House Extension Specialists: Creating Beautiful, Functional Spaces with EA

When it comes to extending your home, the goal isn’t just to add more space, it’s about creating an environment that enhances your lifestyle. In this article, explore the importance of functionality and aesthetics in extensions and how Extension Architecture leverages its design and build services to curate aesthetically beautiful yet meaningful extension spaces.

House Extension Specialists: Creating Beautiful, Functional Spaces with EA

 

 

In Brief

 

  • At Extension Architecture, we are your go-to extension specialists for all types of extensions, from simple to complex expansions.
  • Our design and build process is a proven and time-tested approach ensuring quality, precision, and timely delivery.
  • Project management has been one of our strengths that ensures transparency, quality, and accountability.
  • Our extension specialists carry over 14 years of experience in curating extensions and conversions.

 

Planning for an extension that ticks all the boxes? Give us a call or write to us and get a free quotation for your plan.

 

In architecture, if etching out a functionality is science, then crafting aesthetic beauty is an art. A construction outcome will only reach it’s intended culmination when beauty and art amalgamate into delivering a meaningful and impactful space.

 

At Extension Architecture, we believe that beauty is more about spatial design. Yes, there is beauty in aesthetics, but more than just visual appeal, beauty is more about the craft of an efficient design that exudes function, and how it integrates every element of the space to make it integral.

 

EA’s House Extension Builders

 

Home extensions should be those spaces that satiate both practical viability and aesthetic beauty. Any extension design should elevate the overall lifestyle and meet everyday needs in addition to enhancing the aesthetics of your space.

 

Whether it is designing a home office, an extended kitchen, or an open plan living area, our house extension builders are not just adept at blending beauty and practicality but also at creating a seamless environment that delivers comfort and productivity. From specialising in straightforward rear and side extensions to complex dormer loft conversion and creating bespoke spaces, our extension builders combine architectural creativity and technical precision to deliver a gamut of extension solutions that last long.

 

Here’s what you can expect from Extension Architecture’s builders –

 

  • Designing with Intent
As seasoned experts we know what it takes to bring forward a holistic design and construction that strikes a balance between function and beauty. We hence start by asking the right questions – what will the extension be used for? Who will be using the extension? What should the ambience inside the extension space feel like? How important is light and use of energy efficient elements in the space?

 

  • Integrated Process
Being design and build specialists, we operate with a unified approach combining architects, planning consultants, structural engineers, and interior designers under one roof. We bring them all from the onset of the project culmination so that each department is fully aware and is in tune with what the project demands and its end goal.

 

  • Being Specialists
As extension specialists, our builders know the art to seamlessly blend old and new structures and possess a high level of skill in maximising space and layout efficiency. Because of our exclusivity in extensions, we tailor solutions that address typical extension challenges and constraints like narrow spaces, limited natural light, and other planning-related roadblocks.

 

  • High Quality Craftsmanship
From ensuring structural integrity, seamless design, to designing impeccable finishing we source materials and workmanship of the highest standard and apply innovative & expertly driven techniques that tell a story.

 

Why Choose EA for Your House Extension Project?

 

When it comes to extending and transforming homes, not all builders have the affinity and expertise in extensions. Extension Architecture stands out in today’s London’s dynamically evolving market with its uniquely integrated approach coupled with high design and build standards that result in productive and eye-pleasing extension spaces. Here’s what truly sets EA’s extension builders apart –

 

1. Focused Expertise on Extensions

 

We exclusively specialise in extensions and loft conversions across London, Surrey, and beyond, which means that we can offer end-to-end expertise, from planning, designing, building, seeking planning approvals, to finishing the project.

 

Our focused expertise in extensions gives us the edge to design spaces that maximise efficiency, integrate the old and new, while offering customised solutions to address complex issues, whether it is removing or adding a load bearing wall, allowing more natural light into the space, opening up a narrow space, and similar other extension challenges.

 

2. Design and Build Expertise Under One Roof

 

Unlike traditional setups where design and construction are handled by separate entities, making them disparate, we offer an integrated design and build model that results in –

 

  • Builders working directly with architects and planners from the project’s inception.
  • Realistic and buildable designs from the start.
  • Transparency with the client at every stage of the project
  • Cohesive and seamless communication among all specialists, resulting in a well-informed project that’s intended to succeed
  • Cost-effective and high-quality sourcing of materials and craftsmen.
  • Timely delivery of the project with minimal to no delays.

