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Quality Double Glazing & Building Services in Weymouth
Alpha Windows has established itself as a trusted provider of high-quality uPVC and composite windows, doors, and conservatories across Dorset. Specialising in double and triple glazing solutions, we combine industry-leading manufacturers like VEKA and Planitherm with expert installation to deliver superior insulation and durability. Our commitment to craftsmanship extends to soffit, fascia, and guttering replacements, alongside comprehensive building services including renovations, kitchen and bathroom installations, and garden landscaping.

Serving Portland, Weymouth, and surrounding areas, we prioritise customer satisfaction through competitive pricing, local expertise, and a focus on long-term relationships. With a team of experienced professionals, we handle projects of all sizes, from minor repairs to full-scale renovations, ensuring every client receives tailored solutions that meet their specific needs.
Services
Double Glazing Windows Triple Glazing Windows Composite Doors Conservatories Soffit & Fascia Guttering Replacement Building Services Kitchen Installation Bathroom Installation Garden Landscaping
Highlights and features
  • We use industry-leading manufacturers like VEKA and Planitherm for superior quality.
  • Local expertise serving Portland, Weymouth, and the wider Dorset area.
  • Competitive pricing without compromising on craftsmanship or materials.
  • Experienced team handling projects from minor repairs to full renovations.
  • Comprehensive service including windows, doors, conservatories, and building works.
Services
Double Glazing Windows
Our double glazing windows combine VEKA uPVC frames with Planitherm energy-efficient glass for superior insulation and noise reduction. Available in modern tilt-and-turn or traditional sliding casement styles, these windows enhance home comfort while reducing energy bills. Ideal for Portland's coastal climate, they resist weather damage and require minimal maintenance.
Triple Glazing Windows
Triple glazing windows offer enhanced thermal efficiency with three glass panes for superior insulation against Dorset's westerly winds. Constructed with durable uPVC frames, these windows improve home security and reduce external noise. Perfect for energy-conscious homeowners seeking long-term savings and comfort.
Composite Doors
Composite doors feature a solid timber core with a GRP skin for exceptional strength and weather resistance. Available in woodgrain finishes, they combine modern security features with aesthetic appeal. These low-maintenance doors enhance property value while providing year-round durability in coastal environments.
Conservatories
Bespoke conservatories designed with VEKA uPVC frames create bright, functional living spaces. Tailored to integrate seamlessly with your home's architecture, these structures offer year-round usability. Ideal for entertaining or relaxation, they maximise natural light while maintaining thermal efficiency through high-performance glazing.
Building Services
Our building services cover complete renovations, kitchen/bathroom installations, and garden landscaping. With trusted contractors, we handle tasks from minor DIY jobs to full property transformations. Services include tiling, laminate flooring, fencing, pond construction, and roofing repairs, ensuring comprehensive home improvement solutions.
Questions
What services does Alpha Windows Portland offer?
We provide double/triple glazing windows, composite doors, conservatories, soffit/fascia/guttering replacements, and building services including renovations, kitchen/bathroom installations, and garden landscaping.
Which areas do you cover?
We serve Portland, Weymouth, and surrounding Dorset areas including Wyke Regis, Preston, Melcombe Regis, and the wider Dorset region.
What materials do you use?
We use high-quality uPVC and composite materials from trusted manufacturers like VEKA and Planitherm for durability and energy efficiency.
Can you handle emergency repairs?
We prioritise urgent issues like broken glass or locks but do not offer 24/7 emergency services. Contact us for prompt assistance.
Do you offer building services beyond windows and doors?
Yes, we provide complete building services including renovations, kitchen/bathroom installations, roofing, and garden landscaping.