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Areas We Cover

We cover Carmarthen to Swindon including Swansea, The Vale of Glamorgan, Cardiff, Newport, Bristol, Bath & Swindon.

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Areas We Cover

From our Taffs Well based Head Office we are perfectly located to help homeowners in North Cardiff chose their replacement double glazed windows & doors.  Even with the 20 mph speed limits we can easily get to you in Radyr, Morganstown, Pentyrch, Creigiau, Danescourt, St Fagans, Whitchurch, Birchgrove, Heath, Cyncoed, Llandaff, Roath, Thornhill as well as Central Cardiff.

Close to both the A470 & the M4 we can pop up to Pontypridd, over to Caerphilly & along the M4 to Swansea & Bridgend.  Heading East the M4 also gives us easy access to East Cardiff (Rumney, Pontprennau & St Mellons), Newport & Chepstow.  From there it’s just a quick hop over the Bristol Channel to Bristol, Weston Super Mare & along to Swindon.

However, if you’re not sure if we cover your area then give us a ring on 02921 900399 or email us

  • Barry
  • Bath
  • Bridgend
  • Bristol
  • Burnham on Sea
  • Caerleon
  • Caerphilly
  • Caldicot
  • Carmarthen
  • Cardiff
  • Cardiff Bay
  • Chepstow
  • Chippenham
  • Cowbridge
  • Cwmbran
  • Dinas Powys
  • Llanelli
  • Llantrisant
  • Llantwit Major
  • Lydney
  • Monmouth
  • Newport
  • Ogmore by Sea
  • Penarth
  • Pontypridd
  • Porthcawl
  • Portishead
  • Royal Wootton Bassett
  • St Mellons
  • Swansea
  • Swindon
  • Usk
  • Weston Super Mare

Get a quote for uPVC & aluminium windows, doors & bi-fold doors.

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BFRC logo Energy Efficiency ratings for Windows and Doors
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FENSA Approved Window & Door Installations
Planitherm Network Member
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What our Clients Say

"Jules, Kay, and the rest of the team are outstanding. Customer service from beginning to end went above and beyond. Every stage was explained and communicated so that we knew exactly what was happening and when. Some minor issues during fitting were resolved without any fuss and we now have some fantastic looking windows and a much warmer house! Pendragon are definitely changing the face of the window industry with the high quality service they are providing. I cannot recommend them highly enough." - Gareth, Risca
"Grate customer service and aftercare, friendly family run business. It’s was a quick turnaround from ordering to installing! Very pleased with my new windows and door. Highly recommended if you want a hassle free friendly experience 5*****" - Chrissy, Machen
"Thrilled with our new Endurance Door from Pendragon! Jules was great from start to finish, patiently guiding us through design ideas until we settled on the perfect fit. Communication couldn’t have been better throughout process and the installers were professional, tidy and did a great job. Highly recommended!" - Felicia, Chepstow
"I had an excellent service from Pendragon. Great advice from the start and helpful and considerate. The installation of my windows happened so quickly and smoothly with no fuss or mess and I know it was no small job removing the old windows so 10 out of 10 and thank you!" - Toby, Hereford
"Had a wonderful experience with this family owned and run business. Polite,curteous and helpful all the way through. Came and measured up,listend to what I required,provided a detailed quote and waited for my response,no pressure sales,kept me fully informed throughout the process. Windows and doors are made to measure,bespoke to your property and look amazing. And Wow the front door is stunning and the icing on the cake is that they were not even the most expensive company out there. A wonderful experience with a stunning end result. Definately recommend using Jules and his team. First Rate Company" - Lesley, Newport
"Excellent experience with Pendragon Home Improvements. Ordering was easy, kept us informed all through the process. Door was delivered quicker than expected. The fitters were polite, efficient, did a top class job and cleaned up any mess. Highly recommend this company." - Julia, Pontprennau Cardiff
"The prospect of having all my windows replaced was daunting. Firstly trying not to get completely ripped off and secondly delay and fit issues. For once I made a really good decision. I replaced all my window. 15 windows and two sets of sliding doors. The whole process was exactly as promised. Jules and Kay are great business owners and offer a genuine local service without trying to con you like all the others who quoted. Get them to quote you and make your mind up for yourself. I have also received my Guarantee and Fensa certs so all necessary paperwork is complete. My house is quieter less drafty cleaner looking and thermally more efficient. Thanks." - Lewis, Cyncoed, Cardiff
"Gwasanaeth grêt, cyfarthrebiad dda trwy gydol y gwaith, a phris resymmol iawn. Dwin adorchmynnu galw ar Jules a Kay os wyt ti angen newyddu ffenestri neu drysau yn y tŷ.