 

3. Project Management

 

By deploying our project management team, we ensure there is clarity on budget breakdowns, resource allocation, and on all finite elements of the extension project. It also enables us to deliver efficient scheduling and coordination between multiple professionals and specialists to ensure each phase of the project is on track and flows smoothly while we also have complete control over costs, and quality with reduced risks.

 

4. Expertise in Planning & Regulatory Issues

 

Navigating the UK’s planning regulations, especially London’s planning permissions, building regulations, and other similar compliances, is not only an arduous task but is also complex. Our regulatory specialists are extensively experienced in ensuring compliance without compromising on creativity and quality.

 

From seeking planning permission-related approvals, complying with building regulations, party wall regulations, and other local authority planning rules, we ensure seamless and faster approvals by prioritising project delivery.

 

5. Progressive Approach

 

Being a forward-thinking architectural practice, we leverage trends and methods that stand for an environmentally friendly and future-prepared construction. By integrating energy efficiency, sustainability, and smart technologies in every design phase of the project, we ensure the end outcome is an extension that not only appraises property value but also exudes longevity in terms of structural integrity and design relevance.

 

Cost for a House Extension Project

 

The cost of a house extension project in the UK can vary significantly based on size, complexity, location, and the quality of finishes. Typical elements of a house extension involve the following –

 

  • Design and planning: Architectural drawings, planning applications, structural calculations.
  • Construction: Foundations, walls, roofing, doors, windows, and finishes.
  • Services: Installing plumbing, electrical, and heating equipment.
  • Project management: Site supervision and timeline control.
  • Upgrades: Sustainable materials, energy-efficient upgrades, smart technologies (if needed).
  • Finishes: Basic kitchen/bathroom, flooring, painting.

 

Average Extension cost per square metre based on the location –

 

Type of Extension London Rest of UK
Single Storey Extension (Basic) £2,000 to £3,000 £1,500 to £2,200
Single Storey Extension (High-end) £2,800 to £3,800 £2,000 to £3,000
Double Storey Extension (Basic) £3,000 to £4,200 £2,400 to £3,300
Double Storey Extension (High-end) £5,100 to £6,400 £3,200 to £4,600
Loft Conversion £1,800 to £2,700 £1,300 to £2,000

 

Average Cost of an extension typical and common of its type across London –

 

Type of Extension Size Cost (basic to high-end finish) Total Cost
Single Storey Rear Extension 12 square metres £1,800 to £4,500 £21,600 to £54,000
Single Storey Side Return Extension 12 square metres £1,500 to £4,200 £18,000 to £50,400
Single Storey Rear Extension 20 square metres £1,800 to £4,500 £36,000 to £90,000
Single Storey Side Return Extension 20 square metres £1,500 to £4,200 £30,000 to £84,400
For double-storey extensions, the cost ranges between £3,000 to £6,400 per square metre, and based on the area, one can calculate the total cost.

 

Additional Costs to Consider

 

  • Planning permission and approvals: £200 – £2,000 (depending on complexity)
  • Party Wall agreements: £1,000 – £3,000 (if needed)
  • Building regulations inspections: £750 – £1,500
  • Contingency budget: 10–15% of total cost

 

Conclusion

 

What sets Extension Architecture’s extension builders apart isn’t just about the build; it’s more about the journey till execution. With a commitment to quality, collaboration, and customer satisfaction, we deliver more than space, which is peace of mind and timeless design.

 

If your goal is a well-designed, smoothly executed, and compliant extension, let us know about your extension plans and vision. Contact our experts for an initial consultation.

Steph Fanizza, Architectural Design & Team Manager

Tell us about your plan and we'll send you a free quote! It takes less than 30 seconds!

Eugene Kim

Eugene Kim

Author

Eugene Kim, Founder and Managing Director of Extension Architecture, has led the firm for over 14 years, consistently delivering quality solutions. His dedication has been key to the company's growth and success.


Relevant Blogs

Steph Fanizza

Architectural Design & Team Manager

Tell us about your plan and we'll send you a free quote! It takes less than 60 seconds!

Step 1 of 5


Book a free video meeting