15 Best Window Installers in Birmingham for 2026

🪟 15 businesses · 📍 Birmingham
✓ Verified Google reviews · ✓ Reviewed regularly · ✓ Updated 6 May 2026
Mark Reid
Written by Mark Reid, Home Services Editor · Verified 6 May 2026
Birmingham's mix of Victorian terraces, Edwardian semis, and post-war housing creates diverse window installation challenges. Properties in areas like Moseley and Kings Heath often need sympathetic replacements that match original proportions, while newer builds in Solihull and Sutton Coldfield typically require straightforward UPVC upgrades. Local installers understand planning restrictions in conservation areas and can advise on energy efficiency improvements that suit Birmingham's variable weather patterns.

These window installation companies have been selected based on verified Google reviews, consistent ratings over time, and active trading status checks. We've examined customer feedback patterns, response times to enquiries, and any relevant industry accreditations like FENSA registration or Certass membership. Each business maintains a genuine local presence rather than operating as a lead generation front for national chains.

Before booking any window installer, check their FENSA or Certass registration to guarantee building regulations compliance. Ask for detailed written quotes that specify glass specifications, frame materials, and installation timescales. Visit recent local installations if possible, and don't rush into decisions after doorstep sales visits. Getting quotes from three different installers gives you a realistic price comparison and helps identify any unusually high or suspiciously low estimates.
How We Select & Rate The Best Window Installers in Birmingham

Our selection process analyses Google ratings and review volume patterns over extended periods, verifying that businesses maintain active trading status and legitimate local operations. We check for relevant industry credentials including FENSA registration and Certass membership where applicable. This list represents companies meeting our baseline criteria for customer feedback and operational transparency, though inclusion doesn't constitute endorsement and readers should conduct their own due diligence before hiring any contractor.

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 HI Q Windows ⭐ 4.0 84 +44 121 773 0400 View →
10 Cutress Windows ⭐ 4.9 12 +44 121 344 3301 View →
11 Erdington Glass & Glazing ⭐ 4.2 46 +44 121 382 4886 View →
12 S & A Installations Ltd ⭐ 5.0 5 +44 7471 227537 View →
13 The Glass Guardian ⭐ 4.5 8 +44 7525 822959 View →
14 Rowley Windows ⭐ 4.8 4 +44 7495 769540 View →
15 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
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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10
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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11
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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12
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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13
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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14
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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15
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 are 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?
Window installation costs vary significantly based on window size, materials, and property type. Expect £300-500 per window for standard UPVC double glazing, while larger bay windows or sliding doors can cost £800-1,500. Timber or aluminium frames typically add 20-40% to the price. Victorian terraces often need custom sizes, increasing costs. Heritage or conservation area work requires specialist glass and can double standard prices. Always get two or three quotes as prices can vary by 30% between installers.
Do I need planning permission for new windows in Birmingham?
Most window replacements don't need planning permission, but conservation areas and listed buildings have strict rules. Areas like Moseley Village and parts of Harborne require matching materials and window styles. Check Birmingham City Council's planning portal or ask your installer about local restrictions. FENSA or Certass registered installers handle building regulations approval automatically, but planning permission is separate and your responsibility to obtain if required.
How long does window installation take?
Standard window replacement takes 2-4 hours per window for straightforward jobs. A typical three-bedroom semi might take one or two days depending on how many windows you're replacing. Bay windows and patio doors need longer, often a full day each. Victorian properties with thick walls or awkward access can add time. Weather delays are common in Birmingham's unpredictable climate, so allow flexibility in your schedule.
What's the difference between FENSA and Certass registration?
Both FENSA and Certass are government-authorised schemes that let window installers self-certify their work meets building regulations. There's no practical difference for homeowners, both provide the same legal compliance and insurance protection. Your installer must be registered with one of these schemes or employ a building control officer separately. Check their registration number on the relevant website before work starts.
Should I replace all windows at once or do them gradually?
Replacing all windows together usually costs less per window due to bulk pricing and single scaffold setup. You'll also get consistent appearance and energy efficiency throughout your home. However, spreading costs over time makes financial sense for many homeowners. Prioritise north-facing windows and those in poor condition first, as these have the biggest impact on heat loss and comfort.
How do I verify a window installer's credentials and reputation?
Check their FENSA or Certass registration online using their certificate number. Look up their Companies House records to confirm trading history and financial status. Read recent Google reviews, focusing on completed job photos and specific details rather than generic praise. Ask for local references you can visit, and verify their business address isn't just a PO box. Get written quotes with full material specifications and clear payment terms before committing.