FENSA Registered Installer 43994 · CPA member 4485Lancaster 01524 953110 · South Lakes 01539 326211
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Windows, doors & roofline enquiries

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A local, family-run business you can trust

Bay Windows NW Ltd is a local, family-run company. Our team includes an experienced industry professional with 35 years in the uPVC trade, alongside four installers.

FENSA registered — 43994Registered through Bay Windows NW Ltd, for applicable installations.
CPA membership — 4485Membership number 4485. Licence expiry: 22 November 2027.
Fitting & debris removal includedOur supply-and-fit estimates include professional fitting and removal of the old units and installation debris.
Deposits agreed clearly in writingStandard deposits are typically 20–25%, with special-order terms agreed before work begins.
Typical fitting in 3–4 weeksSubject to final survey, specification, supplier lead times and availability.

Profile 22 uPVC casement windows

Our 70mm Profile 22 casement window range offers both sleek, contemporary chamfered sightlines and more traditional sculptured finishes, with configurations designed to complement a wide range of homes.

Opening styles & finishes

Choose side-hung or top-hung openings, a wide range of foiled colours and either the chamfered (QC) or sculptured (QS) internal frame finish. Sculptured (Ovolo) 24mm internal beads provide a refined look.

Glazing & security

Double and triple-glazing configurations are available, including dedicated 40mm triple-glazed bead options. Ask about advanced Avantis locking hardware and compatible Kubu smart window technology.

Thermal performance

Selected Profile 22 configurations can achieve U-values as low as 0.87 W/m²K with triple glazing, with Window Energy Ratings up to A++ triple glazed and A+ double glazed. Actual performance depends on the precise specification and glazing.

Pick a core, any core — three composite door collections

Discover our choice of composite front and back doors in classic, cottage and contemporary designs. Choose your preferred door style, colour, glazing and hardware to create an entrance that suits your home.

BRiTDOR — solid timber core

A solid timber-core door with a distinctive textured finish, varied colours and traditional and contemporary styling choices.

ORiGINAL — insulated foam core

A foam-filled composite door with a durable GRP outer skin and a broad selection of colours, decorative glass and finishes.

GRiPCORE — engineered hybrid core

Engineered with insulating PIR foam, high-density wood-based layers and aluminium reinforcement, with a wide choice of modern and traditional designs.

Design availability, security ratings, energy performance and colour options depend on the selected range and specification. Ask us to confirm the options before ordering.

French doors, bifold doors & integral blinds

uPVC & aluminium French doors

Our classic uPVC French doors are available using the Profile 22 Optima system, with chamfered or sculptured profiles and a broad choice of foiled finishes. We can also provide an estimate for the AluK 58BD HI aluminium French door, featuring thermally broken construction and slimmer sightlines.

Unifold HI bifolding doors

A clean, modern square appearance with a slender 110mm glass-to-glass sightline. Features include pre-gasketed snap-in beads, an adjustable jamb and 28mm or 44mm glazing options. PAS24-certified configurations may be available, with specified triple-glazed systems achieving U-values from 0.9 W/m²K.

SL20SV+ Uni-Blinds® integral Venetian blinds

Enjoy light control and privacy with Venetian blinds sealed inside the double-glazed unit. A discreet magnetic slider on the glazing frame allows smooth adjustment without exposed blind cords.

Product designs and stated performance figures are dependent on availability, tested configurations and final specification.