--- title: "Builders in Chesterfield & Matlock | Extensions, New Builds & Renovations | JBW Construction" description: "Trusted builders in Chesterfield, Matlock and Derbyshire. Extensions, new builds, barn conversions, loft conversions, renovations. FMB accredited, 25+ years experience. 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Rather than quote ballpark figures that turn out to be wrong, we provide a detailed, fixed, in-person quote after visiting your property. There's no charge for the quote and no obligation to proceed. That way you get a real number for your specific job, not a guess." } }, { "@type": "Question", "name": "How long does a typical extension or renovation take?", "acceptedAnswer": { "@type": "Answer", "text": "Most single-storey extensions run 10–14 weeks on site, double-storey extensions 14–20 weeks, and full barn or commercial conversions anywhere from 4–9 months depending on scope. Kitchens and bathrooms are usually 3–6 weeks. We give you a realistic schedule with key milestones at the quote stage, and we stick to it — late finishes are one of the biggest complaints homeowners have about builders, and it's something we work hard to avoid." } }, { "@type": "Question", "name": "Are you accredited and insured?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — fully. We're members of the Federation of Master Builders (FMB), TrustMark registered, and Derbyshire Trusted Trader approved. We carry £10 million public liability insurance and provide a 10-year written guarantee on all structural work. Every project is signed off by Building Control, and we're happy to provide certificates, references and proof of cover before you commit to anything." } }, { "@type": "Question", "name": "What areas of Derbyshire do you cover?", "acceptedAnswer": { "@type": "Answer", "text": "We work within roughly a 15-mile radius of Chesterfield. That includes Matlock, Bakewell, Buxton, Dronfield, Sheffield, Rotherham, Mansfield, Worksop, Bolsover, Belper, Alfreton, Eckington, Staveley, Clay Cross, Chapel-en-le-Frith and most of the Peak District National Park. If you're not sure whether you're in our patch, give us a call — we'll tell you straight away." } }, { "@type": "Question", "name": "Do you help with planning permission and building regulations?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. We handle the full process for the majority of our clients — drawings, planning applications, Building Control submissions and liaison with conservation officers where needed. We know what Chesterfield Borough Council, Derbyshire Dales and the Peak District National Park Authority will and won't approve, which dramatically reduces the chance of refusal or costly redesigns. If you've already got an architect, we'll work alongside them." } }, { "@type": "Question", "name": "What's covered by your 10-year guarantee?", "acceptedAnswer": { "@type": "Answer", "text": "All structural elements of work we carry out — foundations, walls, roof structures, load-bearing alterations and waterproofing — are covered for ten years from completion. The guarantee is written, transferable to a new owner if you sell, and backed by our FMB membership. Fixtures, fittings and finishes are covered by the relevant manufacturer warranties, which we register on your behalf." } }, { "@type": "Question", "name": "How do I get a free quote?", "acceptedAnswer": { "@type": "Answer", "text": "Either call us on 07891 214075 or fill in the 'Get a Free Quote' form on our contact page. We'll respond within 24 hours, ask a few questions about your project, and book a property visit at a time that suits you. After the visit we send through a fully itemised written quote — no pressure, no follow-up sales calls, just the information you need to decide." } } ] } ] --- [![JBW Construction Services Ltd - Builders in Chesterfield](https://images.leadconnectorhq.com/image/f_webp/q_80/r_1200/u_https://assets.cdn.filesafe.space/yXra3JCgP353TG568Gg2/media/690e5703696129f26a2ce681.webp)](/) Residential Commercial [Our Work](/gallery)[Testimonials](/testimonials)[Areas We Cover](/areas-we-cover)[Blog](/blog)[Contact](/contact) [07891 214075](tel:07891214075)[Get A Quote](/contact) Trusted Derbyshire Builders # Trusted Builders in Chesterfield & Matlock Experienced general