Windows and Doors

Arrange your free quotation today

Windows and doors supplied and installed by experienced and professional Sheffield builders.

At LSM Builders we like to think of ourselves as a one stop shop! Whatever your building needs, we aim to provide and help.

Whether its a new build or existing replacement, we can supply A-rated double and triple glazed timber, aluminium and uPVC windows and doors.

No buy one get one free, no super discounted half price offer, no pushy sales people! just quality windows and doors at genuine affordable prices supplied and fitted by expert Sheffield builders

Bifold Doors
Composite Doors
uPVC Windows & Doors
Timber Windows & Doors
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Bifold Doors 


Bring the Outdoors, indoors with amazing bi folding doors supplied and fitted by LSM Builders

Wouldn't it be amazing to open up a room straight into your garden? or to fill your room with so much light it seems to double the space? Now you can with bi folding doors supplied and fitted by LSM Builders.

The multi fold door system not only looks elegant but adds the open plan feel to your home

With LSM Builders the layout of the doors is your design, choosing which end the main door will be at, how many panes (folds) , opening inward or out….. Making these doors completely your own.

The bi folding doors would be supplied and fitted by our expert Sheffield builders, who will ensure they are safe, secure and meet current building regulations standards.


Let Us Handle Every Aspect Of The Project

  • Submitting building control notice and liaising with LABC

  • Creating the new opening through your brick/block wall ready to receive the doors

  • Installing new steel RSJ’s/lintels as per the structural engineers specification

  • Supplying and installing your new bi-fold doors

  • Making-good after the doors are installed

We are a CERTASS registered company. We provide building regulations certification and insurance backed guarantees on all of our installations


These modern doors, a twist on traditional sliding doors can make any building more appealing. Extensions, conservatories and even outdoor offices can be transformed.

Composite Doors


We Supply and Install ENDURANCE Solid & Secure Composite Doors in Sheffield

Endurance Composite Doors are possibly one of best composite doors we have ever installed and we highly recommend their range in terms of quality and affordability.

For technical specification and to see just how impressive these doors are, take a look at their website.


The Best Composite Doors Supplied and Installed at The Best Prices

We supply and install a wide range composite doors to suit all budgets from leading manufacturers in the UK.


Contact us today and we will arrange for one of our tradesmen (not salesmen!) to visit your property and measure-up at a date and time convenient for you. Our friendly and helpful tradesmen will discuss your requirements and offer advice if required.

When you have chosen your door design, we will provide a  written quotation to supply and install your new composite door. We will also take away and dispose of your old door.

Let us know a convenient time to install your new door and we will do our very best to accommodate.


Instillation typically takes 4 hour per door to replace.

uPVC Windows & Doors


uPVC Windows and Doors Supplied and Fitted in Sheffield and Throughout South Yorkshire

The uPVC Windows and Doors that we supply and install are of the highest quality and come with a 10 year manufacturers warranty.

There is a wide variety of profiles and glass units available to suit your taste. We can usually match your existing windows and doors perfectly.


Find out if we can beat your current quotation


We can measure, order and install your new uPVC windows and doors in as little as 2 weeks.

Let us know a convenient day for one of our tradesmen to visit your property. They will measure-up your new uPVC windows and doors and offer any help and advice if required. We will then send you a written quotation to supply and install your new windows and doors.


We are a CERTASS registered company. All window and door installations are certified and include an insurance backed warranty for your complete peace of mind.

Timber Windows & Doors


Handmade timber windows and doors, built to your specification by local master craftsmen right here in Sheffield

We can create beautiful hardwood or softwood windows and doors that will compliment your property.


We can manufacture timber windows and doors to match exactly the existing windows and doors in your property.


We Design, Manufacture and Install.

Let us take care of ever detail. Contact us and arrange for one of our tradesmen (not pushy salesmen) to visit you property and discuss your requirements.

We will take all necessary measurements and provide a written quotation to supply and install your new timber windows and/or doors.


We are a CERTASS registered company

The wooden windows and doors that we supply and install will be certified. They also come with an insurance backed guarantee for your complete peace of mind.

Contact Us to arrange your free quotation without obligation.

Design & Build
Loft Conversions
Garage Conversions
Windows & Doors
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