Experienced, professional and reliable building contractors serving clients throughout Berkshire, Sussex and the South East
Your local attic conversion service with head offices in Sussex and Berkshire.


We manage your entire project from concept to completion, seamlessly blending design creativity with expert construction for a stress-free, high-quality build that meets your vision.

A well-designed stairwell is vital in a loft conversion, ensuring safe access, maximising space, enhancing natural light, and integrating beautifully with your home’s existing layout.

Well-fitted dormer windows transform loft spaces—adding headroom, boosting natural light, enhancing ventilation, and improving kerb appeal while meeting building regulations and maximising usable living space.
At the heart of our loft conversion projects is a deep commitment to sustainability. We carefully source eco-friendly materials, prioritising timber from certified sustainable forests and insulation with high thermal efficiency and low environmental impact. By selecting responsibly manufactured products and working with suppliers who share our environmental values, we reduce the carbon footprint of each project from the ground up.
Energy efficiency is a cornerstone of our design approach. We incorporate features such as high-performance windows, low-energy lighting, and effective ventilation systems to reduce long-term energy consumption. We aim to create spaces that are not only beautiful and functional but also naturally energy-efficient, helping homeowners save on energy bills while contributing to a greener planet. Learn more about us.
Waste reduction is another key element of our sustainability strategy. We carefully plan each project to minimise offcuts and excess materials, recycling wherever possible and disposing of waste responsibly. By implementing thoughtful building practices and promoting environmental awareness on-site, we ensure that every loft conversion we deliver leaves a lighter impact on the environment.
We uphold quality with every project in Harlington, ensuring that Parkways Construction stands as a beacon of reliability and excellence. Our CHAS accreditation reflects our commitment to maintaining national safety and quality standards. With £10m Public Liability Insurance, we offer complete peace of mind, backed by rigorous safety protocols and regular audits. Our professional certifications and dedication to quality assurance guarantee that your loft conversion is executed to the highest standards. Parkways Construction combines style, functionality, and sustainability to deliver loft conversions that delight Harlington homeowners, from the initial consultation to the final handover.