Windows & Doors in Dorset
We have 40 years continuous experience in Doors & Windows
- 40 Years of Experience
- Family Run Local Business
- Full guidance with planning permission & building regulations
- Established at Sunrise Park for over 35 years
Expertly Installed. Beautifully Made. Built to Last.
David Fennings has spent more than 40 years supplying and installing windows and doors for homes across Dorset. What started as a local, family-run business in Blandford has grown into a trusted name for window and door installation throughout the county, without losing the personal approach that comes from being independently owned rather than part of a larger national group.
Because we handle design, supply and installation ourselves entirely, rather than passing you between different trades or subcontractors, you get one point of contact throughout the whole project, from the first conversation right through to the final fit and clean-up, with nothing left half-finished.
We work with homeowners on replacement windows and replacement doors in every single style of property, from period cottages to modern new-builds, and across uPVC, aluminium and timber systems. Whatever material you choose, our own FENSA-registered installation team fits every project to current building standards, and we guide you through planning permission and building regulations where they apply, so nothing important gets missed along the way.
We offer:
- uPVC, Aluminium, and Hardwood options
- Windows and doors for all property types and budgets
- Supply only or full installation
- All jobs backed by Home Improvement Protection
We work with trusted names like Eurocell, VEKA, Rehau (uPVC), and SMART Systems (Aluminium). For hardwood projects, we’ve partnered with a brilliant local joinery business right here in Blandford, supporting other family-run firms just like ours.
Our Workmanship Will Make Your Home Stand Out
Bespoke windows are not something that comes off a shelf. Our bespoke window options are made to measure for the specific opening, rather than fitted to a standard size and packed out to fit, which matters more than it sounds for both appearance and long-term performance.
- Our aluminium systems come in over 750 colours with durable powder-coat finishes
- Our uPVC ranges include classic white, wood-effect finishes in rosewood or cherry, and painted options
- Dual-colour options are no problem: green outside, white inside, we can do that
- All finishes are weather-tested, backed by a 10-year adhesion guarantee, and resistant to cracking, peeling or fading, even in harsh salt-air environments
And everything is fully compliant with British Standards and carries the appropriate Kite Marks for peace of mind.
Windows
Built to last. Designed to suit your home.
All our window systems — whether uPVC, Aluminium, or Hardwood — are made with long-term performance in mind. We help you choose the best material and style for your home, then handle everything from measurement to installation.
Why choose our windows?
- Huge range of finishes and colours
- Fully weather-tested with 10-year guarantees
- High energy performance and sound insulation
- Traditional and modern styles available
- Designed to match your home’s character
From sash and casement to tilt-and-turn, we’ve got it covered.
Benefits
- Standard Glass – Triple Glazed, Laminated/Toughened
- Multipoint Locking System – 5 point locking system with hooks and roller cams
- Security handle set
- Anti-Bump Locks – ULTION CYLINDERS
- Unique fully adjustable hinges rebated into door for discreet and perfect fit
- Triple sealed – giving double the weather protection of a standard flush door
- Optional low threshold – severe weather rated and for easy access
- Impact-resistant Thermoset GRP skin will not expand, contract or crack
- Maintenance free – just wipe clean and never needs painting
Composite Doors
Make a lasting first impression.
Our composite doors are built for performance and peace of mind. With a solid, water-resistant polymer core, reinforced with Laminated Veneer Lumber (LVL) and filled with 100% CFC-free foam, they deliver strength without the weight, and insulation without compromise.
Key features:
- Excellent thermal and sound insulation
- High-security multi-point locking
- Fully reinforced triple-sealed outer frame
- 40 colours to choose from, plus multiple woodgrain finishes
- Huge range of plain or decorative glass options
They look like real timber but perform like a modern engineered door, keeping your home secure and quiet for years to come.
