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New Windows, Doors, Conservatories,
Extensions, Porches, Fascias & Soffits,
Conservatory Roof Replacements & More

Highest quality windows & Doors in St Helens
WINDOWS DESIGNED TO WITHSTAND THE TEST OF TIME
New double glazed windows offer a range of benefits compared to single glazed windows or older uPVC windows. New windows from Lancashire Double Glazing can reduce exterior noise, improve security, reduce heat loss and increase your house’s curb appeal. Our double glass panels possess an advanced locking system to protect your privacy.
Stay secure with Lancashire Double Glazing, our windows are made from durable materials that have been designed to withstand forced entry with tested and proven security features. The options include uPVC or aluminium.
We help our clients in St Helens as well as their local area with top quality windows and home improvements. Looking for new windows, doors or other home improvements, contact us today.
High Quality uPVC & Composite Doors in St Helens
UPVC & COMPOSITE FRONT, PATIO, BI-FOLD AND FRENCH DOORS
A new front door gives a great first impression. Frame your new garden with a beautiful new back door. Extend your living space into your outdoor area with new patio doors. St Helens homeowners and homeowners in the UK love the doors they select from Lancashire Double Glazing.
Composite and UPVC doors from Lancashire Double Glazing are guaranteed to last and look excellent. Whether you’d like UPVC doors, Composite Doors, Bi-Fold Doors, traditional Patio Doors, or French Doors, we produce and install them all. If you’re considering installing a new door in your home in St Helens, or anywhere in Merseyside, just give us a call, email us, or fill out our contact form.
Conservatories St Helens
CONSERVATORIES, ORANGERIES, EXTENSIONS & BESPOKE ROOF SYSTEMS
Conservatories and orangeries by Lancashire Double Glazing can change a home’s dynamic, thanks to the extra space for family and friends, entertaining guests, or simply relaxing and spending time with family. Each one is different based on the needs of the user.
At Lancashire Double Glazing, we listen to your wishes, dreams, and requirements, whether simple or luxurious. Over the years we have manufactured and installed a variety of conservatories and orangeries in St Helens and across Merseyside. If you are looking for a conservatory in St Helens, just give us a call, send us an email, or fill out our Contact Form.
Conservatory Roof Replacements St Helens
WARM ROOF SYSTEMS
Warm roof is among the most recent developments in the field of home improvement. Therefore, it is very important that you replace it soon if you find your current conservatory roof outdated.
Our roof replacement services at a reasonable cost in St Helens convert a conservatory into a comfortable and relaxing area that is usable all year round: cosy and warm in the autumn and cool and fresh during the summer season.
Our exquisite conservatory and extension roof designs in St Helens come with a huge selection and options to choose from to create the perfect living space. Give us a call today for additional details.
House Extensions St Helens
CREATE THAT DREAM LIVING SPACE IN YOUR HOME
Imagine using that extra area to entertain guests, enjoy time with the family or for that much needed office space. A home extension in St Helens can create a flexible space that the whole family can use, bespoke to your own preferences.
We can create your home extension with all the latest fixtures and appliances. We are specialists in luxury extensions, conservatories and orangeries in St. Helens and all areas of Merseyside.
If you want to know more about our company, request a brochure, or get a no obligation quote.
Orangeries St Helens
BESPOKE ORANGERIES
Reap the benefits of a conservatory whilst retaining the feel of your own home and comfort. Orangeries offer more flexibility, better security and improved insulation than a traditional conservatory.
We are specialists in home improvements and offer unrivalled home improvement solutions for home owners in St Helens and across Merseyside. Our great reputation has been built on providing high quality home improvements, great customer service for a competitive prices.
Considering an orangery, conservatory or house extension in St Helens? Contact Lancashire Double Glazing today.
Porches St Helens
ENHANCE YOUR HOME WITH A PURPOSE BUILT PORCH
For St Helens and Lancashire-based homeowners, adding a porch enhances the visual attractiveness of the property and creates a memorable first impression. It also serves as a protective barrier between the exterior and your living space, helping to deter unwanted visitors. Moreover, a porch offers a convenient area for storing essentials like jackets, shoes, umbrellas, and parcels, ensuring your home remains organized and clutter-free.