Great service, good communication throughout. I can recommend calling Jules and Kay for anyone wanting to renew their windows and doors." - Barry, Pontypridd

"Excellent service installing new windows and doors, couldn’t have asked for a better team from consultation to installation. Jules, Craig and Lee are all brilliant and know how to get the job done." - Donna, Newport
"Recently had two doors replaced by Pendragon Home Improvements. The whole process from consultation to fitting was smoothly dealt with by Joules and his team. We were kept updated at all times and the fitting was carried out without delay and to a high standard. I would not hesitate to recommend Pendragon Home Improvements." - John, Bridgend
"Amazing service, by an amazingly down to earth and professional business ! Talk to you through the process and happy to make changes honestly great value for money ! All the staff are friendly and professional, fitting was all done in less than a day to a great standard ! Thankyou !" - Thomas, Cardiff
"I would just like to Thank Jules and his Team at Pendragon Windows for their fabulous service. I now am the proud owner of Nine Fantastic New Windows!.Installation went smoothly provided by a truly professional team of guys who went above all my expectations where nothing was too much trouble. Fantastic Service at a really competitive price 👏. Thank you once again." - Daisy, Cardiff
"Highly recommend. Thank you for our gorgeous windows and front door. We were worried about who to go with but the whole experience was great. Jules listened to what we wanted and his recommendations were spot on. The fitters were quick and clean and we were kept up to date with the whole process. Will definitely use again when we need other windows replacing. 😄" - Sarah, Rhiwbina
FENSA Approved Window and Door Installations
We supply and fit ALUK Aluminium Windows and Doors
BFRC (British Fenestration Rating Council) Window and Door Energy and Noise Reduction Ratings
Proud members of the Glass and Glazing Federation (GGF)
Kubu Smart technology available on selected products
LEKA
We can supply the Liniar Profile for your replacement uPVC double glazed
Made in Britain
Made in Wales
Secured by Design
The Glazing Arbitration Scheme to give you the homeowner peace of mind
Yale Locks
We can supply the Optima Profile for your replacement uPVC double glazed
We can supply the Profile 22 Profile for your replacement uPVC double glazed
We can supply the VEKA Profile for your replacement uPVC double glazed windowsa

Quote Supplied

Our expert team will visit your property and provide a free quotation.

Contract

After acceptance, we will produce a written contract for you to sign.

Survey

Our team will then carry out a technical survey.

Products Ordered

We will then order your products from our specialist UK manufacturers.

Installation

Our team will then install your new windows & doors on a day that suits you.

Guarantee

Once the installation is complete, we will supply you with your FENSA certificate.

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Looking for Replacement uPVC Window & Composite Door Advice?

If you are looking for Advice about choosing your replacement uPVC windows or doors then here are some of the top articles from our Advice Centre.  Our Advice Centre is packed full of handy information about all aspects of replacement windows & doors

Useful Links

Double Glazing Cardiff

Composite Doors Cardiff

Endurance Doors Cardiff

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©2025 Pendragon Home Improvements Ltd.

Unit 16c, The Rombourne Business Centre, Moy Road, Taffs Well, Cardiff, CF15 7QR

Pendragon Home Improvements Ltd is an Introducer Appointed Representative of Ideal Sales Solutions Ltd T/A Ideal4Finance. Ideal Sales Solutions Ltd is a credit broker & not a lender (FRN 703401). Finance available subject to status. The rate offered is always provisional & will depend upon your personal circumstances, the loan amount & term.