builders delivering new builds, extensions, conversions and renovations across Derbyshire — backed by 25+ years of expertise and 10-year warranties. [Request Free Quote](/contact)[07891 214075](tel:07891214075) FMB Accredited 10-Year Guarantee 24hr Response [![Federation of Master Builders](https://images.leadconnectorhq.com/image/f_webp/q_80/r_1200/u_https://assets.cdn.filesafe.space/yXra3JCgP353TG568Gg2/media/dd54d709-73b9-4a0b-bd3f-742cb0d91f86.webp)](https://www.fmb.org.uk/builder/jbw-construction-services-limited.html) ![TrustMark Approved](https://images.leadconnectorhq.com/image/f_webp/q_80/r_1200/u_https://assets.cdn.filesafe.space/yXra3JCgP353TG568Gg2/media/2f4ca940-ac65-4c7e-983f-40ff546d7941.webp) [![Derbyshire Trusted Trader](https://images.leadconnectorhq.com/image/f_webp/q_80/r_1200/u_https://assets.cdn.filesafe.space/yXra3JCgP353TG568Gg2/media/48e96152-a117-493c-946e-d27f3f28b3d0.webp)](https://apps.derbyshire.gov.uk/applications/trusted-trader/profile.asp?tid=78601)[![Yell.com](https://images.leadconnectorhq.com/image/f_webp/q_80/r_1200/u_https://assets.cdn.filesafe.space/yXra3JCgP353TG568Gg2/media/4fceff20-3065-4eed-9a60-96f3eecdae63.webp)](https://www.yell.com/biz/jbw-construction-services-chesterfield-9820122/) 0+ Years Experience 0+ Projects Completed 0% Client Satisfaction Welcome to JBW Construction ## Derbyshire's Most Trusted Building Company We're a Derbyshire-based building company run by John, with deep roots in [Chesterfield](/chesterfield-builder) and [Matlock](/matlock-builder). From period properties near the Crooked Spire to modern developments across the [Peak District](/builders-in-peak-district), we deliver construction projects that exceed expectations — on time, on budget, and built to last. The challenge most homeowners face isn't finding builders — it's finding builders they can trust. That's why we're accredited by the Federation of Master Builders, approved as Derbyshire Trusted Traders, and back every project with a [10-year warranty](/specials) and £10 million insurance. [Learn More About Us](/about) ### £10M Insurance Full public liability coverage on every project ### 25+ Years Decades of trusted building experience in Derbyshire ### FMB Accredited Federation of Master Builders approved ### 10-Year Warranty Long-term peace of mind on all work completed What We Do ## Our Building Services [ ### Property Extensions Single & two-storey extensions in Chesterfield ](/property-extensions-chesterfield)[ ### New Build Homes Bespoke new builds across Derbyshire ](/new-builds-chesterfield)[ ### Barn Conversions Agricultural barn to home conversions ](/barn-conversion-chesterfield)[ ### Loft Conversions Dormer & Velux loft conversions ](/loft-conversions-chesterfield)[ ### Garage Conversions Garage to living space conversions ](/garage-conversions-chesterfield)[ ### Refurbishments Complete house renovation services ](/building-refurbishment-chesterfield)[ ### Shop Fit-Outs Retail & hospitality fit-outs Chesterfield ](/shop-fit-outs-chesterfield)[ ### Commercial Building Office, pub & commercial construction ](/commercial) How It Works ## Get A Quote In 3 Simple Steps Step 1 ### Contact Us Complete the 'Get a Free Quote' form or call us to share your project details. Step 2 ### Schedule Your Quote We'll arrange a property visit at a time that suits you to provide an in-person quote. Step 3 ### Work Begins Once you approve our quote, we'll schedule a start date and get your project underway. Step 4 ### Aftercare & 10-Year Guarantee On completion we walk you through the finished work, hand over certificates and warranties, and back every structural element with our written 10-year guarantee. [Get A Free Quote](/contact) Testimonials ## What Our Clients Say About Us "From quote to completion, everything was handled professionally. The finish is perfect and the whole process was stress-free." JM Jaxxon Mcguire Google Review "Great company to work with. Honest pricing, skilled workers, and excellent final results. I will definitely hire them again." AY Anthony Young Google Review "Outstanding experience. The team was knowledgeable, respectful, and completed the job faster than expected without compromising quality." CB Craig Bennett Google Review "Top-quality work and very easy to deal with. They paid attention