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Transforming your home, one window at a time.

At Box Sash London Joinery, we are a London-based company specialising in the replacement and repair of traditional, timber-framed Sash windows and doors. With over 25 years of experience in the industry, we have established ourselves as a trusted name in the London area, providing high-quality services to homeowners and businesses alike.

Our Services

We offer a comprehensive range of services, including Sash window installation, restoration, and replacement, as well as glass and glazing services, joinery services for doors and windows, and draught proofing and repairs. Our team of experts is dedicated to providing top-class service, ensuring that all work is carried out to the highest standards of quality and precision.

Our Expertise

With nearly 30 years of experience in carpentry, joinery, and glazing work, our team is well-equipped to handle projects of all sizes and complexities. We take pride in our attention to detail and commitment to excellence, ensuring that every project is completed to the highest standards of quality and craftsmanship.

Our Commitment

At Box Sash London Joinery, we are committed to providing exceptional customer service, ensuring that every client receives a personalized and tailored experience. We strive to build long-term relationships with our clients, providing ongoing support and maintenance to ensure that our work stands the test of time.

Our Guarantee

As registered members of FENSA and GGFi, we guarantee all work carried out on your property, providing complete peace of mind for our clients. Our commitment to quality and customer satisfaction has earned us a reputation as one of the leading providers of Sash window services in London.

Reviews (7)
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Positive: Box Sash is praised for their professionalism, quality of work, and value for money.
Negative: The company's reliability is questioned due to a lack of follow-up and communication in one instance.

Overall Experience and Quality of Service

The majority of customers who have used Box Sash's services have reported a positive experience. They appreciate the company's attention to detail, flexibility, and reliability. The team is praised for being courteous, responsive, and efficient in their work.

Work Quality and Materials

Customers are impressed with the quality of the materials used and the workmanship of the team. The windows and doors installed are of high quality, and the team is able to match specific shades of paint to ensure a seamless finish.

Professionalism and Communication

The team at Box Sash is commended for their professionalism, politeness, and cleanliness. They are responsive to customer queries and concerns, and they keep customers informed throughout the project.

Value for Money

Customers appreciate the value for money offered by Box Sash. The company is seen as providing a high-quality service at a fair price, which is often compared favorably to other companies in the industry.

Reliability Issues

However, one customer experienced a negative encounter with Box Sash. The company failed to follow up with a quotation and eventually informed the customer that they could no longer fulfill the job. This lack of reliability led to frustration and disappointment for the customer.