Credentials & documents

What's in place and what we'll send you, with the certificate details so you can check them.

Registrations & insurance

FENSA approved window and door installationsInstallsureConstructionline Gold MemberSSIP Registered MemberOnce For All Health and Safety
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FENSA Approved Installer

Reg. no. 45140

Certified 10 September 2026. Installations in dwellings are self-certified to Building Regulations and notified to building control.

Check the FENSA register →

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Installsure insurance-backed guarantee

10 years

Domestic installations are protected by an insurance-backed guarantee that stays valid even if the installer stops trading.

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Companies House

Company no. 17274011

Ketos Glazing Ltd, registered in England and Wales. SIC 43342 Glazing.

View on Companies House →

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Public liability insurance

Certificate on request

Insurance certificates are provided with tender returns and before starting on site.

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Constructionline Gold

Member no. 1437856

Gold membership certified 13 October 2026, including the Building Safety module, pre-qualified for main contractors and public-sector buyers.

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SSIP health & safety (Once For All)

SSIP Registered Member

Once For All Health & Safety certificate issued 6 October 2026, valid to 6 October 2027.

Available on request

Main contractors and housing providers: we'll send any of these with your PQQ or before we start on site.

  • Health & Safety Policy (signed)
  • Risk assessments & method statements (RAMS)
  • COSHH assessments
  • Construction Phase Plan, domestic works
  • Training & competence matrix
  • Drug & alcohol policy
  • Building Safety Act procedures (8)
  • Inspection & test plan
  • O&M manual template

Request documents

Capability statement (PDF)

Two pages: company details, credentials, process, building safety and our Lewisham programme. 290 KB.

Want a price for your home?

A designer comes out to measure up at a time that suits you, and you get a fixed written price before anything is ordered.

Call Tommy on 020 7324 4804, send photos on WhatsApp to 07301 767786, or fill in the quote form.