KK Windows Ltd is a family-run business with over 40 years of experience in manufacturing and installing high-quality windows and doors for residential and commercial properties in London. We take pride in delivering exceptional customer service, competitive prices, and exceptional quality across every project, regardless of size.
Our Values
Our core values guide our actions and underpin our success:
- Quality Guaranteed: We employ cutting-edge machinery and adhere to rigorous testing standards to guarantee the precision and durability of our windows and doors.
- Fair & Competitive Pricing: We offer transparent and competitive prices, ensuring excellent value for money for our customers.
- Exceptional Customer Service: We prioritize customer satisfaction through clear communication, attentive support, and timely completion of projects.
Our Services
We offer a comprehensive range of windows and doors, including:
Residential Windows & Doors
- Bi-folding Doors
- Composite Doors
- Sliding Patio Doors
- UPVC French Doors
- Residential Doors
Commercial Windows & Doors
- Casements & Windows
- Aluminium Sliding Sash & Bay Windows
- Tilt & Turn Windows
Additional Products & Solutions
- Back Doors
- Stable Doors
- Glazing & Aluminium Systems
Our Commitment
At KK Windows Ltd, we are committed to:
- Promoting energy efficiency through our products.
- Minimizing environmental impact through sustainable practices.
- Delivering outstanding value for money through competitive pricing and exceptional craftsmanship.
- Providing customers with reliable information and expert guidance throughout the entire process.
Overview of Reviews
Excellent Service and Quality
Reviews from multiple customers highlight the excellent service and quality provided by KK Windows and Doors. Many reviewers praised the company's professionalism, friendliness, and attention to detail. They were impressed with the quality of the windows and doors installed, and appreciated the competitive prices.
Positive Experiences
- Several reviewers mentioned that the company's representatives, including Karol, Shan, and the installation team, were friendly, obliging, and respectful.
- The reviewers were pleased with the prompt and efficient service, with some mentioning that the company's staff went above and beyond to ensure their satisfaction.
- Many reviewers appreciated the company's honesty and transparency, with no pressure selling or hidden costs.
- The quality of the windows and doors installed was consistently praised, with many reviewers mentioning that they were pleased with the result.
Negative Experience
Poor Communication
One reviewer, One World, had a poor experience with KK Windows, citing poor communication and a lack of follow-through on promises.

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