Annexe Builders South London

Expert Annexe Builders in South London

Adding an annexe is one of the most effective ways to increase living space, enhance property value, and create flexible accommodation for family members or rental purposes. Whether you need a self-contained granny annexe, a garden annexe, a home office, or independent accommodation for adult children, Annex Builders provides bespoke annexe construction services across South London.

With years of experience delivering high-quality residential building projects, our team manages every stage of your annexe build, from initial planning and design through to construction and final completion. We create practical, energy-efficient annexes that blend seamlessly with your existing property while meeting all current UK Building Regulations.

Our reputation is built on quality workmanship, transparent communication, and delivering projects on time and within budget.

Why Choose Annex Builders?

Choosing the right contractor is essential to the success of your annexe project. At Annex Builders, we pride ourselves on providing a complete service tailored to your specific requirements.

Our clients choose us because we offer:

Fully managed annexe construction
Experienced local builders with extensive knowledge of South London properties
Bespoke designs tailored to your lifestyle
High-quality materials and finishes
Clear quotations with no hidden costs
Professional project management
Compliance with Building Regulations
Excellent customer service from start to finish
Skilled tradespeople across every stage of construction
Competitive pricing without compromising quality

Whether you’re building a detached annexe in your garden or extending your existing home, we deliver exceptional results that stand the test of time.

Bespoke Annexe Design and Construction

Every family has different requirements, which is why we never offer one-size-fits-all solutions.

We work closely with homeowners to design and construct annexes that maximise available space while complementing the appearance of the main property.

Our annexes can include:

Open-plan living spaces
Fully fitted kitchens
Modern bathrooms
Double or single bedrooms
Accessible layouts for elderly relatives
Home offices
Utility rooms
Storage solutions
Underfloor heating
Energy-efficient insulation
Bi-fold or sliding doors
Smart home technology

Every project is carefully planned to create a comfortable, functional and attractive living environment.

Granny Annexes

Granny annexes are becoming increasingly popular throughout South London, allowing families to keep loved ones close while maintaining privacy and independence.

A professionally built granny annexe can provide:

Safe accommodation for elderly relatives
Independent living with private facilities
Reduced care costs
Increased family support
Added property value
Future flexibility for changing family needs

We build annexes that are practical, comfortable and designed for long-term use.

Garden Annexes

Garden annexes make excellent use of outdoor space and can serve a variety of purposes.

Many homeowners choose garden annexes for:

Guest accommodation
Rental income
Home businesses
Creative studios
Home gyms
Teenager accommodation
Multi-generational living

Our team ensures every garden annexe integrates perfectly with your existing landscape and property.

Planning Permission for Annexes

Planning permission requirements vary depending on the size, location and intended use of the annexe.

Annex Builders can assist with:

Planning advice
Architectural drawings
Planning applications
Building Regulations approval
Structural calculations
Party Wall matters where required

We guide you through the process to help minimise delays and ensure your project progresses smoothly.

Our Complete Annexe Building Services

We provide a fully managed construction service that includes every aspect of the project.

Our services include:

Site surveys
Groundworks
Foundations
Brickwork
Roofing
Windows and doors
Plumbing
Electrical installation
Heating systems
Plastering
Carpentry
Flooring
Kitchen installation
Bathroom installation
Decorating
Landscaping
Final inspections

By managing the entire project in-house, we maintain consistent quality throughout the build.

Energy-Efficient Annexe Construction

Modern annexes should not only look impressive but also perform efficiently.

We incorporate:

High-performance insulation
Energy-efficient glazing
Low-energy lighting
Efficient heating systems
Ventilation systems
Sustainable building materials where appropriate

This helps reduce energy consumption while creating a comfortable living environment all year round.

Annexe Builders for Every Property Type

Our experience covers a wide range of residential properties throughout South London.

We regularly build annexes for:

Detached homes
Semi-detached houses
Terraced properties
Period homes
Modern developments
Large gardens
Corner plots

Every property presents unique opportunities, and our experienced team develops solutions that maximise available space.

Areas We Cover Across South London

Annex Builders provides annexe construction services throughout every part of South London, including:

Balham
Bankside
Barnes
Battersea
Bellingham
Bermondsey
Brixton
Brockley
Camberwell
Carshalton
Catford
Chelsea
Clapham
Colliers Wood
Crystal Palace
Deptford
Dulwich
Earlsfield
East Dulwich
Eltham
Forest Hill
Greenwich
Herne Hill
Honor Oak
Kennington
Kingston upon Thames
Lambeth
Lee
Lewisham
Mitcham
Morden
Mottingham
New Cross
Norbury
Norwood
Oval
Peckham
Penge
Putney
Raynes Park
Richmond
Roehampton
Rotherhithe
Selhurst
Selsdon
South Norwood
Southwark
Streatham
Sydenham
Tooting
Thornton Heath
Tulse Hill
Vauxhall
Wandsworth
West Dulwich
West Norwood
Wimbledon
Woolwich
Worcester Park

Our extensive local knowledge allows us to deliver projects efficiently while understanding the architectural styles and planning considerations unique to each area.

Our Building Process

We follow a structured process designed to deliver a smooth, stress-free experience.

Our process includes:

Initial consultation
Site survey
Design development
Quotation
Planning and approvals where required
Construction
Internal finishing
Final inspection
Handover

Throughout every stage, we keep you informed and ensure the highest standards of workmanship.

Quality You Can Trust

At Annex Builders, quality is at the heart of everything we do. From foundations to finishing touches, every aspect of your annexe is completed using skilled tradespeople and premium materials.

Our commitment to excellence has helped us establish a strong reputation throughout South London for delivering beautiful, durable and functional living spaces.

Whether you require a compact garden annexe or a fully self-contained independent home, we deliver solutions designed around your family, your property and your future plans.

Contact Annex Builders

If you are considering building an annexe in South London, Annex Builders is ready to help.

Our experienced team provides expert advice, bespoke designs and high-quality construction services for homeowners across South London. From the initial consultation through to project completion, we deliver annexes that combine exceptional craftsmanship, practical living spaces and lasting value.

Contact Annex Builders today to discuss your project and discover how we can transform your property with a professionally built annexe tailored to your needs.