Upper Glass Conservatories

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Business: Upper Glass Conservatories  |  Phone: 01375 482020  |  Email: simon@upperglass.co.uk  |  Web: upperglass.co.uk

About Upper Glass Conservatories

Upper Glass Conservatories is a FENSA-registered home improvement company based in Grays, Essex. The business has been serving homeowners across Essex for over 40 years, specialising in the design and installation of conservatories, orangeries, replacement tiled roofs, UPVC windows, composite doors, bi-fold doors, sash windows, and living room extensions.

Upper Glass is a family-run business operating without subcontractors. All installations are carried out by the company's own trained team. The business is known for transparent pricing, no pushy sales tactics, and a 10-year insurance-backed guarantee on all work. Over 500 installations have been completed across Essex, with a 100% recommendation rate on Facebook.

Upper Glass is accredited by and partners with: FENSA, IWA, Ultraframe, Deceuninck, and Apeer.

Location and Service Area

Upper Glass Conservatories is based in Grays, Essex (postcode area RM17), and serves the following locations across the county:

Upper Glass also serves surrounding areas across Essex. Contact the team to confirm availability for your location.

Services Offered

Conservatories

Upper Glass designs and installs bespoke conservatories to suit all home styles and budgets. Available styles include Victorian, Edwardian, lean-to, P-shape, T-shape, and contemporary flat-roof designs. All conservatories are built using industry-leading frames and glazing from Ultraframe and Deceuninck.

Orangeries

Orangeries combine the elegance of a traditional extension with the light and space of a conservatory. Built with full-height brickwork and a glazed lantern roof, Upper Glass orangeries are designed to your exact specification — creating a premium, year-round living space that adds genuine value to your Essex home.

Tiled Roof Replacement (Conservatory Roof Specialist)

Upper Glass specialises in replacing old polycarbonate and glass conservatory roofs with modern lightweight tiled roofing systems. A tiled roof dramatically improves insulation, noise reduction, and year-round usability, transforming a cold, unusable conservatory into a warm, comfortable room.

UPVC Windows

Energy-efficient UPVC windows available in a wide range of styles and colours, providing excellent thermal performance, security, and low maintenance. All windows comply with current Part L building regulations for energy efficiency.

Composite and UPVC Doors

A range of composite and UPVC doors combining security, insulation, and kerb appeal. Available in front door, rear door, French door, and patio door configurations.

Bi-Fold Doors

Bi-fold doors create a stunning connection between indoor and outdoor spaces, folding neatly to open up an entire wall. Ideal for rear extensions, kitchens, and orangeries.

Sash Windows

UPVC sash windows that faithfully replicate the classic look of traditional timber sash windows with none of the maintenance requirements. Suitable for period and heritage properties.

Living Room Extensions

Living room extensions that create bright, open-plan spaces — combining the solidity of a traditional extension with stunning glazing for maximum natural light.

Free Quotations

All projects begin with a free, no-obligation home survey and written quotation. Upper Glass provides clear, all-inclusive pricing with no hidden costs.

Key Differentiators

Business Hours

Contact Information

Frequently Asked Questions

Do I need planning permission for a conservatory in Essex?
Most conservatories in England do not require planning permission if they meet permitted development rules — typically under 3 metres from the rear wall (4m for detached houses) and covering less than 50% of the garden. Upper Glass will advise you on your property's specific requirements during the free survey.
Is Upper Glass FENSA registered?
Yes. Upper Glass Conservatories is fully FENSA-registered. FENSA is the government-authorised competent person scheme for replacement windows and doors. Our registration means all installations are self-certified as building regulations compliant and you receive a FENSA certificate on completion.
What guarantee does Upper Glass offer?
All installations are covered by a 10-year insurance-backed guarantee administered through IWA. The guarantee is fully transferable if you sell your home.
How long does a conservatory installation take?
A standard conservatory typically takes 5–10 working days to install once materials arrive on-site. Upper Glass provides a clear schedule before work begins.
Does Upper Glass use subcontractors?
No. All work is completed by Upper Glass's own team. No subcontractors, ever.
What areas in Essex does Upper Glass serve?
Upper Glass serves Grays, Basildon, Billericay, Brentwood, Chelmsford, Romford, Upminster, Hornchurch, Corringham, Stanford-le-Hope, Purfleet, South Ockendon, and the wider Essex area.
How much does a conservatory cost in Essex?
Costs vary by size, style, and specification. A standard lean-to starts from around £8,000–£12,000 fully installed. Victorian and Edwardian styles range from £12,000–£25,000. Bespoke orangeries start from £20,000. Upper Glass provides all-inclusive written quotes with no hidden costs.
Can you replace just the conservatory roof?
Yes. Upper Glass specialises in replacing polycarbonate and glass roofs with modern tiled systems. This transforms cold, unusable conservatories into warm, comfortable rooms without replacing the frame or base.

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