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Endorsed by Which?
Marathon Windows Ltd
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After undergoing rigorous assessment to become endorsed, every Which? Trusted Trader agrees to our Code of Conduct. This gives consumers the reassurance that they have the best possible protection and adds an extra layer of security to ensure best practices and procedures are followed. Which? fully investigates any breaches and will take any necessary action to ensure consumer protection.
About
Marathon Window Company - Installers of high quality thermally efficient double glazing products since 1975. Surreys leading specialist in designing and installing conservatories, orangeries, garage conversions, double glazing windows and replacement doors.
What we do
Double glazing
- Double glazing installation
- Double glazing repairs
- Double glazing suppliers
Conservatories
Doors
- Bi-fold doors
- Composite doors
- Front door
- Patio doors
- French doors
- Orangeries
- UPVC doors
- Timber doors
Glaziers
- Replacement window services and repairs
- Sash windows
- Aluminium Windows
- Window consultants
More Services
- plantation shutters
My work
This business has not added any photos yet.Customer reviews
Why you can trust these reviews
All reviews are verified as being genuine and a true customer of this trader.
How can we be so sure?
100% of the reviews we publish have been through our stringent moderation process.
4.9
181 reviews
Recommended
Recommended
by 99% of customers
Sort by
Excellent.
Customer Service
Quality
Value
Your fitter, Les, who works by himself, was very, very good and deserves a pay rise! Excellent work!
Which? Trusted Traders Consumer
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Recommended
Very pleased.
Customer Service
Quality
Value
This was the third time I have used Marathon Windows company. I am very pleased with the windows and personal service.
Which? Trusted Traders Consumer
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Recommended
Excellent
Customer Service
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Value
Efficient & courteous, helpful both times. Excellent & professional, skilled. Thank you.
Which? Trusted Traders Consumer
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Recommended
Excellent service.
Customer Service
Quality
Value
We have always had excellent service from Marathon over the years.
Which? Trusted Traders Consumer
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Recommended
Great service for over 20 years.
Customer Service
Quality
Value
We have used Marathon many times for over 20 years, and always had excellent service and products.
Which? Trusted Traders Consumer
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Recommended
Excellent fitters.
Customer Service
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Value
The fitter did a great job, thanks! So pleased with the outcome.
Which? Trusted Traders Consumer
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Recommended
Always happy
Customer Service
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Value
We are always happy to deal with your company.
Which? Trusted Traders Consumer
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Recommended
Fabulous finish.
Customer Service
Quality
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Very competitive price. Fabulous finish and quality.
Which? Trusted Traders Consumer
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Recommended
My Review
Customer Service
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Would welcome back anytime.
Which? Trusted Traders Consumer
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Recommended
A pleasure
Customer Service
Quality
Value
Very pleased with the product and your team. A pleasure to do business with you.
Which? Trusted Traders Consumer
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Recommended
Very pleased with work!
Customer Service
Quality
Value
Very pleased with the standard of work and particularly with the making good.
Which? Trusted Traders Consumer
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Recommended
A' rated
Customer Service
Quality
Value
Will certainly use Marathon in the future.
Which? Trusted Traders Consumer
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Recommended
Excellent
Customer Service
Quality
Value
I am very pleased with the new doors, they have been much admired! I would certainly have Marathon Windows again if I wanted further work done.
Which? Trusted Traders Consumer
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Recommended
Very pleased
Customer Service
Quality
Value
I have already had a conservatory and porch installed by your company and now windows. The work is always carried out effectively and with minimum interruption to my daily life
Which? Trusted Traders Consumer
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Recommended
Excellent
Customer Service
Quality
Value
The installers were very polite and a pleasure to have in my house. They were friendly and did a lovely job.
Which? Trusted Traders Consumer
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Recommended
Delighted!
Customer Service
Quality
Value
Delighted with my new door and windows! Excellent quality, I am so pleased! The installers were hard working and very considerate.
Which? Trusted Traders Consumer
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Recommended
Very satisfied
Customer Service
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Value
Purchased your products numerous times - always satisfied.
Which? Trusted Traders Consumer
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Recommended
Delighted with work
Customer Service
Quality
Value
We have always been pleased with your windows and so has our family
Which? Trusted Traders Consumer
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Recommended
Excellent
Customer Service
Quality
Value
Job completed in a timely manner with little disruption. All waste removed and new doors cleaned. Very polite fitters. All in all, very satisfied.
Which? Trusted Traders Consumer
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Recommended
Very happy
Customer Service
Quality
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Very happy with the work. Men introduced themselves and shook hands. Very polite and professional!
Which? Trusted Traders Consumer
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Recommended
Will use again
Customer Service
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Value
Adam & Gareth, the fitters, are a credit to your company. Excellent work.
Which? Trusted Traders Consumer
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Recommended
Will use again
Customer Service
Quality
Value
Couldn't be more happy with the patio doors and the installers. Will use you again and again.
Which? Trusted Traders Consumer
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Recommended
Charming company.
Customer Service
Quality
Value
Two very nice men carried out the work to a very high standard. There was a slight scratch on part of the frame but the men came back to sort problem. Very satisfied customer!
Which? Trusted Traders Consumer
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Recommended
Certainly recommend
Customer Service
Quality
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I will certainly recommend and your staff were so good.
Which? Trusted Traders Consumer
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Recommended
Outstanding work
Customer Service
Quality
Value
Your installers, Gareth & Adam, were extremely polite, professional & helpful. We are thrilled with the quality of our new windows!!
Mike, Surrey
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Recommended