FAQ's
General Questions
Why should I choose Martindale Windows?
We’re a family-run Northampton business with over 35 years of trading history. We believe the glazing industry should be built on trust, transparency and education rather than pressure sales.
We are fast approaching 300 Google reviews with a 4.9 star rating, making us Northampton’s highest rated glazing company, independently rated by local homeowners.
Do you use pushy sales tactics?
No.
We don’t do fake discounts, “today only” deals or pressure selling. We give clear pricing, honest advice and leave the decision with you.
Are you local?
Yes. We are based in Northampton and operate across Northamptonshire and surrounding areas. We are not a national franchise or subcontracted sales network.
Products & Installation
What types of products do you install?
- uPVC Windows
- Aluminium Windows
- Flush and heritage style windows
- Composite doors
- Aluminium entrance doors
- Sliding patio doors
- Bifold doors
- Roof lanterns
- Fascias, soffits and guttering
- Cladding
- SIPS extensions and structural builds
How long does installation take?
Most standard window and door installations take 1 to 3 days depending on the size of the job. Larger projects and extensions will vary, and we always give a realistic timeframe at survey stage.
Will there be much disruption?
We treat every home as if it were our own. Dust sheets are used throughout, care is taken with finishes, and we clear up daily.
Most installations are far less disruptive than customers expect.
Do I need to move furniture?
We ask that customers clear windowsills and move fragile items before we arrive. Larger furniture close to windows may need moving slightly, but our team will guide you beforehand.
Pricing & Payments
How much do new windows cost?
Every home is different, so we price based on specification, size and requirements rather than generic estimates.
We provide clear, detailed quotations with no hidden charges.
Do you offer discounts?
We price fairly from the outset. Rather than inflating prices to reduce them later, we aim to offer honest value straight away.
What deposit do you require?
We typically require a 30% deposit to secure orders, with the balance due upon completion. All payment stages are clearly set out in your quotation.
Guarantees & Aftercare
What guarantee do I receive?
Our frames come with a 10-year guarantee, and we also provide insurance-backed warranty protection for added peace of mind.
Guarantee terms are provided in writing at quotation stage so everything is transparent.
Are you FENSA registered?
Yes. All applicable installations are certified through FENSA, ensuring compliance with building regulations.
What happens if there is an issue after installation?
In the unlikely event of an issue, contact our office and we will arrange inspection and resolution. We take pride in our aftercare and long-term reputation.
Survey & Booking Process
What happens during a quotation appointment?
We measure, assess your requirements, discuss options and answer any questions. Our goal is to educate you so you can make the best decision for your home.
How long is a survey appointment?
Typically 60 to 90 minutes depending on the size of the project.
How long is my quotation valid?
Quotations are normally valid for 30 days, though this can vary depending on supplier pricing conditions.
Energy & Performance
Will new windows reduce my energy bills?
Modern glazing significantly improves thermal performance compared to older units. Many customers notice improved comfort and reduced draughts immediately.
Savings vary depending on existing window condition and home insulation.
Are your windows secure?
Yes. Our products meet modern security standards and use high quality locking systems designed to protect your home.
Final Question
How do I get started?
Simply contact our team to arrange a free quotation. No pressure. No gimmicks. Just honest advice.