Sash windows originated in the latter part of the 17th century. At first they featured many small panes of glass held together by wide glazing bars. Within a few decades, improvements in glass allowed slimmer glazing bars and fewer individual panes. Soon the box sash window became the norm for all bar small rural dwellings. We're still seeing improvements in glass. That's one reason why sash windows are still evolving. It's also because we expect more - we want homes that are warmer, cleaner and safer than those of our predecessors.

The simple lines are ideal for older, heritage properties, but these windows also cut a dash with more contemporary and minimalist architectural styles. The design classic with its outwards opening panes will never go out of style. From a simple arrangement with a single opener to a beautiful bay, flush casement windows suit so many homes and building types. And here's the real beauty - Optima casements are adaptable. You choose the layout to suit your home: the size and position of the opening lights, the location of handles and all the finishing touches.

Your choice of windows and doors will transform your home or building project and represents an important investment. Aluminium is the preferred material of astute architects looking for longevity, performance, good looks and superb lifetime value for money. You can rest assured that our products are tested to the latest British Standards and will be installed to comply with the latest UK Building Regulations. All of our products go through a thorough quality control system that is independently audited twice a year by British Standards to ISO 9001:2008.

Your front door makes an important statement. It's the first thing people see, so you want it to be stylish and welcoming. But you also want it to be strong and secure, because not all visitors are welcome ones. Official crime statistics from The Home Office confirm that 67% of burglars break in through the door. We offer probably the largest range of doors anywhere in the UK. We can install PVC-U doors, composite doors, sliding patio doors, French/double doors, bi-folding doors, the list goes on and on.

The style of your beautifully designed and carefully manufactured bi-folding doors are easily matched to the existing style of your home and provide a smooth transition between indoor and outdoor space. Our Aluminium Bi-folding Door frames and mechanisms are designed to give optimum strength and durability to ensure a structurally sound product that requires minimal maintenance to deliver reliable performance over a lifetime of use. In most instances, it is possible to have integral blinds fitted within your bi-folding doors.

Bay and Bow windows will not only add distinction and character to a house - they add space too. The 'arc' of the Bow window offers a larger internal window ledge area, and the Bay actually extends the footprint of the room it fronts. A bay window is typically built as part of the house, with the window following the contour of the wall. A bow window on the other hand, may be built retrospectivly with an underside support. Whatever your requirements, an extensive range of styles and options means that you can create a distinctive, stylish look.

It's fair to say that Roofline products aren't the most glamorous of items, however they are an essential part of the fabric of your home. Our fascia boards, soffit boards and rainwater goods are available in a wide range of colours, to complement your windows, doors and external wall finish. An occasional wash down will keep your roofline products looking as good as the day they were fitted.

Each window is manufactured using the very latest technologies and processes to create the finest finish to your windows. Exceptional Energy Performance Achieve a Window Energy 'A' Rating when used in conjunction with the correct double- or triple-glazed unit.

Blurring the lines between where a home ends and a garden begins, our Bi-Fold Doors create unique living spaces as versatile as they are beautiful. Imagine a garden party where you could relax in the comfort of your favourite armchair and still feel part of the fun. Imagine a gentle summer breeze carrying the scent of freshly-cut grass into your home.

After a lot of research I decided to use Ultimate to replace the windows and doors in my house. I am delighted with the service received! From start to finish everything was fantastic. The best bit was that there was no hard sell and no pressure to buy. The service was excellent from the initial contact right through to the end of the job! The lads who fitted the windows were great - on time, cleaned up and were friendly and respectful. If you're looking for windows and doors I cannot recommend Ultimate enough! Thanks for a great service

Excellent service, would highly recommended Ultimate. Very friendly and helpful and reasonable prices. Love my new windows and door

Absolutely love my new patio door and kitchen window from ultimate windows! Thankyou so much Rhodri, Arwyn and Keiran for a first class service and I would definitely recommend to anyone.

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Excellent service from start to finish. Very professional and prices are spot on. Even during covid and lockdowns they still managed to get the installation done and what an excellent job the guys done at fitting.

Posted on Feb 26, 2021  •  Facebook

Recruiting now! Full-time, permanent role - Salary 20k - Immediate start.

Posted on Jan 31, 2021  •  Facebook

Our sliding door systems offer stunning looks combined with maximum performance. The biggest advantage of fitting a sliding door is the better views and the larger panes of glass. Better still, sliding doors are slimmer, secure, very weather resistant and easy to slide whatever their size. They also.

Posted on Jan 19, 2021  •  Facebook

Our slim-line aluminium bi-folding doors are bespoke and manufactured to exact requirements. Our bi-fold doors will keep your home warm and secure, whilst allowing you to enjoy increased levels of natural light.

Posted on Jan 18, 2021  •  Facebook

Working from home? Looking for more space? Is your existing conservatory too hot in summer and too cold in winter?… https://t.co/t1mCOxAGMo

Posted on Jan 14, 2021  •  Twitter

Breaking News! We have just released free online quotation software on our website https://t.co/WeEdN0phsP This wi… https://t.co/uVnjo527L9

Posted on Jan 13, 2021  •  Twitter

Phase 2 of a window and door replacement schedule at Brunswick Court SA1 was completed on time and on budget for ou… https://t.co/TNjXmQmvJP

Posted on Jan 12, 2021  •  Twitter

The @endurancedoors Alto is definitely one of our favourite composite door designs https://t.co/yF6jAM2fpL

Posted on Jan 11, 2021  •  Twitter

PVC-u is a much greener product than many people think. Its main ingredient is common salt! It can be recycled man… https://t.co/Fsw3fv0CqT

Posted on Jan 09, 2021  •  Twitter

@WelshGovernment can you please clarify what this latest lock-down means for the construction industry? Can constru… https://t.co/opHVA6ZkYH

Posted on Oct 19, 2020  •  Twitter

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