Benefits
- Standard Glass – Triple Glazed, Laminated/Toughened
- Multipoint Locking System – 5 point locking system with hooks and roller cams
- Security handle set
- Anti-Bump Locks – ULTION CYLINDERS
- Unique fully adjustable hinges rebated into door for discreet and perfect fit
- Triple sealed – giving double the weather protection of a standard flush door
- Optional low threshold – severe weather rated and for easy access
- Impact-resistant Thermoset GRP skin will not expand, contract or crack
- Maintenance free – just wipe clean and never needs painting
Bi-Folding Doors
Open up your space — inside and out.
We’ve been fitting folding and sliding doors for decades — and we still treat every job like it’s the first. Whether you’re looking for sleek aluminium bi-folds, classic timber finishes, or sliding patio doors, we offer a full design and advisory service to help you choose the system that’s right for your home.
We’ll guide you through:
- Materials and finishes
- Opening configurations
- Sightlines and frame profiles
- Glazing options
- Energy ratings and security features
Let the light in — and bring the outdoors closer with folding doors that feel effortless to use and easy to live with.
Benefits
- Standard Glass – Triple Glazed, Laminated/Toughened
- Multipoint Locking System – 5 point locking system with hooks and roller cams
- Security handle set
- Anti-Bump Locks – ULTION CYLINDERS
- Unique fully adjustable hinges rebated into door for discreet and perfect fit
- Triple sealed – giving double the weather protection of a standard flush door
- Optional low threshold – severe weather rated and for easy access
- Impact-resistant Thermoset GRP skin will not expand, contract or crack
- Maintenance free – just wipe clean and never needs painting
Get in touch
Getting a quote is quick and easy. Simply fill in your details and we’ll call you right back.
Whether your requirements are DIY or a full package including planning approval and design, we treat all new customers with the careful consideration that should be applicable for their detailed research.
It has been appreciated over our many years experience, that the new inquirers will be seeking a supplier who is willing to patiently answer many early questions, provide reassurance that they will be appropriately guided and not to suggest any hasty decisions.
Just love it, thanks so much David Fennings
Our aluminium framed conservatory has now been up for 20 years and continues to give us as much pleasure as the day it was finished. We live in it for 90% of the year enjoying its warmth and sunshine during winter plus glorious outdoor style in summer. Just love it. Thanks so much David Fennings. A proper job that brings the Med lifestyle to Dorset.
Martin Shaw
We highly recommend them
This summer, we also have had fantastic service from David Fennings Conservatories – we highly recommend them. They were most responsive to our particular needs and we cannot fault the standard of workmanship. The quality of our conservatory is great and even in the cold weather we are using it as an everyday addition to our house.
Brian H
Highly professional, knowledgeable and genuine
David is a highly professional, knowledgeable and genuine gentleman that does not “hard-sell”. David and his team use only the best materials for the job at hand and are very experienced at what they do. Our current large conservatory has was installed originally by David and his team 24 years ago and still stands strong. I can highly recommend David Fennings Conservatories.
Aditi Shah
Correspondence was great
David did my aluminium double glazed by- folding doors at my house. The service from start to finish was superb. Correspondence was great. And the product is the best as my house backs on to the fleet at Weymouth where we get big south westerly winds carrying all the salt spray. They have been installed for 10 years now and operate and look new.
Nigel Swinden
We can’t recommend them enough
Fantastic service from David Fennings Conservatories – we can’t recommend them enough. Highly professional service, friendly and reassuring from start to finish. The quality of our conservatory is great and even in the cold weather we have used it as a great addition to our house.
Becki Crouch
FAQ’S
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Vestibulum fermentum dui eget eros tempor sodales. Nullam suscipit non libero eget egestas. Cras maximus, ex sed laoreet lacinia, velit est varius ex, eget interdum arcu nulla auctor urna. Mauris vel mauris eget tellus condimentum congue ac et nisl. Cras placerat aliquam purus a auctor. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Proin finibus urna dui, vitae hendrerit ante venenatis ac.