Business Details
41 Years
experience
Your Trusted Construction Partner in Northampton
Established in 1985, Ellmark Design & Build has dedicated over 35 years to transforming property visions into reality. As a family-run business, we specialise in residential and commercial projects, offering a comprehensive 'turnkey' service from initial design and planning to interior design and furnishing. Our expertise spans large-scale home extensions, heritage property restoration, office conversions, and sustainable new builds. Led by directors Stuart Ellis and Jamie Ellis, our team combines traditional craftsmanship with modern techniques like SIPS and timber framing to deliver bespoke solutions.We pride ourselves on meticulous planning, attention to detail, and maintaining open communication throughout every project phase. Our extensive experience across Northamptonshire and surrounding counties ensures we understand local planning requirements and architectural nuances. From single-story extensions to complete barn conversions, we work closely with clients to maximise property potential while adhering to strict quality standards. Our commitment to excellence has been showcased on Channel 4's George Clarke's Remarkable Renovations, demonstrating our ability to deliver exceptional results.
Services
Property Refurbishments
Home Extensions
Commercial Projects
Heritage Restoration
Sustainable New Builds
Office Conversions
Barn Conversions
Design Consultations
Project Management
Planning Applications
Details
- Year established: 1985
Highlights and features
- We deliver bespoke projects combining modern SIPS technology with traditional craftsmanship
- Our team has completed over 35 years of successful residential and commercial builds
- Family-run business with direct involvement from founding directors in every project
- Proven expertise in navigating complex heritage property restoration challenges
- We provide end-to-end solutions from planning permissions to interior design completion
Services
Property Refurbishments
We transform tired properties into modern, functional spaces while maintaining architectural integrity. Our specialists conduct thorough assessments to create detailed renovation plans that address structural needs and enhance living environments. From updating period properties to modernising commercial spaces, we ensure energy efficiency improvements and contemporary upgrades while preserving original features where appropriate.
Heritage Restoration
Specialist restoration of listed buildings and historic homes requires unique expertise. We meticulously preserve original materials and architectural features while implementing necessary modernisations. Our team works within conservation guidelines to maintain historical authenticity, employing traditional techniques for repairing timber frames, stone walls, and ornate detailing while integrating contemporary comforts discreetly.
Home Extensions
We design and construct bespoke residential extensions to maximise property potential. From single-storey additions to grand multi-level expansions, our process begins with feasibility studies and planning permission applications. We ensure structural integrity while creating functional, aesthetically pleasing spaces that seamlessly integrate with existing architecture, using premium materials for lasting durability.
Sustainable New Builds
Our modern construction methods prioritise environmental responsibility and energy efficiency. Utilising Structural Insulated Panels (SIPS) and timber framing systems, we create buildings with excellent thermal performance and reduced carbon footprint. This technology enables faster construction times while maintaining exceptional build quality, delivering comfortable, cost-effective living and working environments.
Commercial Projects
We transform commercial spaces for optimal functionality and aesthetic appeal. Our services include office conversions, retail space modernization, and industrial property repurposing. We manage all aspects from initial design concepts through to final fit-out, ensuring compliance with commercial regulations while creating productive environments tailored to business needs.
People
Stuart Ellis
Founder & Director
With over three decades of construction experience, Stuart founded Ellmark in 1985. His leadership ensures every project maintains the highest standards. He specialises in combining traditional building methods with modern innovations to deliver exceptional property solutions. Stuart's expertise in navigating planning challenges and his commitment to quality have established Ellmark's reputation for excellence.
Jamie Ellis
Project Director
Bringing fresh perspectives to the family business, Jamie oversees daily operations and site management. With extensive technical knowledge and a focus on practical execution, he ensures projects progress smoothly from start to finish. His hands-on approach and attention to detail maintain the high standards established by the company's legacy.
Questions
Do you work on listed buildings or period properties?
Yes, we have extensive experience with heritage properties, maintaining original features while modernising interiors in compliance with conservation guidelines.
Can you help with obtaining planning permissions?
We provide full assistance with planning applications, including feasibility studies and detailed architectural drawings to support successful approvals.
What areas do you cover for residential projects?
We operate primarily in Northamptonshire and surrounding counties including Leicestershire, Buckinghamshire and Oxfordshire.
How experienced is your team with large extensions?
With over 35 years' experience, we specialise in grand extensions including double-height designs and complex structural modifications.
Do you use sustainable building methods?
Yes, we employ modern techniques like SIPS and timber framing for improved energy efficiency and reduced environmental impact.
Can you manage complete property renovations?
We offer full renovation services from concept to completion, including structural upgrades, interior design and exterior landscaping.
