensions
Commercial Projects
AMJ Construction delivers expert construction and project management services across commercial, retail, and leisure sectors. We specialize in risk-managed project delivery, quality assurance, and cost-effective solutions while maintaining strict health, safety, and environmental compliance. Our proven track record demonstrates consistent delivery of client-focused construction outcomes.
Project Management
Quality Construction
Cost Control
Power Builders is a reputable construction company established in 1972, specialising in residential and commercial building services. We deliver high-quality extensions, repairs, alterations, and refurbishment projects across Northamptonshire. With decades of experience and industry accreditations, we prioritise client satisfaction through expert craftsmanship and efficient project management.
Cornerstone 2 Limited provides expert construction services including new builds, property extensions, and commercial developments. With over 30 years' industry experience, we deliver NHBC-registered projects with 12-month work guarantees. Our team specialises in land acquisition joint ventures and planning permission optimisation.
Riverside Renovations delivers high-quality construction and renovation services, specialising in kitchen and bathroom upgrades, loft conversions, and bespoke building projects. We combine innovative design with skilled craftsmanship to create functional, aesthetically pleasing spaces tailored to client needs. Our client-centric approach ensures transparency, competitive pricing, and a commitment to using premium materials and sustainable methods.
FJE Contractors Ltd is a Northampton-based construction specialist established in 2006, offering formwork, reinforcement, concreting, and civil engineering services across the UK. We deliver high-quality projects for educational, industrial, commercial, and residential sectors, with particular expertise in bio gas tank construction. Our commitment to safety, quality, and client satisfaction is demonstrated through CHAS accreditation and a hands-on management approach.
Fountain Construction is a Northampton-based domestic building specialist with over 20 years' experience in residential construction. We deliver custom client builds, property extensions, conversions, and land development projects across the East Midlands. Our expertise combines modern design principles with traditional craftsmanship to create functional, aesthetically pleasing living spaces.
Client Builds
Extensions
Conversions
Quality workmanship
Professional service
Successful transformations
Walsh Builders is a Northampton-based construction company specialising in house renovations, kitchen and bathroom installations, and property maintenance. With membership in the 'Buy with Confidence' trading standards scheme, we deliver reliable, high-quality workmanship tailored to residential and investment properties. Our services include free consultations, flexible scheduling, and comprehensive project management from concept to completion.
C & C Home Improvements is a Northampton-based home renovation specialist offering bespoke bathroom designs and quality craftsmanship. We combine tailored solutions with premium materials to create functional, aesthetically pleasing spaces. Our dedicated team ensures every project meets exacting standards through meticulous attention to detail.
Proserve Property Maintenance offers a comprehensive range of property maintenance solutions in Northamptonshire, specialising in plumbing, damp inspections, and emergency repairs. Our services cater to residential and commercial clients, combining 24/7 availability with fixed-price contracts. We prioritise quality, reliability, and transparency in all property care needs.
4 Front Interiors offers comprehensive domestic and commercial building services in Northamptonshire. Specialising in project-managed refurbishments, extensions, and insurance repair work, we combine 20+ years of industry expertise with a phased approach to minimise disruption. Our DBS-checked team delivers high-quality craftsmanship, transparent pricing, and end-to-end solutions tailored to client needs.
The Earls Barton Building provides expert construction services across Northamptonshire and surrounding regions. Specialising in structural alterations, steel beam installations, and residential extensions, we combine decades of industry experience with FMB-accredited standards. Our comprehensive approach covers project management, regulatory compliance, and quality assurance to deliver durable, code-compliant building solutions.
House Extensions
Steel Beam Installation
Garage Conversions
Superb work
Exceeded expectations
Expertly managed
RAM Civils is a family-owned construction contractor with over 30 years' experience in civil engineering and groundwork services. We specialise in remedial works for developers, highway authorities, and domestic clients, offering tailored solutions from sewer laying to landscaping. Our commitment to quality is evidenced by a strong client base and a track record of delivering projects to adoptable standards.