At Smart Construction Limited, we specialise in building high-quality granny annexe buildings that provide comfortable, self-contained living spaces right in your garden. Whether you're accommodating an elderly family member, creating an independent home for grown-up children, or simply looking for a stylish guest house or rental unit, our custom-built annexes are designed with comfort, accessibility, and long-term value in mind.
Serving homeowners across Romford, East London, and Essex, we offer full-service garden annexe construction—from planning permission and architectural design to foundations, utilities, and interior finishing. Every granny annexe we build is tailored to your available space, budget, and personal needs, ensuring a seamless addition to your property that blends practicality with beautiful craftsmanship.
Bespoke
Designs
Every annexe is designed around your specific needs—from elderly care to guest accommodation—offering a fully personalised layout that fits seamlessly within your garden or available land.
Top-Grade
Materials
We use durable, energy-efficient materials that meet UK building standards, ensuring your granny annexe is comfortable, sustainable, and built to last in all seasons.
Experienced
Builders
Our trusted team has hands-on experience building garden annexes across Romford, East London, and Essex—from foundations to roofing and interior finishing—with minimal disruption.
Transparent
Quotes
We provide fixed, clearly itemised quotes with no hidden costs. You’ll know exactly what’s included in your granny annexe build from start to finish.
Not sure where to start? At Smart Construction Limited, we help you explore practical and stylish granny annexe solutions that make the most of your garden space. Whether you need a self-contained flat, private guest accommodation, or a comfortable space for independent living, we’ll guide you through design choices, layout options, and interior features to create the perfect annexe. From compact one-bedroom builds to fully equipped multi-room layouts, your new space will be both functional and beautifully integrated with your existing property.
Utility Connections
We handle all plumbing, electricity, and heating connections to ensure your granny annexe is fully functional and move-in ready from day one.
Interior Fit-Out
From kitchens and bathrooms to built-in storage, we offer complete interior fit-outs tailored to your style and the needs of the annexe resident.
Landscaping & Access
We provide outdoor enhancements including walkways, ramps, and garden landscaping to ensure easy access and a beautiful environment around your annexe.
Planning & Building Control
We manage the entire planning process, including applications and building regulation approvals, so your project runs smoothly from start to finish.
Looking for trusted granny annexe construction near you? Smart Construction Limited proudly serves Romford, East London, and Essex. Whether you're located in Chadwell Heath, Dagenham, Barking, or surrounding areas, we specialise in building high-quality, self-contained annexes in your area. Our experienced team delivers bespoke annexe solutions with excellent craftsmanship, competitive pricing, and a stress-free building process from start to finish.
"The team at Smart Construction built a beautiful granny annexe in our garden. It’s perfect for my mother and gives her independence with peace of mind."
– Linda C., Romford"Our new annexe has been a fantastic investment. We use it as a guest suite and home office. The workmanship was top-notch and the service excellent."
– James T., Ilford"Smart Construction made the whole process stress-free. From planning to finish, they were reliable, tidy, and delivered exactly what we wanted."
– Priya K., DagenhamThinking about adding a fully functional granny annexe in Romford, East London, or Essex? Contact Smart Construction Limited today to discuss your project. We offer expert guidance, transparent pricing, and quality construction from start to finish. Call us or fill out our online form to request your free, no-obligation quote and start creating your perfect garden annexe.