Business Details
17 Years
experience
Trusted Windows and Doors Installer in Barnsley
Established in 2009, D&I Home Improvements has become a trusted name in South Yorkshire for premium window, door, and conservatory installations. Our founders, Dave and Ian, bring over 50 years of combined experience in the double-glazing industry, ensuring every project benefits from deep technical knowledge and customer-focused service. We specialise in supplying and installing energy-efficient windows, composite doors, hup! conservatories, and garden rooms, using materials that meet modern environmental standards. Accredited by FENSA, the Federation of Master Builders, and Which? Trusted Traders, we guarantee compliance with building regulations and industry best practices.Our commitment to quality is reinforced by 10-year warranties on all double-glazed products, reflecting our confidence in long-term performance. With a dedicated Barnsley-based team, we serve Sheffield, Rotherham, Doncaster, and surrounding areas, offering tailored solutions through our online quoting engine or direct consultations. Customer satisfaction remains our priority, demonstrated through eco-friendly installations, weather-resistant materials, and a proven track record of 4.9/5-rated service across thousands of completed projects.
Services
Windows
Doors
Conservatories
Garden Rooms
Composite Decking
Details
- Year established: 2009
Highlights and features
- 50+ years combined experience in double-glazing installations
- 10-year warranties on all double-glazed windows and doors
- FENSA-accredited with compliance to building regulations
- Eco-friendly materials including recyclable aluminium windows
- Free online quoting engine for instant project cost estimates
Associations and certifications
- FENSA
- Federation of Master Builders
- Which? Trusted Traders
What people say
Excellent service
No fuss, no mess
Supurb job
Highly recommend
Accommodating and friendly
Services
Windows
We supply and install energy-efficient windows including uPVC, aluminium, and timber options. Our double and triple-glazed units reduce heat loss while enhancing security. Available in casement, flush, sliding sash, and bespoke designs to suit period and modern properties across South Yorkshire.
Doors
Our composite, aluminium, and uPVC doors combine durability with thermal efficiency. Options include entrance doors, bifold patio doors, and garage doors in custom colours. All installations come with 10-year warranties and meet FENSA compliance standards for security and insulation.
Conservatories
We create hup! conservatories and tiled-roof extensions using lightweight, energy-efficient materials. Designs include Victorian, Edwardian, and lean-to styles with rapid installation times. Our solutions improve home value while providing year-round usability through advanced thermal performance.
Garden Rooms
Custom-built garden rooms serve as offices, gyms, or living spaces. Constructed with insulated walls and eco-friendly materials, these structures feature quick assembly and weatherproof finishes. Ideal for expanding usable space without traditional building work disruptions.
Composite Decking
Durable composite decking solutions resist fading and moisture damage. Installed with low-maintenance materials that mimic natural wood aesthetics. Perfect for creating long-lasting patios and garden areas requiring minimal upkeep compared to traditional timber alternatives.
People
Dave
Co-Owner
With over 25 years in the double-glazing industry, Dave co-founded D&I Home Improvements to deliver quality installations. He oversees project management and customer relations, ensuring every client receives tailored solutions backed by technical expertise.
Ian
Co-Owner
Ian brings extensive fabrication experience to D&I Home Improvements. As co-owner, he manages product sourcing and installation standards, maintaining the company's commitment to energy-efficient solutions and 10-year warranty guarantees since 2009.
Questions
What areas do you cover for installations?
We operate across South Yorkshire, including Barnsley, Sheffield, Rotherham, Doncaster, Huddersfield, and Harrogate. Our Barnsley-based team provides free site surveys within these regions.
Are your installations FENSA-certified?
Yes, all our window and door installations meet FENSA compliance standards. This accreditation ensures building regulation approval without requiring separate council notifications for most projects.
Do you offer guarantees on products?
We provide 10-year warranties on all double-glazed windows and doors. Composite decking and conservatory installations come with manufacturer-backed guarantees covering materials and workmanship.
Can I get a quote online?
Use our free online quoting engine to calculate prices for standard windows, doors, and conservatories. For bespoke projects like garden rooms, contact our Barnsley team for a tailored quotation.
Are your materials eco-friendly?
We use recyclable aluminium, energy-efficient glazing, and sustainably sourced timber. Our products reduce heat loss by up to 30% compared to older installations, lowering household energy consumption across South Yorkshire properties.
