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If you are planning a new build, conversion or extension in your home, it’s easy to find structural engineers in St James on MyBuilder. They can help you navigate everything from foundation designs and building regulations. It only takes a couple clicks to post your job on MyBuilder today, and structural engineers in St James can get back to you. Or, you can browse our directory of structural engineers in your area and reach out to them directly.

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Some of our top rated structural engineers in St James

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  • Structural engineer in St James

    I’m Dominika — a Part III qualified Architect and Interior Designer based in London, specialising in contemporary residential architecture, luxury interiors, and bespoke design solutions. I provide a full range of architectural and interior design services, supporting clients from early concept stages through to technical delivery. My experience spans projects across the UK and Dubai, including high-end residential homes, loft conversions, extensions, renovations, and commercial spaces. Services include: Planning drawings & planning application packages Loft conversion design packages Rear, side and wraparound extensions Architectural concept design Space planning & layout optimisation Tender packages & construction drawings Interior architecture & bespoke interiors 3D visualisation & photorealistic renders Joinery design & detailing Material, lighting & furniture specification Design & Build coordination Renovation and refurbishment design Virtual interior design services worldwide I’m passionate about creating timeless, functional, and visually refined spaces tailored to each client’s lifestyle and vision. My approach combines creativity, technical knowledge, and attention to detail.

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  • Structural engineer in St James

    Brickwork Repointingh New build Extensions

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  • Structural engineer in St James

    We specialise in high-quality home improvements, with a strong focus on landscaping, extensions, and loft conversions, offering a complete design and build service from start to finish. Whether you’re looking to transform your outdoor space, expand your living area, or unlock the potential in your loft, we provide tailored solutions designed around your needs. From initial concepts and planning through to construction and final finishes, we pride ourselves on clear communication, reliable project management, and attention to detail. Our goal is to create practical, beautifully finished spaces that add real value to your home.

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  • Structural engineer in St James

    I am an interior designer creating stylish, functional spaces tailored to each client’s vision. I focus on detail and creativity to transform homes and businesses into beautiful, practical environments.

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  • Structural engineer in St James

    At SVV Construction Group, we turn "to-do" lists into masterpieces. Finding a reliable contractor is the hardest part of any project; we solve that by providing an all-in-one, design-led service that handles everything from the first sketch to the final coat of paint. Why work with us? In-House Design: Our on-board designer ensures your project is aesthetically stunning and functionally smart before a single brick is laid. Full-Spectrum Expertise: No more chasing five different trades. We are your specialists for loft conversions, bricklaying, decking, professional tiling and more. Precision Finishing: Our painters and handymen provide the high-end detail your home deserves, whether it's a full renovation or small repairs. Professional: We pride ourselves on transparent quoting, and a neighbor-friendly approach. We respect your home and your time. By managing the entire workflow under one roof, we guarantee a seamless, stress-free experience and a finish that lasts for decades. Ready to transform your space? Contact SVV Construction Group today for a free consultation. One team, every trade, zero hassle.

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  • Structural engineer in St James

    Architectural Design Services

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  • Innovation Construction Design & Build are a reliable & professional business dedicated to designs and finishes of the highest quality, tailored personally for the customer. We offer a friendly, methodical, personal and tidy service. Client care, satisfaction, reliability and being trustworthy is our company ethos and we ensure our company adheres to these core values as our basis for each project we are working on from small domestic projects to large commercial contracts

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  • Drawing on over two decades of experience delivering projects across residential, hospitality, mixed-use buildings, and masterplans in urban and semi-urban contexts. I am establishing a private boutique studio that approaches architecture and interior design as a collective and interdisciplinary endeavour. I believe the most meaningful and resilient places emerge from collaboration—between architects, engineers, specialists, clients, and communities—bringing together diverse perspectives to address the challenges of sustainability, wellbeing, and long-term value. Working from London, the studio offers design services for projects of varied scales, from interiors and individual buildings to neighbourhood strategies and masterplans. We specialise in bespoke new-builds, masterplans, residential homes, interior design, and carefully considered extension and renovation projects as well as navigating local planning and building regulation requirements. Our design process begins with a strategic understanding of the site and the ambitions of our clients, balancing creative vision with deliverable solutions. Through a careful integration of craft, technology, and evidence-informed design, we seek to create thoughtful environments that enhance everyday life and wellbeing while contributing positively to the character of the local area.

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  • Structural engineer in St James

    I am an Architectural Technologist with experience across the design and construction industry, skilled in AutoCAD and Revit, with a strong understanding of UK Building Regulations. I have experience producing detailed construction drawings, including kitchen and bathroom joinery details. I have completed a Master's degree in Architectural Technology and Design as well as an HNC in Construction Management (Building Surveying) from the University of Greenwich. I take a practical, detail-oriented approach to design, with a focus on technical accuracy, buildability, and clear communication throughout the design and delivery process. I have a strong interest in sustainable architecture, particularly Passivhaus-led and low-energy design strategies, and am keen to continue developing my expertise in environmentally responsible, high-performance buildings.

