House Extensions London

Chartered Architectural Technologists | ARB Registered Architects

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Expert Design

Trusted Experience

Proven Results

Grow Your Space

Your home deserves to grow with you. Whether you’re dreaming of a larger kitchen, more bedrooms, or an open-plan space, Detailed Planning specialises in creating bespoke house extensions that elevate your living experience and add value to your property.

Avoid the Common Pitfalls of House Extensions

Without expert guidance, house extensions can become overwhelming. These are some common challenges homeowners face:

Poor Design Choices

A lack of careful planning can result in a design that doesn’t meet your needs, is aesthetically unpleasing, or doesn’t add value to your property.

Delays in Planning Permission

Navigating the complexities of planning permissions and building regulations can cause unnecessary delays and frustration.

Cowboy Builders

Hiring unqualified or unreliable builders can lead to subpar results, financial loss, and added stress.

Unexpected Costs

Without proper budgeting and planning, unexpected expenses can quickly add up, derailing your project.

Stressful Project Management

Trying to juggle contractors, timelines, and legal requirements can take a toll, leaving you feeling overwhelmed.

Seamless Home Transformations

At Detailed Planning, we make extending your home simple and stress-free. From concept to completion, our team manages every detail, ensuring your vision becomes reality without the hassle. With years of experience in London’s architectural landscape, we deliver extensions that are both innovative and compliant with local regulations.

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Why Choose Detailed Planning?

We are London’s trusted experts in house extensions, with years of experience delivering bespoke solutions. Here’s why homeowners choose us:

Personalised Designs

Tailored solutions that fit your vision and lifestyle.

Expert Guidance

From navigating planning permissions to connecting with trusted builders, we handle it all.

Proven Success

A track record of high planning approval rates and satisfied clients.

Avoid the Stress of Poor Design and Execution

Home improvement projects can become overwhelming without the right guidance. Poor design, cowboy builders, and complicated regulations can lead to delays, financial loss, and anxiety. Don’t risk these pitfalls. Let Detailed Planning provide the expertise and support you need to make your dream home a reality. You deserve a home that safeguards your savings while enhancing your property’s value. Imagine a space that improves your quality of life and makes you proud. A place where precious memories with family and friends are made.Trusted Guidance Every Step of the Way

We understand how important your home is for your well-being and happiness. With over 14 years of experience, our team is here to guide you, managing each step with care—from initial consultation to the final sign-off—so you can focus on the joy of transforming your home.

Our Simple Four-Step Process

1. Create a Space That Fits Your Vision

Partner with us to design a high-value space tailored to your unique goals. Whether you’re looking to expand your home or add value to your property, we’ll help you make your vision a reality.

2. Leave the Paperwork to Us

Navigating planning permissions and regulations can be overwhelming. Let us handle the approvals, so you can be confident your project is ready for the next step—stress-free and on schedule.

3. Connect with Trusted Builders

We’ll introduce you to reputable contractors who can bring your design to life. With our ongoing support, you can relax knowing the right team is handling your project.

4. Enjoy a Space That Delivers Value

Once your project is complete, you’ll have a space that not only meets your needs but also adds financial value or enhances your home for years to come.Ready to Enhance Your Home?

FAQs

Get answers to common questions about house extensions:
Do I need an architect for an extension?

It’s always a good idea to work with an architect for any significant changes to your home, as they can help ensure that the design is functional, safe, and meets any necessary standards. An architect can also help with the planning and building control process and provide valuable guidance and expertise throughout the project to ensure it goes smoothly. You can trust that Detailed Planning will have the knowledge and experience to help you achieve the extension of your dreams.

Do I need an architect for a small extension?

Even a small extension can involve complex structural and design considerations, so it’s worth consulting with an architect to ensure the project succeeds. Detailed Planning can help you create a functional, safe, aesthetically pleasing design, achieve your goals, and provide valuable guidance and expertise throughout the project. You can trust that an architect will have the knowledge and experience to help you achieve the extension of your dreams, no matter the size.

How much does an architect cost for an extension?

The cost of hiring an architect for an extension can vary depending on the size and complexity of the project, as well as the location and any local building codes or regulations that apply. Architects generally charge an hourly rate or a percentage of the total construction cost for their services. Some architects may also offer fixed-fee or lump-sum pricing options. Discussing the fee structure and any additional costs with your architect before beginning a project is essential. You can trust that Detailed Planning will work with you to find a pricing arrangement that meets your needs and budget.

How do I get an extension on my house?

To get an extension on your house, you will typically need to follow these steps:

Determine the scope and type of extension you want to build.

Consult with an architect or building designer to create the design.

Obtain any necessary approvals from your local council or regulatory bodies.

Hire a contractor to build the extension, and possibly additional professionals like engineers or surveyors.

Monitor the construction process to ensure it meets your satisfaction.

How much does an architect cost for a house extension?

The cost of hiring an architect for a house extension can vary depending on the size and complexity of the project, as well as the location. Architects generally charge an hourly rate or a percentage of the total construction cost for their services. Detailed Planning offers fixed-fee or lump-sum pricing options. Discussing the fee structure and any additional costs with your architect before beginning a project is essential.

How much does it cost for house extension plans?

The cost of house extension plans can vary depending on the size and complexity of the project, as well as the location and any local regulations that apply. Architects generally charge an hourly rate or a percentage of the total construction cost for their services, including creating plans and drawings. Detailed Planning offers fixed-fee or lump-sum pricing options. Discussing the fee structure and any additional costs with your architect before beginning a project is important.

How much does a structural engineer cost for a house extension?

The cost of hiring a structural engineer for a house extension can vary depending on the size and complexity of the project. Structural engineers typically charge an hourly rate or fixed fee for the project. Typical fees can range from £1,000 to £2,000.

How much is the average house extension in the UK to build?

The cost of building a house extension in the UK can vary widely depending on factors such as size, complexity, and location. The Royal Institution of Chartered Surveyors (RICS) estimates that a single-storey extension costs around £40,000 to £50,000, while a two-storey extension may cost £80,000 to £100,000 or more. Note that these figures exclude finishes, electrics, and plumbing, and costs are generally higher in London.

Are house extensions worth it?

Whether a house extension is worth it depends on your circumstances, including your budget, the value of your property, and your reasons for building the extension. In general, a well-planned and well-built extension can add value to your home, increase your living space, and improve functionality. Consulting with professionals ensures that the extension meets your needs and complies with necessary regulations.

Can I build an extension on my house?

Whether you can build an extension on your house depends on factors like the size and layout of your property, local regulations, and any restrictions or covenants in place. You will likely need permission from your local council or regulatory body. Consulting with an architect or architectural professional can help establish what is feasible. Detailed Planning can advise you further.

Avoid the Stress of Poor Execution

Without the right guidance, house extensions can become overwhelming. Poor design and unqualified builders can lead to costly delays and frustration. At Detailed Planning, we offer expert support every step of the way, ensuring your project runs smoothly.

Don’t risk your investment. Choose Detailed Planning for a seamless experience.

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