uPVC Windows and doors are an excellent low-maintenance alternative to traditional timber products. Available in a wide range of styles and colours, uPVC windows and doors provide many benefits including durability, additional security, sound proofing and improved insulation.


At Alpha Builders all of our windows are made from high-quality materials using the latest innovations and technology. We source and install a wide range of double and triple glazed windows including bow and bay windows, casement windows and flush sash windows.

When it comes to choice, our window frames are available in a number of different colours with a wide range of glazing options. No matter what type of property you live in, we’ll have the perfect finish to suit yor style.

uPVC Doors and Composite Doors

When it comes to keeping your property safe, uPVC and composite doors are an excellent solution. The construction and materials used provide superb security and they are able withstand whatever the changing British weather can throw at them.

The uPVC and composite doors we fit come in huge variety of styles, finishes and colours. With additional options for surrounds, glazing and fittings, these hard-wearing doors are a perfect for all types of properties.

What’s the difference between uPVC doors and composite doors?

While uPVC doors and composite doors look similar, the main difference is in their materials and how they’re made. As their name suggests uPVC doors are mostly made of plastic and composite doors are made of a mix of materials. When it comes strength and durability, composite doors wins hands down which oftern makes a uPVC door are a more affordable solution.

Bi-Fold Doors and French Doors

Bi-fold doors continue to be a popular choice for home owners who are looking to increase natural light and add a modern touch. The doors are designed to open by folding on themsleves so they don’t require much space even for the widest of openings. Alpha Builders only use premium products so the bi-fold doors we fit are guaranteed to be long-lasting and provide enhanced security and insulation.

French doors and sliding patio doors are another good option to maximise nautral light and open up your property to the outside. More suited to a smaller opening than bi-fold doors, they are a cheaper alternative yet with a good choice of styles and colours, you can still have that wow factor.


A cost-effective way to add extra space to a residential and commericial property, conservatories have always been in demand and in more recent times, they have gained popularity as a home office solution. Available in different styles and constructed with quality materials, modern conservatories are thermally efficient and built to last.

Types of Conservatory

There are a number of different designs to consider when choosing a conservatory including the style, colour, interior and shape. What works for one property, may not work for another. The most frequently requested types of conservatories in Liverpool are Lean-To, Victorian, Edwardian or Georgian, P-Shape, T-Shape, Orangery and Gable.