The Double Glazing and Conservatory Ombudsman Scheme (DGCOS) aims to protect consumers as well as improving the reputation of the glazing industry.

You can expect real consumer protection, with all members being thoroughly vetted to guarantee an exceptional service. DGCOS has helped thousands of consumers by recommending trusted and reputable double glazing installers.

When you choose a DGCOS member you are guaranteed high quality protection from initial contract, right through to installation and even throughout the lifetime of your product guarantee.

What is an Ombudsman?

The DGCOS organisation provides free access to an independent, impartial Ombudsman who can investigate and provide legal redress to any complaints made.

DGCOS OmbudsmanThe Ombudsman is completely independent and is given full authority to provide a dispute resolution service. He will investigate any complaint involving a member and any installation which took place during their membership.

The Ombudsman provides:

  • An independent, free and impartial service to consumers
  • A dispute service-without the need to go to court
  • Fair and just decisions and actions – independent of both members and consumers.
  • Financial awards for any loss, distress, inconvenience or breach of contract

The DGCOS Promise

The DGCOS promise genuine protection for the consumer so you can confidently purchase your order knowing that your home will be in safe hands.

All members are continually checked and vetted throughout their membership to ensure they are trading and working ethically. All members must provide consumers with a high level of service and satisfaction, upholding the DGCOS promise.

Ongoing Vetting

All customers are sent a Satisfaction Questionnaire and pre-paid envelope. All replies are entered into the DGCOS performance system where results are monitored. There is also an annual review of credit checks and public/employer liability instance.

12 Point Accreditation Process For Installers

DGCOS has a 12 point accreditation process in which every installer must meet before being offered the membership. Becoming a member of the DGCOS isn’t easy.

DGCOS AccreditationAll Members Must As A Minimum:

  • Undergo a five point credit and background history check
  • Provide DGCOS with a minimum of 10 customer references from work carried out within the last 12 months and who can be independently approached
  • Provide DGCOS with a minimum of 4 supplier references who can be independently approached
  • Provide a copy of their current Health and Safety Policy
  • Carry minimum insurances of: £2m Public Liability and £10m Employers Liability
  • Provide every customer with a written contract
  • Provide every customer with a written guarantee
  • Provide every customer with Deposit Protection Insurance
  • Provide every customer with an Insurance Backed Guarantee
  • Every installation must comply with building control regulations
  • Allow DGCOS Inspectors to inspect any installation
  • Allow DGCOS to send every customer a Satisfaction Survey
  • Submit to the legal jurisdiction of DGCOS and the Ombudsman

The Benefits of Using A DGCOS Member

DGCOS provides an exceptionally high level of protection for consumers so when you choose a DGCOS accredited installer, you can be secure in the knowledge that you are using a credible and competent installer. By choosing their members, you avoid any cowboy builders or rogue traders.

  • DGCOS BenefitsThe scheme is fully endorsed by Nick Ross – former BBC Watchdog & Crimewatch Presenter
  • Fully accredited installers
  • Free consumer advice line: 0800 195 9433
  • Free deposit and Stage Payment protection (up to 25% of the contract value)
  • Free insurance backed guarantee for every customer
  • Free mediation
  • Free independent inspections
  • Free access to The Ombudsman
  • Free access to a Compensation Fund so you will never be left disadvantaged

Consumer Protection

Every customer of an accredited DGCOS member will receive a deposit and stage payment protection, as well as an Insurance Backed Guarantee – all part of the comprehensive protection plan offered by the scheme.

Accredited members will register your details on the online system within 48 hours of you signing the contract with them. DGCOS will then provide you with your insurance certificate and once the installation is complete, you will also be issued an Insurance Backed Guarantee along with a customer satisfaction survey.

DGCOS InstallersDeposit and Stage Protection Payment

The deposit and stage payment policy protects any monies you pay up to 25% of the contract value, with the maximum limit being £50,000. This policy lasts up to 90 days from the date the deposit is paid but for larger projects, this policy may be extended.

Insurance Backed Guarantee

The Insurance Backed Guarantee lasts for up to 10 years and protects the guarantee you receive from your installer upon the completion of the job. If your installer ceases to trade and you require work done within the duration of your guarantee, you can make a claim on your insurance policy. Just contact DGCOS or the insurer directly.

Compensation Fund

When you choose a DGCOS installer, not only will you have access to their comprehensive insurance policies, you will also have access to a unique Compensation Fund. The fund will honour any awards made by the Ombudsman so any money drawn from the fund must be done with the Ombudsman’s authorisation.


Frequently Asked Double Glazing Questions

Frequently Asked Double Glazing Questions

How Much Does A Conservatory Cost?

Your conservatory cost will depend on its specification. Your conservatory size, style, finishes, glazing and build are all factors which will determine the overall price. The good news is, you can now calculate the cost of your conservatory online using our handy online quote builder.

Do I Need Conservatory Planning Permission?

Conservatories are seen as a permitted development, however you may require conservatory planning permission if you have a listed property or if you are living within a conservation area.

Should I Buy A DIY Conservatory?

A DIY conservatory can be a great option if you have the required knowledge and building skills. It can be an expensive choice however, if anything should go wrong. The best thing about a supply and fit conservatory is that your installer takes care of all of the work for you, this includes any building requirements or planning permission.

Why Should I Buy A Conservatory?

A conservatory is an affordable way to extend living space and will prove to be a worthy investment over time. Not only does it help improve the value of your property but it provides you with a multi-functional space to use all year round.

What is The Best Type of Conservatory?

When choosing the best type of conservatory for your home, your property and garden size as well as style have to be considered. For example if you lack garden space, you don't want a conservatory build that is going to be too overpowering. There are conservatory designs for all types of home and specification so any property, traditional or new can benefit from this airy extension.

Can Double Glazed Windows Reduce My Heating Bills?

When you install double glazing in your home or commercial property, it is likely that the extra heat retention will lessen the need to use central heating systems. In turn, this could mean you see a drop in heating bills. If you are concerned about your energy bills, it is easy to compare business energy or home energy online.

How Much Is A Conservatory?

A Conservatory is cost-effective way of expanding your home without needing planning permission in most cases. Conservatory prices start around £6000. Please refer to our pricing guides below to see how much a conservatory may cost you, or start a quote today.

Can Conservatories Only Be Made Out Of uPVC?

Conservatories can be made out of uPVC, timber and aluminium – it really depends on the style you want for your home. However, uPVC is the cheapest material to make a conservatory out of; timber and aluminium are significantly more expensive. Please check our pricing tables below to get more of an idea on costs or start a quote with us today.

Do I Need Planning Permission To Build My Conservatory?

In most cases, you do not need planning permission for a conservatory, however, it must reach certain guidelines. For example, it cannot exceed the height of the original structure of the home. Please check your local council site for more details (links are found in the 'Gateshead Information' section).

How Long Will My Conservatory Last?

Depending on the materials used to build it, the installation and the general maintenance for a conservatory, they usually have a life span of anywhere between 10-30 years. UPVC conservatories, on average last about 20 years.

How Much Does a Conservatory Cost?

Prices on conservatories begin around £6000, however, this will be dependent on the shape, size and style of your conservatory. Please refer to our pricing table below to get a better idea on how much a conservatory will cost or start a quote with us today.

What Materials Can You Build A Conservatory With?

Conservatories can be constructed with either timber, aluminium or uPVC, the latter being the cheaper material out of the three. Please consult our pricing guide below to get a better understanding of what a new conservatory may cost you.


Double Glazing Cost Calculator