Whether you’re upgrading your windows, installing a new conservatory, or exploring energy-efficient doors, this FAQ page answers the most common questions we receive at Gallagher’s Windows, Doors & Conservatories. With over 25 years of trusted service in Milton Keynes, we’re here to provide clear, helpful guidance so you can make informed decisions about your home improvements.
How much does window installation cost?
The cost of window installation varies depending on size, frame material, and window type. On average:
- uPVC casement windows start from around £350 (fitted)
- Sliding sash windows from £450+
- Aluminium or timber options are higher due to material cost and design complexity
We provide free quotes tailored to your property — with transparent pricing and no hidden fees.
Do you offer double glazing near me?
Yes — we provide double glazing across Milton Keynes and nearby areas, including:
- Bletchley
- Wolverton
- Stony Stratford
- Newport Pagnell
- Bedford & Northampton
Our team of local specialists ensures efficient service wherever you’re located. If you’re unsure, feel free to get in touch to check coverage.
Are quotes and consultations really free?
Yes — all our home consultations and quotations are completely free, with no obligation to proceed.
We’ll visit your property, recommend the best options based on your space and style, and explain your quote clearly. There’s absolutely no pressure — just friendly, professional advice.
What types of windows and doors do you offer?
We supply and install a full range of windows and doors, including:
- Windows:
- Casement
- Tilt & Turn
- Sliding Sash
- Georgian/Leaded
- Aluminium
- Timber
- uPVC (our most popular and energy-efficient option)
Doors:
- Composite doors
- Bifold and patio doors
- French doors
- uPVC front and back doors
All products are customisable, made to measure, and designed for energy efficiency and security.
Explore Our Windows | Browse Our Doors
How long does installation take?
Most standard installations take:
- 1–2 hours per window or door
- 1–3 days for full-house fitting
- 1–3 weeks for bespoke conservatories or garden rooms
Our team works efficiently and tidily, with minimal disruption. You’ll always be informed of timelines upfront.
Do you install conservatories and garden rooms?
Yes — Gallagher’s offers bespoke conservatories and insulated garden rooms for properties.
Options include:
- Living room extensions
- Orangeries
- Loggias
- Sky pods
- Hybrid builds (glass + solid roof structures)
All garden rooms are built to be usable year-round and tailored to your home’s design.
View Our Conservatories | See Our Garden Rooms
What makes Gallagher’s different from other glazing companies?
We’ve been trusted by homeowners for over 25 years, offering:
- Local showroom in Bletchley
- Fully insured and certified installers
- Free quotes and transparent pricing
- Premium materials (Pilkington K Glass, Ultraframe Classic roofs)
- Hundreds of successful local projects
- Personal service from a family-run business
Do you offer uPVC sliding sash windows?
Yes — our uPVC sliding sash windows offer the perfect blend of traditional design and modern performance.
Features include:
- Authentic vertical sliding style
- Low-maintenance uPVC frames
- Smooth glide and secure locks
- Available in multiple colours and woodgrain finishes
Ideal for heritage properties and modern homes alike.
What payment options do you accept?
We accept:
- Debit/credit cards
- Bank transfers
- Flexible payment plans on selected projects (ask during your consultation)
All payments are processed securely, and we provide clear documentation for every transaction.
Need Help Choosing Conservatories or Windows in Milton Keynes?
We’re here to help with honest advice and personalised solutions.
Contact us today to start your project — or visit our showroom and see the quality for yourself.