If you need more space at home but don’t want the disruption of moving or extending, a garden room can be a practical way to create it. At OuterRoom, we design and build garden rooms in Ashtead that are tailored to the property, the garden and how you want to use the space day to day.

Every garden has its own layout, proportions and character, so we design each room around the space available rather than trying to fit a standard design into place. The finished result should feel considered, balanced and right for the property.
Many homeowners want a separate place to work, focus or create without giving up room inside the house. A garden office or studio gives you that extra flexibility while keeping everything close to home.
We handle the full process from initial ideas and layout planning through to installation, making sure everything is clear, organised and professionally managed from start to finish.
We’ve been building garden rooms across Surrey for 10 years, with a strong focus on quality workmanship, professional service and great aftercare once the room is complete.

A well-designed garden room should feel like a natural part of the way you live, not just an extra structure at the end of the garden. That’s why we begin by understanding what you want the room to do. Some clients come to us for a garden office in Ashtead because working from home has started to take over the spare room or dining table. Others want a studio, gym, hobby room, treatment space or an extra room that gives the whole house a bit more breathing space.
The design has to work for the home as well as the plot. In Ashtead, that often means taking account of established gardens, mature trees and homes where the finish of the room really matters. Properties around The Warren, Woodfield Lane, the roads towards Ashtead Common and the quieter residential pockets leading towards Fetcham and Epsom can all vary quite a bit in layout and access. Some gardens are wide and open, while others need more careful thought around privacy, levels and the best position for natural light.
As experienced garden room builders in Ashtead, we look closely at those details from the beginning. We consider where the room should sit, how it should relate to the rest of the garden and what it needs internally to feel comfortable throughout the year. That includes insulation, electrics, glazing, lighting and the standard of finish. The aim is always to create a space that feels solid, useful and properly thought through for everyday living.
We’ve spent the last 10 years designing and installing garden rooms across Surrey, so we understand what local homeowners actually value. They want clear advice, sensible recommendations and workmanship they can rely on.
We work in a straightforward and professional way. We explain things properly, keep the site tidy and manage each build with care from start to finish. We also understand that in places like Ashtead, where many homes have established gardens and a strong sense of character, attention to detail makes a real difference. The room needs to function well, but it also needs to sit comfortably within the setting and feel right for the property.
As a garden room installer in Ashtead, we also place real importance on aftercare. Once the build is finished, you should still feel supported. That’s part of doing the job properly and part of the reason customers feel confident choosing us.

1. We start with a conversation about your garden, your ideas and how you want the room to be used.
2. Next, we assess the layout, access and best position for the room so the design works well in practical terms as well as visually.
3. Once the design and specification are agreed, we carry out the garden room installation in Ashtead in a tidy, organised and professional way.
4. When the build is complete, we walk you through everything properly and remain available for aftercare and any follow-up support.
We work throughout Ashtead and across the wider Surrey area. That includes Leatherhead, Fetcham, Epsom, Bookham, Tadworth, Headley, Oxshott, Cobham and Banstead. Because we cover all towns in Surrey, we’re also regularly working in places such as Esher, Weybridge, Woking, Guildford, Reigate, Redhill, Farnham, Godalming and Dorking.

If you have any questions feel free to contact us.
Yes. With the right insulation, build quality and finish, it should be comfortable to use throughout the year.
Yes, garden offices are one of the most common types of room we install for local homeowners.
Absolutely. We build rooms for a wide range of uses, including studios, gyms, hobby spaces and flexible family rooms.
Yes. Every room is designed around the property, the garden and how you want to use the space.
That depends on the size and specification of the room, but we’ll explain timings clearly before any work begins.
No, we work across Ashtead and throughout Surrey.
If you’re thinking about adding a garden room in Ashtead, we’re happy to talk through your ideas and offer practical advice based on your property and the type of space you want to create. Whether you already know what you want or you’re still exploring the options, we can help you plan a room that feels right for your home and garden.
We also cover all the surrounding areas and postcodes, including Ashtead, Leatherhead, Fetcham, Epsom, Bookham, Tadworth, Headley, Oxshott, Cobham and Banstead, along with postcode areas such as KT21, KT22, KT23, KT20 and nearby Surrey locations.

Specialists in garden room design, supply and installation. Contact us today for free quotes.
Email: [email protected]
Phone: 020 8798 2494
Address: 251 Chipstead Way, Banstead, Surrey, SM7 3JW
Mon: 9am to 5pm
Tue: 9am to 5pm
wed: 9am to 5pm
Thur: 9am to 5pm
fri: 9am to 5pm
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