The Importance of Clean Air and Ventilation in Your Extension
Gary Newell • 1 June 2024
At Jigsaw Construction Surrey, we're passionate about creating beautiful, functional extensions that transform your home. But a stunning extension isn't just about aesthetics – it's about creating a healthy and comfortable living environment. That’s why we prioritise proper ventilation and air quality in every project we undertake.
Why is Clean Air Important in Your Extension?
Believe it or not, the air inside your home can be [1]2-5 times more polluted than the air outside. This is because everyday activities like cooking, cleaning, and even breathing release pollutants into the air. In a poorly ventilated extension, these pollutants can become trapped, leading to a range of health concerns, including:
- Respiratory problems like asthma and allergies
- Headaches and fatigue
- Eye irritation
- Difficulty concentrating
The Benefits of Proper Ventilation in Your Extension
By incorporating a well-designed ventilation system into your extension, you can:
- Reduce pollutants: Fresh air dilutes and removes harmful contaminants, creating a healthier environment for you and your family.
- Control moisture: Proper ventilation helps prevent condensation and mould growth, which can damage your extension and trigger allergies.
- Improve comfort: Fresh air circulation keeps the temperature and humidity levels comfortable, especially important in well-insulated extensions.
- Boost concentration: Good air quality can improve focus and productivity, perfect for creating a home office in your extension.
Different Ventilation Options
In the UK, we have several ventilation options to consider for your extension, both natural and mechanical:
Natural Ventilation:
- Windows: This is the most basic and cost-effective option. Strategically placed windows allow for fresh air to enter and stale air to escape. You can consider tilt-and-turn windows for more flexibility in controlling airflow.
- Window trickle vents: These are small vents built into modern windows that allow for a constant trickle of fresh air, even when the window is closed. This helps maintain background ventilation, particularly important in new, energy-efficient extensions where gaps and cracks have been sealed.
- Air bricks: These are bricks with built-in vents that allow air to enter and exit the building through the walls. They are most commonly used in older homes but can be incorporated into new extensions as well.
Mechanical Ventilation Systems:
- Extractor fans: These are typically installed in kitchens and bathrooms to remove moisture and odours. They can be intermittent or continuous.
- Continuous Mechanical Extract Ventilation (MEV): This system uses low-powered fans to continuously extract stale air from wet rooms like bathrooms and kitchens.
- Continuous Mechanical Balanced Ventilation with Heat Recovery (MVHR): This is the most sophisticated option. MVHR systems extract stale air while simultaneously bringing in fresh air. They also recover heat from outgoing air and transfer it to incoming fresh air, improving energy efficiency. This can be a good option for larger extensions or those in areas with colder climates.
Choosing the Right Ventilation Option:
The best ventilation option for your extension will depend on several factors, such as the size and layout of the extension, the number of occupants, and your budget. Take a look at the building regulations for more information.
- The Building Regulations: Building regulations in the UK outline the minimum ventilation requirements for new extensions https://www.gov.uk/government/publications/home-user-guide-template/existing-home-ventilation-guide.
Jigsaw Construction Surrey: Building Healthy Extensions
At Jigsaw Construction Surrey, we work closely with you to understand your needs and design an extension that prioritises both style and health. We can advise you on different ventilation options.
Investing in clean air and ventilation is an investment in your health and well-being. Let Jigsaw Construction Surrey help you create a beautiful and healthy extension you'll love for years to come.
Contact us today for a free consultation! https://www.jcs-ltd.co.uk
[1] https://www.cfpdirect.co.uk/news/20-shocking-facts-about-indoor-air-pollution/
Introduction A new year brings fresh ideas — especially for homeowners thinking about upgrading or extending their living space. As we step into 2026, many people across Surrey are re-evaluating how their homes look, feel, and function. At Jigsaw Construction Surrey Ltd , we’ve already seen clear patterns emerging in the types of projects homeowners are enquiring about. From smarter layouts to eco-friendly upgrades, 2026 is shaping up to be a year focused on comfort, practicality, and long-term value. Here are the top home renovation trends we expect to see this year — and how they can transform your home. 1. Open-Plan Kitchen & Living Spaces Open-plan layouts continue to dominate renovation plans, and 2026 is no different. Homeowners want brighter, more sociable spaces that bring families together and improve daily living. Why it’s trending: Better natural light More space for entertaining A modern, spacious feel Great for property value For older Surrey homes with smaller rooms, removing walls or reconfiguring layouts can completely transform the way the home feels. 2. Energy-Efficient Upgrades With increasing focus on rising energy costs and sustainability, energy efficiency remains one of the biggest renovation priorities this year. Popular upgrades include: High-performance insulation A-rated windows and doors Underfloor heating Smart thermostats and TRVs Heat pumps and efficient boilers These improvements not only reduce bills—they make your home more comfortable year-round. For eco-conscious families, sustainability is no longer a bonus; it’s essential. 3. Garage Conversions and Loft Conversions Space is at a premium in Surrey, and homeowners are looking for ways to maximise what they already have. Conversions continue to be one of the most affordable and effective solutions. Why conversions are booming: No need for large extensions Faster completion times Great for home offices, bedrooms, gyms or playrooms Adds significant property value At Jigsaw Construction Surrey Ltd, garage conversions remain one of our most in-demand services heading into 2026. 4. Garden Rooms & Outdoor Office Spaces With flexible working now a long-term reality, many homeowners want functional, year-round garden rooms. Uses include: Home office Studio or workshop Guest room Gym Entertainment room These spaces offer a private, comfortable place to work or relax — without the cost of a full extension. 5. Sustainable & Natural Building Materials Homeowners are increasingly choosing environmentally conscious options in their renovations. Popular materials include: Sustainably sourced timber Natural stone Low-VOC paints Recycled or reclaimed materials These choices reduce environmental impact while giving homes a modern, stylish, and timeless finish. 6. Budget-Friendly Mini Renovations With many families keeping a closer eye on spending, smaller renovations are becoming more popular — offering big impact without breaking the bank. Examples include: Updating kitchens with new doors/worktops Modern bathroom refreshes New flooring Improved lighting Minor layout tweaks Internal redecoration for a fresh, modern feel These upgrades are perfect for improving comfort and adding value without committing to major works. Final Thoughts 2026 is all about smart, sustainable, and meaningful home improvements. Whether you want more space, better efficiency, or an entirely new layout, there’s never been a better time to plan your renovation. At Jigsaw Construction Surrey Ltd , we’re proud to help Surrey homeowners transform their properties with skilled craftsmanship, transparent service, and a friendly team you can rely on. 👉 Thinking of renovating in 2026? Contact Jigsaw Construction Surrey Ltd today for a free consultation and let’s bring your plans to life.
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