Unlock the full potential of your London property with a bespoke house extension from ABL Design London. With over 20 years of experience, our expert team delivers tailored home extension solutions that maximise space, enhance property value, and reflect your unique lifestyle—all while keeping your project on budget and fully compliant with local regulations.
Whether you want to create an open-plan kitchen, add an extra bedroom with a loft extension, or transform your living space with a modern rear or side return extension, ABL Design London offers end-to-end services. From initial space planning and architectural design to securing planning permission and managing local authority inspections, we guide you through every step of the process for a seamless, stress-free experience.
Why Choose ABL Design London for Your House Extension?
Comprehensive Service: We manage everything—from concept and planning to construction and certification—ensuring your extension meets all building regulations and planning requirements.
Bespoke Design: Our creative architects work closely with you to design extensions that are functional, stylish, and tailored to your needs, whether it’s a double storey, wraparound, or single storey extension.
Local Expertise: As a trusted London-based company, we understand the unique challenges of building in the capital and help you navigate planning permission and local authority processes efficiently.
Quality Assurance: Every project is delivered to the highest standards, with relevant certificates provided upon completion for your peace of mind.
Transparent Pricing: We offer clear, competitive quotes with no hidden costs, helping you achieve the best cost-to-value ratio for your investment.
See Our Work First-Hand
We believe in the quality of our craftsmanship. Prospective clients can arrange visits to completed projects, giving you the opportunity to see our work up close and speak directly with previous customers about their experience with ABL Design London.
Ready to Expand Your Home?
Contact ABL Design London today for a free consultation and discover how a bespoke house extension can transform your property, increase its value, and create the space your family deserves.
FAQ – House Extensions in London
Q: How much does a house extension cost in London?
A: The cost of a house extension in London varies depending on the size, type, and specification. For a single-storey extension, expect to pay between £2,300 and £4,000 per square metre. Two-storey extensions and basement projects will cost more. We provide detailed, transparent quotes tailored to your project.
Q: What types of house extensions are available in London?
A: Common types of house extensions include rear extensions, side return extensions, wraparound extensions, double-storey extensions, and loft conversions. Each offers unique benefits for increasing space and value, and we help you choose the right solution for your property.
Q: Do I need planning permission for a house extension in London?
A: Many house extensions in London require planning permission, especially if they exceed permitted development limits or are in conservation areas. We assess your project and manage the planning application process to ensure full compliance with local regulations.
Q: What are permitted development rights for house extensions?
A: Permitted development rights allow certain home extensions without the need for formal planning permission, provided they meet specific criteria regarding size, height, and location. We advise you if your project qualifies and help you navigate the regulations.
Q: How long does it take to build a house extension in London?
A: The duration depends on the size and complexity of the extension. A single-storey extension typically takes 10–18 weeks to complete, while larger or double-storey extensions may require more time. We provide a clear project timeline before work begins.
Q: Will a house extension add value to my property?
A: Yes, a well-designed extension can significantly increase your property’s value and appeal. Our team focuses on both functionality and aesthetics to ensure your investment delivers long-term benefits.
Q: Can you help with the design and planning process?
A: Absolutely. We offer comprehensive design and planning services, including architectural drawings, space planning, and guidance on maximising your property’s potential. We ensure your extension meets all local requirements and your personal needs.
Q: Do you provide project management and certification?
A: Yes, we manage the entire process from start to finish, including project management, building control inspections, and providing all necessary certificates upon completion for your peace of mind.