Accreditations

You can be sure of a quality, professional job when you use Window Installation Services. We have years of experience in the supply and fitting of double glazing and we are very proud to have earned the following accreditations through our impeccable workmanship:

Liniar

Liniar
Window Installation Services work in partnership Liniar, the leading designer of intelligent uPVC profile. Liniar has completely transformed the double-glazing industry, developing an advanced multi chambered profile.

All Liniar uPVC windows and doors score highly on the WER chart. Helping you save your money on your heating bills.

  • Manufactured right here in the UK
  • 100% lead free profiles which are kinder for the environment
  • Liniar profiles are guaranteed against warping, cracking and discolouration for a full ten years

 

Smart Architectural Aluminium

CERTASS
As the demand for aluminium windows, doors and aluminium bi fold doors increases, we saw it fit to partner up with one of the leading aluminium suppliers – enabling us to supply and fit products of outstanding quality at the competitive WIS price!

We work with Smart Architectural Aluminium, one of the UK’s largest independent aluminium company.

  • Bespoke aluminium windows, doors and bi fold doors fabricated from the highest-grade products
  • Over forty years in the aluminium industry
  • Specially treated aluminium, protected against rust and erosion

 

Certass

CERTASSWe are members of Certass which is a Competent Person Scheme that covers the installation of replacement windows and doors. This means that we self-certify our work to all current UK building regulations and Certass registers the work with the relevant local authority.

The benefit to you is that our work is vetted by Certass so you can be sure of a professional and certified double glazing installation. As a member of Certass we are assessed for (among others) the following factors giving you the peace of mind that comes with using a reputable contractor:

  • Trading record and financial status
  • Estimates are provided in plain language
  • Guarantee wording is fair
  • You will be offered an insurance backed guarantee
  • Sample installations are annually inspected
  • Window installations meet current thermal rating regulations

 

Checkatrade

Checkatrade 4
Windows Installation Services are registered member of one of the UK’s most recognised and trusted bodies, Checkatrade. Essentially Checkatrade is an online review site, where the public review builders, plumbers, electricians and home improvement engineers.

Becoming a member of Checkatrade is not as easy as you may think. All members must be interviewed by a representative of Checkatrade whilst a full background check is carried out. What’s more our work is continuously monitored by professionals, on top of the public reviewing our work.

  • Honest reviews of our work
  • Nationwide service
  • Continuous monitoring of our work

 

TrustMark

Tust MarkTrustMark is a government licensed organisation that helps consumers find reputable and trustworthy tradesmen. This means, if you use a TrustMark registered double glazing company you can be sure of a professional installation.

Some of the benefits you will gain from using Window Installation Services, a TrustMark registered company, are as follows:

  • Our technical skills have been independently assessed through on-site inspection.
  • Our trading record and financial status has been independently checked.
  •  We subscribe to the TrustMark ‘code of practice’ which means we adhere to good health and safety practice and provide excellent customer care.
  • We can offer an Insurance Backed Warranty.

 

The Guild of Master Craftsmen

The Guild of Master CraftsmenWe are proud members of The Guild of Master Craftsmen. The Guild is an organisation set up to aid homeowners find reliable tradesmen to carry out work on their properties.

To become a member of The Guild of Master Craftsmen a company is required to submit testimonials from customers who would be willing to recommend the company to their close family and friends.

That’s why, when you use Window Installation Services, you can be sure that our work comes recommended by others who have used our services. Using us, a Guild member, you can rest assured we will provide you with an exemplary double glazing installation, after all, as the name suggests we are master craftsmen.

 

QA National Warranties

QA National WarrantiesWindow Installation Services are able to offer you QA National Warranties. This means your double glazing installation will be underwritten by Guarantee Protection Insurance Limited, a UK based, FSA registered insurer.

Any work we carry out for you comes with that extra safety net that only an insurance product can provide.


uPVC Windows uPVC Windows
uPVC Doors uPVC Doors
Composite Doors Composite Doors
Conservatories Conservatories
Aluminium Aluminium
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