to the small details that really make a difference." TC Timothy Cook Google Review "Couldn't be happier with the results. The project was handled smoothly and efficiently. I would highly recommend them to anyone needing construction work." DS Devon Shaw Google Review "Professional team with great customer service. They kept me updated at every stage and finished the work to a very high standard." JH Joshua Hudson Google Review "Reliable and trustworthy company. They delivered exactly what they promised and the final result looks amazing. Great value for money." DF Darren Fletcher Google Review "JBW Construction did a fantastic job on our project. The crew was friendly, tidy, and clearly very experienced. Would definitely use them again." TQ Trevor Quinn Google Review "Very impressed with the workmanship and attention to detail. Communication was clear throughout the project and everything was completed on time." GR Garrett Ross Google Review ![New house builders in Chesterfield](https://images.leadconnectorhq.com/image/f_webp/q_80/r_1200/u_https://assets.cdn.filesafe.space/yXra3JCgP353TG568Gg2/media/690490ad817ba04766f52c47.jpeg) ## New House Builders in Chesterfield Building your dream home from the ground up — from securing planning permission to handing you the keys. We specialise in bespoke residential new builds across Derbyshire, with meticulous attention to detail at every construction phase. As TrustMark approved builders, we adhere to strict quality standards and provide transparent communication throughout. [Learn More About New House Builders →](/new-builds-chesterfield) ![Extensions and conversions in Derbyshire](https://images.leadconnectorhq.com/image/f_webp/q_80/r_1200/u_https://assets.cdn.filesafe.space/yXra3JCgP353TG568Gg2/media/690490ac6bade6fd8932499c.jpeg) ## Extensions & Conversions across Derbyshire Creating additional space in your home often makes more sense than moving. We design and build property extensions, loft conversions, garage conversions, and barn conversions that blend seamlessly with your property — adding genuine value and functionality with no hidden costs. [Learn More About Extensions & Conversions →](/property-extensions-chesterfield) ![Commercial building services Chesterfield](https://images.leadconnectorhq.com/image/f_webp/q_80/r_1200/u_https://assets.cdn.filesafe.space/yXra3JCgP353TG568Gg2/media/690490acde828350210316d5.jpeg) ## Commercial Building Services From shop fit-outs and office renovations to commercial-to-residential conversions, we understand the importance of minimal disruption to your business. As Derbyshire Trusted Traders with full insurance and FMB accreditation, we're the reliable partner local businesses choose. [Learn More About Commercial Building →](/commercial) Local Knowledge ## Builders in Chesterfield & Derbyshire: What Local Homeowners Need to Know Building in Chesterfield, Matlock and the wider Derbyshire region isn't the same as building anywhere else in the UK. Our properties tell the story of the area — Derbyshire gritstone cottages, Victorian and Edwardian terraces around the Crooked Spire, post-war semis on the outskirts of Chesterfield, and stone-built farmhouses scattered across the Peak District. Each comes with its own quirks: solid stone walls instead of cavity construction, suspended timber floors, original lime mortar, irregular foundations, and roof structures that were never designed for modern loading. A builder who only works on new estates will struggle. After 25+ years working exclusively in this region, we've seen — and solved — almost every issue these buildings throw up. Planning is the other piece local homeowners underestimate. A large slice of our patch sits inside the **Peak District National Park**, where planning policy is among the strictest in the country. Conservation areas in Bakewell, Ashover, Baslow and parts of central Chesterfield add another layer. Listed buildings, Article 4 directions, and protected stone-and-slate vernacular all dictate what you can and can't do — and what materials you must use. We work with these constraints every week, liaise directly with **Chesterfield Borough Council**, **Derbyshire Dales District Council** and the **Peak District National Park Authority**, and know which detailing tends to get approved