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Premium Timber Windows Doors Conservatories North East England
Established with a commitment to excellence, Blackthorn Timber specialises in the supply and installation of high-performance timber windows, doors, and conservatories tailored to diverse property types. Our dedication to quality is evident in every made-to-measure product, crafted from premium materials such as FSC-certified engineered Redwood, Accoya, and hardwoods like Oak and Sapele. With a focus on precision and customer satisfaction, our skilled joiners ensure meticulous installation, supported by comprehensive after-sales service.

Operating from a North-East base, we serve regions from the Scottish Borders to York, offering nationwide supply beyond our installation area. Our reputation for reliability and craftsmanship is reflected in customer testimonials praising our attention to detail, professional teams, and bespoke solutions that enhance both traditional and modern properties.
Services
Timber Sash Windows Timber Casement Windows Timber Tilt and Turn Windows Stained Glass Windows Timber Entrance Doors Timber French Doors Timber Bifold Doors Timber Stable Doors Conservatories Alternative to Timber Range
Highlights and features
  • We offer a 30-year warranty against rot and fungal decay on most products.
  • Our installation teams are skilled craftsmen who take pride in their work.
  • We use FSC-certified engineered Redwood from well-managed forests in northern Sweden.
  • We provide nationwide supply of windows and doors beyond our installation area.
  • Our phone lines are manned 7 days a week for customer convenience.
Associations and certifications
  • Certass
  • FSC
What people say
Skilled craftsmen Excellent workmanship Professional service High-quality products Outstanding job
Services
Timber Sash Windows
Our timber sash windows combine classic aesthetics with modern performance, crafted from durable FSC-certified materials. Ideal for heritage properties, they feature precision engineering for smooth operation and energy efficiency. Each window is custom-made to match architectural specifications, ensuring seamless integration with historical or contemporary designs.
Timber Entrance Doors
Enhance your property's security and curb appeal with bespoke timber entrance doors. Available in traditional or modern styles, they are constructed from sustainably sourced hardwoods and engineered timber for longevity. Our doors include advanced locking systems and insulation, balancing elegance with practical functionality for residential and commercial spaces.
Conservatories
Create a light-filled living space with our custom conservatories, designed to complement both period and modern homes. Using thermally efficient glazing and robust timber frames, our structures provide year-round comfort. Each project includes tailored design consultations and expert installation to meet individual lifestyle needs.
Stained Glass Windows
Preserve or create bespoke stained glass windows that add character to any property. Our specialists restore original designs or craft new patterns using traditional techniques. The service includes UV-protective glazing to maintain vibrancy and durability, ensuring timeless beauty for heritage or contemporary settings.
Alternative to Timber Range
Our Blackthorn Choices range offers non-timber alternatives like composite doors and aluminium windows, replicating timber aesthetics with enhanced durability. These products feature low-maintenance finishes, superior thermal performance, and slim profiles for contemporary or heritage applications, expanding design possibilities without compromising quality.
Questions
What materials do you use for your timber windows and doors?
We use FSC-certified engineered Redwood, Accoya, and hardwoods like Oak and Sapele, ensuring sustainability and durability.
Do you offer nationwide supply and installation?
We install in regions from the Scottish Borders to York and supply nationwide beyond our installation area.
What warranties are provided?
Most products include a 30-year warranty against rot and fungal decay, with additional guarantees on workmanship.
Can you replicate historical window designs?
Yes, we specialise in restoring or creating stained glass and traditional sash/casement designs for heritage properties.
Are financing options available?
Yes, we offer certified finance plans to help spread the cost of your project.
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