FENSA Registered Installer 43994 · CPA member 4485Lancaster 01524 953110 · South Lakes 01539 326211
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Get a free estimate for your windows and doors

Tell Bay Windows NW Ltd what you are planning. Approximate sizes, quantities and your preferred style help us understand the work and prepare an initial estimate. You do not need to know every technical detail to start a conversation.

No measurements yet?

You can still ask for advice. Use our contact page to describe the project and include your postcode, or call Lancaster and Morecambe on 01524 953110 or South Lakes and Furness on 01539 326211.

How to measure for an initial estimate

Give the overall frame width and height in millimetres, with width first. Check that you are describing the frame rather than just the visible glass. If you are unsure where the frame ends, say so; do not remove trims or climb to reach an opening. Your measurements are for an initial estimate, not manufacturing sizes.

For several different windows or doors, describe each opening separately in the notes, with its quantity and approximate size. For a bay window, give the number of sections and explain its layout rather than treating the whole bay as a single flat window. Tell us which panes should open and whether any glass needs to provide privacy.

Window or door details

Approximate overall frame sizes in millimetres: width first, then height. These are for an initial estimate; final sizes are checked at survey. If unsure, use the contact link above.

Your contact details

We will use the details you provide to respond to your enquiry. This form does not calculate a binding price or take payment. Read our privacy information

What happens after you send your enquiry?

We review the information and contact you to clarify the products, specification and installation requirements. The initial estimate is a guide based on the details available. Final pricing depends on the survey, confirmed dimensions, chosen products and supplier confirmation. Sending this form does not place an order or take payment.

Looking for a South Lakes windows estimate?

You are in the right place. South Lakes Windows & Doors is the secondary brand of Bay Windows NW Ltd. Start with a free estimate here; we will explain the next steps towards a confirmed written estimate once the work and specification have been checked.

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.