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Business Details
37 Years
experience
Premium PVCu Windows & Doors in Louth
Spire Windows has been a trusted name in home improvement for over 40 years, specialising in the design, manufacture, and installation of premium PVCu windows, doors, and conservatories across Lincolnshire and Yorkshire. As a family-run business, we combine decades of industry expertise with a commitment to quality, offering bespoke solutions tailored to individual customer needs. Our products are crafted in our Louth factory, ensuring adherence to British Standards and exceeding EU regulations. With a 10-year in-house guarantee, we prioritise customer satisfaction through a transparent, end-to-end servicefrom initial consultation to aftercare.

Recognised by FENSA and Checkatrade for our high service standards, we maintain a customer-centric approach, delivering energy-efficient, secure, and aesthetically pleasing installations. Our team of skilled professionals ensures minimal disruption during installation, supported by a legacy of word-of-mouth recommendations and repeat business. By investing in continuous innovation, we provide sustainable, low-maintenance solutions that enhance property value and comfort.
Services
PVCu Windows Composite Doors Conservatories Thermotec Roofs Orangeries
Details
  • Year established: 1989
Highlights and features
  • 40 years of industry expertise in bespoke home improvements
  • Family-run business with UK-based manufacturing
  • 10-year in-house guarantee on all products
  • Award-winning customer service with Checkatrade recognition
  • Bespoke designs tailored to individual property needs
Associations and certifications
  • Checkatrade
  • FENSA
What people say
Excellent work Professional and friendly No fault found Brilliant job Pleasure having them
Services
PVCu Windows
Our PVCu windows combine durability with energy efficiency, featuring multi-chambered profiles and advanced glazing to reduce heat loss and noise pollution. Available in casement, sash, and bay designs, they offer customisation in colour and finish while maintaining security through patented locking systems. Each installation includes a 10-year guarantee, ensuring long-term performance and aesthetic appeal.
Composite Doors
Composite doors provide enhanced security and thermal efficiency, constructed with a timber core, insulation foam, and GRP skin. Available in various styles and finishes, they resist fading and require minimal maintenance. Fitted with high-security locks approved by Safe and Secure, these doors offer peace of mind alongside aesthetic versatility.
Conservatories
Designed and built to UK standards, our conservatories offer year-round usability with double glazing and ventilation systems. Styles include Victorian, Edwardian, and lean-to, all customisable to match property architecture. The 10-year guarantee covers structural integrity, ensuring durability against weather and wear.
Thermotec Roofs
Thermotec insulated roofs upgrade existing conservatories with lightweight aluminium panels, improving thermal efficiency and reducing summer heat. Installation completes in a day, transforming spaces into comfortable, energy-efficient rooms without structural disruption.
Orangeries
Orangeries merge the benefits of conservatories and traditional extensions, featuring brick dwarf walls and glazed panels for privacy and light. Customisable with matching brickwork and thermal glazing, they enhance property value while offering versatile living spaces with year-round comfort.
Questions
What is the cost of uPVC windows for a 3-bedroom house?
Costs vary based on size, style, and customisation. Spire Windows offers transparent pricing with no hidden fees, ensuring competitive rates due to in-house manufacturing.
How long do uPVC windows last?
With proper care, uPVC windows last over 20 years. Spire’s products are designed for longevity, supported by a 10-year guarantee.
Do I need planning permission for a conservatory?
Most conservatories don’t require planning permission. Spire Windows can advise on permitted development rules and manage applications if needed.
Are new doors a good investment?
Yes, new uPVC or composite doors improve security, energy efficiency, and property value, with Spire’s installations offering a strong return on investment.
What’s the difference between uPVC and composite doors?
uPVC doors are made from durable plastic, while composite doors combine materials like timber and GRP for enhanced strength and aesthetics.