16 Best Window Installers in Birmingham for 2026

🪟 16 businesses · 📍 Birmingham
✓ Verified Google reviews · ✓ Reviewed regularly · ✓ Updated 7 May 2026
Mark Reid
Written by Mark Reid, Trades Editor · Verified 7 May 2026
Birmingham's mix of Victorian terraces, 1930s semis, and modern developments creates unique challenges for window installation work. The city's industrial heritage means many older properties feature original sash windows that need specialist restoration, whilst post-war housing often requires energy-efficient replacements to combat rising heating costs. Local installers understand the planning constraints in conservation areas like Moseley and Bournville, where replacement windows must match specific architectural requirements.

We've selected these window installers based on verified Google reviews, active trading status, and relevant industry credentials like FENSA registration or Trustmark certification. Each business maintains consistent review scores above 4.0 stars with regular customer feedback over extended periods. We've checked company registration details and confirmed they hold appropriate public liability insurance, though you should always verify current coverage before any work begins.

Before contacting installers, measure your windows roughly and note any specific requirements like security features or noise reduction. Ask for detailed quotes that break down material costs separately from labour, and don't accept verbal estimates for jobs over £500. Most reputable installers will provide written warranties of at least 10 years on double glazing units and offer finance options for larger projects. Getting three quotes is standard practice and helps you spot unrealistic pricing at either end of the scale.
How We Select & Rate The Best Window Installers in Birmingham

Our selection process analyses Google ratings and review patterns over time, checking for consistent service quality rather than just high scores. We verify active trading status through Companies House records and confirm relevant credentials like FENSA registration where applicable. Public liability insurance and Trustmark certification are noted but not mandatory for inclusion. This directory provides a starting point for your research, but you should still verify current credentials, insurance coverage, and get multiple quotes before making any decisions.

Quick Comparison — Window Installers in Birmingham

# Business Rating Reviews Phone
1 JJA Windows & Doors Recommended ⭐ 5.0 239 +44 121 603 3922 View →
2 Total Glazing Repairs Featured ⭐ 4.9 160 +44 7802 785722 View →
3 Flair Windows: Double Glazing Sutton Coldfield Featured ⭐ 4.6 253 +44 121 624 5001 View →
4 0121 Repairs | upvc window doctor Featured ⭐ 4.9 61 +44 7859 825711 View →
5 Mainstream Windows Featured ⭐ 4.6 92 +44 121 430 9150 View →
6 Whitehouse Home Improvements - Windows and Doors ⭐ 5.0 40 +44 7904 492814 View →
7 GL Glazing & Window Services ⭐ 4.6 72 +44 7970 903666 View →
8 Witcomb Windows And Doors ⭐ 4.9 27 +44 121 441 1848 View →
9 Kaizen Windows & Doors ⭐ 5.0 15 +44 7925 224746 View →
10 HI Q Windows ⭐ 4.0 84 +44 121 773 0400 View →
11 Cutress Windows ⭐ 4.9 12 +44 121 344 3301 View →
12 Erdington Glass & Glazing ⭐ 4.2 46 +44 121 382 4886 View →
13 S & A Installations Ltd ⭐ 5.0 5 +44 7471 227537 View →
14 The Glass Guardian ⭐ 4.5 8 +44 7525 822959 View →
15 Rowley Windows ⭐ 4.8 4 +44 7495 769540 View →
16 U-fit Windows Midlands Ltd ⭐ 4.3 3 +44 121 605 6405 View →

Our Top Picks

6
Whitehouse Home Improvements - Windows and Doors
5.0 (40 reviews)

Whitehouse Home Improvements specialises in professional window and door installation services throughout Birmingham, helping homeowners enhance their properties with quality replacements and new installations. The company has earned a perfect 5-star rating from 40 verified customer reviews, reflecting their commitment to reliable workmanship and customer satisfaction. Their experienced team focuses on delivering efficient installation services while maintaining high standards of craftsmanship for residential clients across the area.

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7
GL Glazing & Window Services
4.6 (72 reviews)

GL Glazing & Window Services provides professional window installation services across Birmingham, specialising in replacement windows and glazing solutions for residential and commercial properties. The company has earned a strong reputation with customers, maintaining a 4.6 out of 5 star rating based on 72 verified Google reviews. Their experienced team handles all aspects of window fitting, from initial consultation through to completion of installation projects.

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8
Witcomb Windows And Doors
4.9 (27 reviews)

Witcomb Windows And Doors provides professional window installation services throughout Birmingham, operating from their B30 base. The company has earned a strong reputation with customers, maintaining a 4.9/5 star rating based on 27 verified Google reviews. Their experienced team specialises in fitting quality windows and doors for residential and commercial properties across the local area.

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9
Kaizen Windows & Doors
5.0 (15 reviews)

Kaizen Windows & Doors provides professional window installation services throughout Birmingham, helping homeowners enhance their properties with quality glazing solutions. The company has earned a perfect 5-star rating from 15 verified customer reviews, reflecting their commitment to reliable workmanship and customer satisfaction. Their experienced team specialises in fitting various window styles to suit different architectural needs and budgets.

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10
HI Q Windows
4.0 (84 reviews)

HI Q Windows provides professional window installation services from their Sparkbrook base, serving Birmingham and the surrounding areas. With a solid 4-star rating from 84 verified customer reviews, they handle residential and commercial window fitting projects throughout the B11 postcode area and beyond. The company operates from Montgomery Street and maintains an established web presence for customer enquiries.

