Britannia Doubleglazing Arvostelua 

DO NOT DEAL WITH THEM.
It was a nightmare. The Sales Rep. Jamie,who was, so he told me later, a temporary contract employee and was not interested in the problems that transpired with the execution of the contract. He took the Deposit though.
The job entailed removing a downstairs Bay Window and an upstairs bedroom window. All of them 30 years old 'tilt & turn units.
Eventually, after many weeks waiting, the fitting took place. 3 guys arrived purporting to be engineers. One spoke some English and the others didn't. To cut a long story short The Units neither tilted or turned We found on later inspection that the frames were not level and the windows were not vertical.
The M.D of the company, "Mo" told me they would be sending people round to discuss and sort out the problem, They never arrived and ''Mo" never answered the phone or rang back.
With Autumn on the horizon I had to act. I got a local window company to assess the repairs required.
Verdict.....Rip them out and replace.
He said the work completed was 'shoddy and totally faulty.
The replacements are now complete and every thing works.
I learned a lesson that - "you don't buy at the doorstep". and don't ever do business with "Britannia -- Double Glazing at Nelson, Lancs"

DO NOT TOUCH THIS COMPANY! Scumbags! Taking money from the elderly! It’s a shame I have to give 1 star as I want to give zero. My elderly parents needed 2 windows replaced. The sales person went round and took a deposit from them. This was in October 2025, it’s now nearly May 2026 and not one contact from and not anything installed. I didn’t realise this and they only remembered recently that they had booked it. I have since chased and chased and the phone goes to an external receptionist who knows nothing and can’t redirect you call. Been told several times now that I would get a call back but nothing. Asked for a refund and nothing… I have now contacted action fraud and the trading standards. Disgusting company!

First of all I’m certain they referred to themselves as Britannia Windows and Doors, which led me to search up the wrong company (there is another company under this name which has much better reviews).
My experience: sales person came to give me a quote on a front door and two windows. I was still being pushed to pay a deposit after expressing multiple times that I wasn’t willing to spend any money that day. Managed to be given 24 hours to think on it and decided to go for the door because it really needed doing.
They came to install 15/12/2025 but installed the wrong colour frame on the outside. I called my point of contact and he tried to persuade me to keep it since it was more expensive. I said I’d like to stick with what I ordered and so they took the whole door off while they went to make and bring a new frame. Middle of December with no front door all day, no option but to sit and wait for it to be completed. I believe that the second attempt was rushed because my house was completely filled with the smell of chemicals that took a week to get rid of.
The door doesn’t actually meet the rubber seal and so it lets cold air in. The guys came back to ‘fix’ it but I see no difference.
A few weeks later I was contacted by someone from the company as a ‘courtesy call’. I explained the issue with the door and he organised for someone to come and have a look. No one turned up. Organised for another appointment by which I mean a date and time was agreed. They called me up the next morning which I missed, I called them back within 10 minutes and was told that they had given my appointment to someone else, and that I could rearrange for later in the day, which I did. When the time came, it wasn’t someone to fix the door but to give me a quote for the windows. I was asked when I was expecting to get the work done to which I replied I wasn’t sure because I need to get the funds together first. The sales person then explained that costs were due to go up in spring and so he would not give me a quote that day. Highly confusing since he’d already given me a quote (I still have the paperwork) and was told multiple times that quotes are fixed for 12 months. He left and said that someone would come to fix the door soon but no one turned up. I have tried messaging and calling both points of contact but had no response.
My door is that loose that you can hear it whistling on windy days 😂 £1300 spent to be left with the same problem I had before.

Composite door fitted. Front Door will not lock properly.Top glass wrong ly fitted. Ive been phoning, email and visiting the factory to tell them and still not even a phone call let alone a visit to fix after 3 months of complaining and having given all details. No care or customer service

I was looking to replace my back door was cold called by this company and as they were local and reasonably priced decided to give them a go day of installation they gave me 9am-10am time I had to ring them they didnt turn up till 3pm they fitted door but glass didnt fit they left without cleaning up supposed to call back monday to fit glass no show when I contacted them they advised me that glass had to be made elsewhere it would be delivered wednesday and fitted Thursday no show and no communication no reply to several messages left Door is very poor quality still no glass fitted only consolation I never paid in full

I had a UPVC door replaced by Britannia Double Glazing based in Nelson, Lancashire, back in December 2024, and within 4 days I could no longer lock it. I contacted the company and was promised someone would come out to sort it – but by February 2025 I was still waiting.
Then during the recent hot weather I couldn’t even close the door properly. After Googling a temporary fix, I contacted the company again. On three separate occasions they promised to send someone, yet here we are in September 2025 and, you guessed it, I’m still waiting.
In the end I had to pay a third-party door specialist to fix the mess. He had to completely strip the door back, trim around half an inch, then rebuild and refit it. I’ve not had a problem since, it now locks & closes.
The aftercare from Britannia Double Glazing is non-existent. Save your money and look elsewhere – you’ll thank yourself later.