Business Details
23 Years
experience
Your Trusted Conservatory & Window Specialists in Hatch End
Established in 2003, Harrow Windows has built a reputation for excellence in crafting bespoke conservatories, replacement windows, and doors. Our founder, Colin Walklate, brings over three decades of industry expertise, having started in manufacturing sealed units before transitioning to customer-focused solutions. As a CERTASS-registered company and Checkatrade member since 2013, we prioritise quality, compliance, and customer satisfaction. Specialising in Conservation Areas, we combine traditional craftsmanship with modern materials like aluminium, timber, and uPVC to deliver tailored solutions. Our end-to-end service covers design, planning, and installation, ensuring seamless project execution. With a focus on transparency and reliability, we offer expert advice, premium products, and post-installation support.Our commitment to excellence is reflected in our 100% customer satisfaction guarantee and numerous client recommendations. We serve residential and commercial clients across Middlesex, Hertfordshire, and surrounding regions, delivering projects ranging from simple window replacements to full-scale conservatory constructions. Our teams deep local knowledge and technical expertise ensure every installation meets both aesthetic and functional requirements. By maintaining direct communication with clients throughout each project, we uphold our promise of stress-free, high-quality service.
Services
Conservatories
Replacement Windows
Doors
Conservation Areas
Commercial Glazing
Details
- Year established: 2003
Highlights and features
- We have over 35 years of industry experience, including manufacturing and customer-focused solutions.
- Our team holds CERTASS accreditation and has been verified by Checkatrade since 2013.
- We offer bespoke designs tailored to Conservation Areas and period properties.
- Our 100% customer satisfaction guarantee ensures stress-free installations and post-service support.
- We provide direct communication with the same project manager from start to completion.
Associations and certifications
- CERTASS
- Checkatrade
What people say
Very pleased with new bifold door
High quality new conservatory
Professional team
Excellent fitters
Satisfied customer
Services
Conservatories
We design and install bespoke conservatories, from classic lean-to styles to modern kitchen-diners. Our service includes full planning, design, and construction, with options like Victorian, Edwardian, and P-shaped styles. Using premium materials and features like bifold doors, we create functional, light-filled spaces tailored to your home.
Replacement Windows
We supply and install energy-efficient uPVC, timber, and aluminium windows, including sash and casement designs. Our products retain period aesthetics while offering modern security and thermal efficiency, with woodgrain finishes and custom colour options to suit conservation areas and contemporary properties alike.
Doors
Our doors include composite, timber, aluminium, and uPVC options for front, back, and sliding applications. Featuring advanced security systems and low-maintenance designs, we offer styles from traditional to contemporary, including Smarts Aluminium bifolds for seamless indoor-outdoor living spaces.
Conservation Areas
Specialising in Pinnerwood Park and similar areas, we provide windows and doors that meet strict conservation guidelines. Our solutions blend period-appropriate designs with modern performance, ensuring compliance while enhancing energy efficiency and property value through discreet, high-quality installations.
Commercial Glazing
We deliver commercial glazing projects, including mirrored walls, glass partitions, and showroom installations. Our services cater to retail and corporate spaces, combining durability with sleek aesthetics using materials like aluminium and safety glass to create modern, functional environments for businesses.
People
Colin Walklate
Founder & Project Manager
With over 35 years in the double glazing industry, Colin established Harrow Windows in 2003 after a manufacturing career. He oversees all projects, ensuring direct client communication and maintaining high standards through his hands-on approach and technical expertise.
Questions
What services does Harrow Windows offer?
We specialise in bespoke conservatories, replacement windows, and doors, including conservation area projects and commercial glazing, using materials like aluminium, timber, and uPVC.
Do you work outside Middlesex?
We cover Hertfordshire, Buckinghamshire, Berkshire, and North/West London, with travel flexibility for larger projects.
Are your products energy efficient?
Our windows and doors meet at least an A energy rating, combining thermal efficiency with modern security features.
How do you ensure project quality?
We oversee every project from design to completion, using certified materials and experienced installers, with direct client communication throughout.
What accreditations do you hold?
We are CERTASS-registered and Checkatrade members, adhering to strict quality and service standards.
Can you help with conservation area requirements?
Yes, we specialise in Conservation Areas like Pinnerwood Park, offering period-appropriate designs that meet local authority guidelines.
