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Talk Through Options
Gemini helps you compare styles, glazing, colours and practical details before you choose.
3,000+
Happy Customers
35
Years Experience
10
Year Guarantee*
FENSA
Registered Installer
Fast
Trustworthy Quotes
Our services
Windows and Doors
High quality products fitted neatly across Leicester and Leicestershire.
Meet Mick
Clear advice, fair pricing and tidy workmanship.
With over 35 years of experience in the window and door industry, Mick prides himself on delivering excellent service and fitting to a high standard.
As a family-run company, Gemini understands the trust involved when work is being carried out in your home. You get a friendly, straightforward service from quote to installation.
WhatsApp GeminiSimple Process
How It Works
A straightforward route from first message to finished installation, with useful advice at every stage.
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Send What You Can
Send photos, rough sizes or style ideas by WhatsApp. If you are unsure, Gemini can arrange a visit and measure up instead.
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Clear Quote and Fitting
Receive a clear quote and, once happy, Gemini will arrange measuring and fitting around you.
Not sure what you need?
Send Gemini a WhatsApp message and arrange a time to talk through the options.
WhatsApp GeminiWhy Choose Us
Why Homeowners Choose Gemini
A quick snapshot of what matters most when choosing a local window and door installer.
With Gemini
With the competition
Family-run, local and trusted for over 35 years.
A sales-led process with less direct accountability.
You deal directly with Gemini from start to finish, with clear advice and personal accountability.
Unclear paperwork or weaker aftercare.
Clear advice, fair pricing and tidy fitting.
Hidden extras or inconsistent communication.
Strong, low-maintenance REHAU and Solidor product options.
Cheaper specifications that may need more attention later.
FENSA registered for replacement window and door installations.
Unclear certification or paperwork after the work is complete.
A local service focused on honest advice, tidy fitting and practical aftercare.
Pressure selling or a rushed installation with less local support.
Ideas and Inspiration
Explore Window and Door Styles
If you are planning new windows, a front door, or both together, it helps to compare frame colours, glass patterns, door styles and hardware before choosing a final specification.
Browse the door, window and decorative glass brochures for ideas, then send Gemini anything you like and we can help turn it into a practical quote.
Window stylesComposite doorsGlass optionsHardware ideasTrending
Popular Window and Door Choices
Most popular styles Gemini customers have been recently choosing.
Solidor Ludlow 2 Composite Door
White frame, coloured door and obscure glass. A smart, cost-effective composite door choice.
White REHAU uPVC Casement Windows
A versatile, energy-efficient replacement window style that suits most Leicester homes and keeps the specification good value.
Glazed Composite Door
A secure door with more natural light for brighter hallways and modern doorways.
Rio Flush Fit Windows
A cleaner, modern window style for homeowners who want slimmer-looking lines and a more contemporary finish.
Areas We Cover
Window and Door Installations Across Leicester
Gemini Windows and Doors fits REHAU replacement windows and Solidor doors across Whetstone, Leicester and the wider Leicestershire area.
AnsteyBarwellBroughton AstleyBurbageClaybrook MagnaClaybrook ParvaCoalvilleCroftCountesthorpeEarl ShiltonEnderbyFrolesworthHinckleyHuncoteIbstockKirby MuxloeKirkby MalloryLeicesterLutterworthNarboroughNewbold VerdonSapcoteSharnfordStapletonStoke GoldingStoney StantonWhetstoneWolvey
Customer feedback over the years
What Our Customers Say
Reliable fitting, careful finishing and helpful advice from first call to final clean-up.
"Very pleased with the new UPVC windows. The work was carried out to a high standard and I would happily recommend Gemini to anyone."
N Forrest
February 2006"Absolutely thrilled with my new room and the overall finish. Gemini were kind, understanding, and the workmanship is first class."
Molly H
January 2010"Very professional service throughout. The new windows have made a big difference and the team were a pleasure to deal with."
J Carr
December 2013"Excellent installation of our new conservatory. The work was carried out professionally with no mess left behind and the finished result is immaculate."
D & M Graham
November 2019"We have always used Gemini for replacing windows and doors. The workmanship is consistently of a very high standard and we would definitely recommend."
Customer (Leicester)
April 2026"Used Gemini for multiple windows and a new front door. They were prompt, professional, and gave honest advice, only recommending work that was genuinely needed."
Customer (Leicester)
April 2026"Very professional with high quality workmanship. Always delivered on the agreed date and I would highly recommend to family and friends."
Sandra Rogers
April 2026"Amazing service from survey to completion. Great communication, completed on time, no mess left behind, and excellent value for money."
Martin Renfrey
April 2026Before and After
A Simple Way to See the Gemini Difference
Move across the image to compare the old door with the finished Gemini installation.
Questions
Frequently Asked Questions
Most window and door installations are completed within 1-2 days, depending on the size of the project and the number of frames being replaced.
Yes, Gemini Windows and Doors is FENSA registered, helping ensure replacement window and door installations meet current Building Regulations.
Yes. Gemini provides a 10 year guarantee on uPVC frames, with local aftercare if you need help later.
Gemini can fit REHAU casement windows, bay windows, bow windows, fixed panes, top openers, side openers, flush fit windows and decorative glazing layouts.
Yes. Standard windows are A energy rated as standard, with options depending on the product, glazing and specification chosen for your property.
Modern glazing and well-fitted frames can help reduce condensation, draughts and outside noise compared with older window units.
Yes, Gemini supplies and fits composite doors across Leicester and Leicestershire, including Solidor options, secure hardware, colours and glazing choices.
Yes. Door colour, glass style, handles, letterplates, knockers and other hardware can all be discussed during your quote.
Modern composite and uPVC doors are designed around strength, weather resistance and secure locking. Correct measuring and fitting are key to getting the best result.
Free quote
Get Your Free Quote Today
Ready to transform your home? Speak directly with Gemini.