Sinclair Electrical Contractors Limited
Window & double glazing company registered in Grays, Essex
Registered address
66 PORTER CLOSE, Grays RM20 4AS
✓ Active on Companies House
Companies House number07603188
IncorporatedApril 2011
15 years on the register
15 years on the register
Company typePrivate Limited Company
Trade (SIC 43320)Joinery installation (windows, doors & frames)
Accounts on fileMicro-entity accounts (smallest filing band) · last filed April 2026 · next due January 2028
Also registered for43210 - Electrical installation; 43310 - Plastering; 43341 - Painting
Listed from the public Companies House register, not an endorsement. Quote requests go to FENSA or Certass registered installers covering your postcode, not necessarily this company. Accounts filing category reflects company size under Companies House rules, not service quality. Map location is approximate, based on the registered postcode.
Before you book Sinclair Electrical Contractors Limited
This page confirms the company is on the Companies House register. It does not confirm FENSA or Certass registration, insurance, or trading status. Check those yourself first.
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How do I get a quote from a window installer in Grays?
Use the "Get Free Quotes" form on this page. Your job details go to FENSA or Certass registered installers covering the RM postcode area, who contact you directly. Grays has 42 registered window and glazing businesses in this directory, though the installers who quote are not necessarily among them. It is free and there is no obligation.
Can I see reviews for Sinclair Electrical Contractors Limited?
Not here. This is a register-based directory, not a review site. Look at independent review platforms, ask the installer for recent local references, and confirm FENSA or Certass registration before any work starts.
Is new double glazing covered by a warranty?
uPVC frames typically carry a 10 year manufacturer or insurance-backed guarantee, and sealed glazed units are usually guaranteed separately for 5 to 10 years against misting. Register the guarantee after installation and keep the FENSA or Certass certificate — a buyer's solicitor will ask for it if you sell the property.
How many window and glazing companies are there in Essex?
This directory holds 938 active window and glazing businesses across 78 towns in Essex, all from the Companies House register. Grays accounts for 42, among the county's busiest. About 29% of Essex's registered window and glazing firms were incorporated in the last three years, so weigh incorporation date and FENSA/Certass registration, not just company age.