Quick Quote
PROJECTS IN St. Helens
CASESTUDIES
We have you covered in St Helens
WE HAVE CLIENTS IN ALL AREAS AROUND ST HELENS
Double Glazing Lancashire master teams are spread all over St Helens, as well as throughout all of Lancashire. The excellent Lancashire standards are supported across the United Kingdom as well.
If you’re exploring for a professional glazing company to propose, manufacture, install and fit your special glazing solutions, you must call our business, let us know via our online contact form, or email us.
CUSTOMER REVIEWS
I have recently been let down with an appointment that had been arranged 10 days in advance for someone to come & look at the latest issue I have with a cold draft coming through my front door to which I received a phone call at lunch time on the same day they are due to attend to say they can no longer attend and that it will be another 10 days before someone can attend unless there is a cancellation, they think it is acceptable to leave customers with drafts coming through their front doors on the coldest months of the year because they are too busy with other jobs, they claim on their website to provide an excellent after care service well I wouldn’t call this an excellent after care service, we shouldn’t have to accept continuous repeated issues with our doors every summer/winter yet alone to have to wait so long for someone to attend to look and fix the issues when they do arise
I wouldn’t recommend this company especially in terms of after care, looking at other recent reviews it seems they are busy concentrating on new installations over after care of previous ones
The install team of Mark, Andy, and Craig, were brilliant. They were polite, respectful, and kept mess to a minimum. Cleaning up after themseves before leaving each day. Whole job took just 5 days, as promised.
I can't speak highly enough of them. The experience far exceeded our expectations.
Would recommend LDG. Thank you to all involved.
I had a very poor experience with Lancashire Double Glazing. I was sold what I was told were 60-minute fire-rated windows and was charged accordingly. I later discovered the windows installed were actually only 30-minute rated, which is completely unacceptable given the safety risks and the price.
When I raised the issue, the company tried to avoid taking responsibility and attempted to get out of putting things right. For something as important as fire safety, this behaviour is shocking.
Based on my experience, I would avoid this company at all costs. If you’ve already had fire windows fitted by them, I strongly recommend double-checking the ratings, as they may not be what you were sold or paid for.
I would particularly like to thank Steve for providing me with affordable quotes and Mark for his professional installation of our house doors.
I am very satisfied with the price, quality, and professional installation services provided.
There were a few glitches on the way especially navigating around my work commitment etc but it worked out in the end. The incorrect window was put in my back door but Owen sorted it out for me straight away.
John & Ethan did an excellent job installing the windows and John was brilliant with Ethan as his apprentice, very impressed
The salesman Kevin was very knowledgeable and helpful.
Also, As opposed to the many door/window sales that come knocking, it was very nice to walk round their showroom to see and feel the different window options (and ask lots of questions) rather than making a decision from a brochure.
Will defo use them again for future window fits.
Would highly recommend
Now im selling my house I realised I never received Fensa certificates, chased them. At first they said one lot hadnt been registered but it would be and I would receive the certificate shortly now they were registering it. When I said I didn't get a certificate for the other job they said I would have to buy one directly from Fensa, when I tried it turned out they hadn't registered that job either, why they claimed they had I dont know but it added a week on the hold up of getting a new EPC as I waited for them both.
Very pleased with the end product.
Carly and her team were first class from start to finish and I would highly recommend anyone to use this company for all there building and glazing needs. Top class service, thanks again Carly!
We would definitely recommend them to other people.
For reference I have built and converted homes for over 30 years now and never had these issues before.
I would fully recommend LDG to anyone.
Each window and door I needed was a different and bespoke size, and every one arrived on site and fitted perfectly, so much so that I am currently in the process of placing new orders with LDG for phase 2 of my build. Very competitively priced and also with a quick turnaround, they were delivered on time.
Highly recommended!
This is a simple 3m by 3.5m extension — two windows, a lantern skylight, and a set of double doors. We were told it would take a matter of weeks. Instead, we've had long periods with no one on site, poor communication throughout, and 3 months on there are still key elements left incomplete.
We're still waiting on:
Tiling to the exterior shell and steps.
Electrical issues (switches not working, spotlights incorrectly positioned).
Damage to the paintwork on the newly installed door and the door not shutting correctly.
Window and door frame finishing.
It has been up to us to chase subcontractors, manage timelines, and clean up after people — none of which we expected when paying a professional company to do a turnkey job.