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11
Cutress Windows
4.9 (12 reviews)

Cutress Windows provides professional window installation services throughout Birmingham, operating from their base on the Lee Trading Estate. The company has earned a strong reputation with customers, maintaining a 4.9-star rating from 12 verified Google reviews. They specialise in fitting replacement windows for residential and commercial properties across the Birmingham area.

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12
Erdington Glass & Glazing
4.2 (46 reviews)

Erdington Glass & Glazing provides professional window installation services from their Church Road base in Birmingham's B24 area. The company serves local residents and businesses with glazing solutions, earning a solid 4.2 out of 5 stars from 46 verified customer reviews. Their established presence in Erdington makes them a trusted choice for window replacement and installation projects across Birmingham.

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13
S & A Installations Ltd
5.0 (5 reviews)

S & A Installations Ltd provides professional window installation services from their base on Camp Lane in Birmingham. The company has earned a perfect 5-star rating from 5 verified customer reviews, reflecting their commitment to quality workmanship. Serving the Birmingham area from their B21 facility, they specialise in fitting windows for residential and commercial properties.

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14
The Glass Guardian
4.5 (8 reviews)

The Glass Guardian provides professional window installation services throughout Birmingham, helping homeowners and businesses upgrade their properties with quality glazing solutions. With a 4.5-star rating from 8 verified customer reviews, the company has built a solid reputation for reliable workmanship and customer service. Their experienced team handles various window installation projects, from single replacements to complete property refurbishments across the Birmingham area.

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15
Rowley Windows
4.8 (4 reviews)

Rowley Windows provides professional window installation services throughout Birmingham, operating from their base in Erdington. The company has earned a strong reputation with customers, maintaining a 4.8 out of 5 star rating based on 4 verified reviews. Their experienced team serves both residential and commercial properties across the local area.

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16
U-fit Windows Midlands Ltd
4.3 (3 reviews)

U-fit Windows Midlands Ltd provides professional window installation services from their base in Kingstanding, Birmingham. The company serves customers throughout the Birmingham area, offering replacement windows and installation expertise. With a 4.3 out of 5 star rating from 3 verified customer reviews, they maintain a solid reputation for their window fitting services.

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Transparency notice: Recommended (#1) and Featured (positions 2-5) listings may be paid placements. All other rankings are determined by a combined score drawn from Google ratings, review counts, and reputation signals gathered from multiple independent online sources. How we verify →

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Frequently Asked Questions

How much does a window installer cost in Birmingham?
Double glazing replacement typically costs £300-600 per window for standard uPVC units, whilst timber sash window restoration runs £800-1,500 per window depending on the extent of repair work needed. Whole house projects for a typical three-bedroom semi range from £4,000-8,000. Prices vary significantly based on window size, materials chosen, and accessibility. Security features like laminated glass or multi-point locking systems add £50-150 per window. Always get two or three written quotes to compare pricing and specifications properly.
Do I need planning permission for window replacement in Birmingham?
Most like-for-like window replacements don't require planning permission, but conservation areas and listed buildings have strict requirements. Areas like Bournville Village and parts of Edgbaston require windows to match original styles and materials. Your installer should know local planning constraints and advise whether applications are needed. Building regulations approval is required for all replacement windows to guarantee energy efficiency standards are met. FENSA-registered installers can self-certify this work, saving you separate building control fees.
What's the difference between uPVC, aluminium, and timber windows?
uPVC offers the most affordable option with good insulation properties and minimal maintenance requirements. Aluminium frames provide slimmer sightlines and superior strength but conduct more heat unless they include thermal breaks. Timber windows suit period properties and offer excellent insulation when properly maintained, but require regular painting or staining every 3-5 years. Many Birmingham installers recommend composite options that combine timber interiors with aluminium or uPVC exteriors for reduced maintenance whilst preserving traditional appearance.
How long does window installation take?
Standard replacement windows take 2-4 hours per opening, so a typical three-bedroom house usually completes in one or two days. Complex jobs involving structural alterations or custom-made units can extend to a week. Sash window restoration often requires windows to be removed for workshop repairs, extending timelines to 2-3 weeks. Weather conditions affect external work, so installers typically reschedule during heavy rain or strong winds. Most companies provide realistic timescales upfront and communicate any delays promptly.
What warranties should I expect on new windows?
Reputable installers offer 10-year warranties on sealed glazing units and 5-10 years on frames and hardware. Installation workmanship warranties typically last 2-5 years and cover issues like draughts, water ingress, or operational problems. Insurance-backed warranties protect you if the installer goes out of business. Check what's specifically covered - some warranties exclude damage from extreme weather or normal wear items like seals and handles. Keep all paperwork safe as you'll need original receipts for warranty claims.
How do I verify a window installer's credentials and reputation?
Check FENSA registration on their website database - this confirms they can self-certify building regulations compliance. Look up their company registration on Companies House to verify trading history and financial status. Read recent Google reviews focusing on completion quality and aftercare service rather than just star ratings. Ask for recent local references and drive past completed jobs if possible. Confirm current public liability insurance (minimum £2 million) and get this in writing. Avoid door-to-door sellers and never pay large deposits upfront before work begins.