CII Double Glazing

What We Do

Our Services

From a single replacement window to a full home transformation. CII Double Glazing handles supply, delivery, and installation entirely in-house.

Installations

Windows, Doors & More

Windows installation by CII Double Glazing in Essex

Windows

From slim-profile aluminium to classic UPVC, we supply and install windows across Essex and East London.

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Doors installation by CII Double Glazing in Essex

Doors

Composite front doors, UPVC doors, bi-fold and patio doors, supplied and fitted across Essex.

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Roof Lanterns installation by CII Double Glazing in Essex

Roof Lanterns

Aluminium roof lanterns, flat rooflights, and conservatory roof solutions across Essex.

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Repairs & Trade

More From CII

Window and door repairs: misted glass, broken glass, locks and hinges in Essex

Repairs

Misted double glazing, broken glass, failed seals, and UPVC mechanisms, repaired quickly across Essex.

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CII Double Glazing trade supply for builders and contractors

Trade Enquiry

Supply and installation for builders, contractors and developers. Direct contact, trade pricing, no minimum orders.

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Local Coverage

Service Areas Across Essex and East London

We publish dedicated coverage pages so local homeowners can quickly confirm service availability and nearby work examples.

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Where We Work

Essex, Hertfordshire & London

Based in Romford, we regularly work across Essex, North and East London, and into Hertfordshire. If you are not sure whether we cover your area, just give us a call.

Find Us

Our Workshop

Free home surveys available across our coverage area.

Areas We Cover

We Come to You

BrentwoodUpminsterHornchurchRomfordBasildonChelmsfordSouthend-on-SeaIlfordChigwellLoughtonEppingHarlowWalthamstowTottenhamEnfieldCheshuntBroxbourneHoddesdonHertfordWareBishop's StortfordSaffron WaldenBraintreeColchesterWithamBillericay

View all local area pages or not seeing your area? Get in touch and we will let you know if we travel to you.

Get Started Today

Ready to Transform Your Home?

Get a free, no-obligation quote from our team. We survey, advise, and install. All handled directly, no subcontractors.

Get a Free Quote020 8500 9100

Mon-Fri 8am-6pm · No call centres · Speak directly with Ross

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Trade Enquiry