I’m posting this review in the hope it spurs LDG into finally delivering on the project. We were promised a stress-free, quick build. It has been anything but.
Have used LDG for years, but their after sales service seems to be sadly lacking.
Had windows fitted no problems, but in less than a year one pane had failed, now here comes the comedy show of errors/not being bothered.
First engineer visit to assess fault- no show.
Second visit, faulty window measured and replacement confirmed.
Third visit, cancelled on day of appointment due to faulty replacement (days holiday taken)
Fourth visit, wrong sized window pane brought by fitter.( another days holiday taken)
Please reach out for a solution, starting to think that LDG couldn’t find organise a drinking session in a brewery.
Highly recommended
No high pressure sales technique just good advice and a good price,
Surveying done professionally, both John and Calum fitted the windows to a very good standard, turned up when they said they would and tidied up afterwards.
The plasterer and the sealer were pretty good also.
Would highly recommend LDG.
Signed up and paid deposit, salesman said doubted planning permission needed.
Then huge delay till go ahead.
Builders and fitters great.
Then all went wrong with plasterer that could not plaster!!
Totally ruined.
Then 2 guys came on separate occasions to rectify mistakes.
Still not great.
Cost us alot of money.For a botch job.
Then chased by manager ti pay final amount, No discount and slapped with extra £600,survey fee.
Our conservatory still not right.
Very sad, to put this review together.
THINK BEFORE YOU ORDER FROM
LANCASHIRE DOUBLE GLAZING.
SIMPLE CORDIAL BUSINESS TASK OF INFORMING -UPDATING A SICK PENSIONOR. THAT HE WILL BE HONOURED AND HAVE HIS INSTALLMENTS ON SCHEDULE . ABSOLUTE DISGUSTING ATTITUDE BY LDG.
Highly recommend
The installer Harry was just as professional. Arrived on time, got the job done in a timely manner and left the place clean after. All round great service and would recommend them to anyone asking about doors or windows.
The window fitters Paul and Lauren were excellent. Professional, friendly constantly keeping me in the loop of what they were doing on the day and making sure I agreed. They are an asset to the company. If you want windows/doors just go to the best and that really is LDG. Outstanding!!!
We asked for 30 min notification prior to turning up on three separate occasions and not once did that happen. One day they didn't turn up at all. Once installed they looked great from a distance but when you got closer it was a mess. I'd probably be hopeless at using silicone - but so was whoever did this one. I think 3 out of 6 windows needed silicone taking off and redoing. After the panelling was added and re silicone it did look so much better and they wasted no time in getting things sorted out once notified.
The welds on the frames are somewhat visible where the white has bled on the top of the grey. Most frames covered in transfer . Which all eventually can be filled in with a paint pen and the transfer can be rubbed off with a bit of elbow grease. They shouldn't really leave manufacturers before this is done but that's just my opinion. Some frames were scraped and scratched and handles scratched . These were flagged and these was rectified.
Workmen we're polite and friendly and very easy to get on with. They cleaned up after themselves every shift and worked hard to get things done.
The back door wouldn't lock at all. Had to leave completely unlocked overnight until someone could come and check it. Had to be readjusted and is now fine.
One of the panes of glass on the patio door 'shattered' during installation so we waited around 4 days after the installation was complete for a replacement. Once again no 30 min warning just turned up at the door. As soon as this piece of glass was fitted - like literally 2 whole minutes of leaving the house - the phone then rang from the office asking to settle the invoice . Which is completely and utterly rude to be asking for money after all the crap that went wrong without checking the pane.
Good job we didn't pay as the replacement glass we got had a massive scratch on the inside of the double glazing to which we waited another 2 to 3 days for that replacement.
Finally almost 3 weeks from start date we was at 100% , the windows and doors look brilliant now and it was a definite improvement over how it was before we started. Ultimately when you spend this much money you just expect things to be perfect and right the first time. I can't help but think we could have saved a couple thousand pounds and got the same result if not better somewhere else. It's unfair to give any lower than a 3 and I can't find reason to give any more also.
So I would say use at your own peril but please please check the work over and over again. In 20 years time - if they last that long - I probably wouldn't use this company again unfortunately and I wouldn't recommend to a friend or family . Maybe we just got a bad wave of hiccups based on the other reviews but that's my personal opinion.