and which gets refused. That local relationship saves homeowners months of back-and-forth. We also know the local trades, suppliers and Building Control officers — which matters more than people realise. Sourcing matching reclaimed Derbyshire gritstone, Staffordshire blue clay tiles or hand-finished oak from yards we've used for decades means your extension, barn conversion or new build looks like it belongs, not like it was bolted on. Combined with FMB accreditation, Derbyshire Trusted Trader status, £10M public liability insurance and a 10-year guarantee on every project, that's what local homeowners are really paying for when they hire a builder who's spent a quarter of a century within 15 miles of where they live. Service Areas ## Covering Chesterfield, Matlock & Beyond We proudly serve homeowners and businesses across Derbyshire and the Peak District — within roughly 15 miles of Chesterfield. Whether you need [property extensions](/property-extensions-chesterfield), [new builds](/new-builds-chesterfield), or [barn conversions](/barn-conversion-chesterfield), we've got you covered. [View All Areas →](/areas-we-cover) [Chesterfield](/chesterfield-builder)[Matlock](/matlock-builder)[Peak District](/builders-in-peak-district)[Sheffield](/builders-in-sheffield)[Dronfield](/builders-in-dronfield)[Rotherham](/builders-in-rotherham)[Bakewell](/areas-we-cover)[Eckington](/areas-we-cover)[Baslow](/areas-we-cover)[Ashover](/areas-we-cover)[Mansfield](/areas-we-cover)[Worksop](/areas-we-cover) Common Questions ## Frequently Asked Questions Straight answers to the questions we hear most often from homeowners across Chesterfield and Derbyshire. ### How much does a builder cost in Chesterfield? ### How long does a typical extension or renovation take? ### Are you accredited and insured? ### What areas of Derbyshire do you cover? ### Do you help with planning permission and building regulations? ### What's covered by your 10-year guarantee? ### How do I get a free quote? ## Ready to Make Your Building Vision a Reality? Chesterfield's trusted team for all aspects of building work. Don't wait to upgrade your home's comfort, style, and value — get your free, no-obligation quote today. [Request Free Quote](/contact)[07891 214075](tel:07891214075) ![JBW Construction Services Ltd - Trusted Builders in Chesterfield](https://images.leadconnectorhq.com/image/f_webp/q_80/r_1200/u_https://assets.cdn.filesafe.space/yXra3JCgP353TG568Gg2/media/690e5703696129f26a2ce681.webp) Derbyshire's trusted builders delivering quality construction, renovations, and conversions for over 25 years. [](https://www.facebook.com/jbwconstructionservices)[](https://www.instagram.com/jbwconstruction) ![Federation of Master Builders accredited builder Chesterfield](https://images.leadconnectorhq.com/image/f_webp/q_80/r_1200/u_https://assets.cdn.filesafe.space/yXra3JCgP353TG568Gg2/media/dd54d709-73b9-4a0b-bd3f-742cb0d91f86.webp)![Derbyshire Trusted Trader approved construction company](https://images.leadconnectorhq.com/image/f_webp/q_80/r_1200/u_https://assets.cdn.filesafe.space/yXra3JCgP353TG568Gg2/media/48e96152-a117-493c-946e-d27f3f28b3d0.webp) ### Navigation - [Home](/) - [About](/about) - [Services](/services) - [Our Work](/gallery) - [Reviews](/testimonials) - [Specials](/specials) - [Areas We Cover](/areas-we-cover) - [Contact Us](/contact) ### Services - [Extensions](/property-extensions-chesterfield) - [New Builds](/new-builds-chesterfield) - [Barn Conversions](/barn-conversion-chesterfield) - [Garage Conversions](/garage-conversions-chesterfield) - [Loft Conversions](/loft-conversions-chesterfield) - [Refurbishments](/building-refurbishment-chesterfield) - [Shop Fit-Outs](/shop-fit-outs-chesterfield) - [Commercial](/commercial) ### Areas - [Builders in Chesterfield](/chesterfield-builder) - [Builders in Matlock](/matlock-builder) - [Builders in Peak District](/builders-in-peak-district) - [Builders in Sheffield](/builders-in-sheffield) - [Builders in Dronfield](/builders-in-dronfield) - [Builders in Rotherham](/builders-in-rotherham) ### Get In Touch [07891 214075](tel:07891214075)[info@jbwconstruction.co.uk](mailto:info@jbwconstruction.co.uk) Salisbury Ave, Chesterfield S41 8PQ © 2026 JBW Construction Services Ltd. 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