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  • Structural engineer in St James

    Founded in 2025, MWA+D is a RIBA Chartered architectural practice based in Epsom, Surrey. Maxwell Ward, a practicing architect since 2005, has extensive experience across conservation, retail, commercial, and residential sectors. Specialising in bespoke homes, refurbishments and extensions, he brings refined attention to detail, materiality, and delivery—leading multidisciplinary teams to deliver thoughtful, high-quality design from concept to completion. We see each project as an opportunity to create spaces that are thoughtful, functional, and responsive to our clients' needs. Our design process is collaborative and inquisitive, grounded in the belief that well-considered design, when done with care, can turn the ordinary into something extraordinary. While grounded in a strong architectural ethos, MWA+D is also focused on project delivery. We are committed to achieving successful and high-quality outcomes across all of our work.

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  • Structural engineer in St James

    Avion Homes Limited specialises in residential new builds, extensions, refurbishments, and bespoke self-build projects across Essex, West Kent, and surrounding areas. With years of experience managing residential developments for major nationwide housebuilders, we deliver high-quality construction with a strong focus on workmanship, organisation, and reliability from start to finish. Our services include: • Residential New Builds • Property Extensions • House Refurbishments • Self-Build Projects • Construction Management As an FMB member and TrustMark registered company, we are committed to delivering professional, compliant, and well-managed construction projects for homeowners, investors, and developers.

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  • Structural engineer in St James

    I help in administration tasks for architects

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  • Structural engineer in St James

    Hey Jazz here I am from B&H, a local Orpington-based painting and decorating team. We specialize in bringing color to life with precision, cleanliness, and a passion for perfection. From single rooms to full home makeovers, we make your house a home. Get your free quote today!" Thanks…

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  • Structural engineer in St James

    Wonderspace Studios Ltd is a precision-led architectural production studio specializing in high-accuracy technical delivery and immersive 3D visualization. We act as a dedicated technical partner for architects, developers, and private homeowners, bridging the gap between creative concept and on-site reality. We specialize in RIBA Stage 4 technical packages, delivering comprehensive Building Regulations and construction drawing sets with a focus on 98% first-pass accuracy. By utilizing a "Live" BIM workflow in Revit, we ensure that every detail—from structural coordination to thermal performance—is seamlessly integrated, reducing site delays and maximizing project margins. Our Core Services: Technical Production: Detailed Building Regulations packages, Stage 4/5 construction detailing, and tender drawings (Revit & AutoCAD). High-End Visualization: 4K atmospheric renders and immersive 3D walkthroughs designed for planning applications and luxury marketing (Lumion & Adobe Suite). Planning & Design: Expert navigation of the UK planning system for residential extensions, bespoke new builds, and hospitality environments. Based in Watford and serving London and the South East, we offer a "plug-and-play" solution for busy practices needing immediate, high-capacity support. We are fully insured and Outside-IR35 compliant, providing the technical muscle of a large firm with the agility of a specialized studio. Transforming vision into buildable reality.

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  • Structural engineer in St James

    Welcome to Petal Gardens! Our professional garden design and build company is dedicated to transforming outdoor spaces into stunning, functional landscapes. With every project, our expert garden designer offer personalised advice to bring your vision to life, ensuring that each garden reflects your unique style and needs. Our team delivers top-notch craftsmanship and exceptional service, handling everything from initial design to final build with meticulous attention to detail. Trust us to create the perfect outdoor sanctuary for your home. Services we offer: Garden Design, Planting Plans, Landscape Lighting, Hardscaping (Patios, Pathways, and Driveways, Irrigation Systems, Lawn Installation, Tree and Shrub Planting, Soil Preparation and Improvement, Outdoor Living Spaces (Decks, Pergolas, and Outdoor Kitchens), Garden Renovation and Restoration, Seasonal Planting and Colour Schemes, Vertical Gardens and Green Walls, Sustainable Landscaping, Garden Fencing and Boundaries, Garden Structures, Wildlife and Pollinator Gardens, Custom Garden Features. Let us bring your dream garden to life!

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4.8

Top rated Structural engineers

Our Structural engineers in St James, are rated 4.8 out of 5 based on 29 reviews from customers like you.

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What services do St James structural engineers offer?

Structural engineers in St James handle everything from structural calculations, to house extensions and new builds. They can help to make your project safe, compliant, and built to a high standard.

Common structural engineering services in St James include:

  • Structural calculations to assess loads and safety for beams, floors, and supports.
  • Structural engineering drawings, including detailed construction plans. Measured surveys to get the dimensions of your existing property.
  • Design work for loft conversions and rear extensions.
  • Planning and Building Control support to help meet regulations.

If you're looking for structural engineers and specialist firms in St James, MyBuilder makes it easy.

It only takes a couple of minutes to post, including what kind of structural work you are looking for, and you’ll be matched with structural engineers in St James who are ready to help. It’s that simple.

How much do structural engineers in St James cost?

The average cost for hiring a structural engineer in St James can start from around £1,000 to £2,500 for basic structural calculations and drawings on a small project like an extension, with prices increasing for larger jobs.

Here’s a quick look at typical structural engineer costs:

  • Planning drawings for extensions: £1,000 to £2,000
  • Loft conversions or small new builds: £1,500 to £3,500
  • Full house extension service: £2,000 to £5,000
  • New 4-bed home design: £8,000 to £15,000+

To get an idea of the right price for your service, it’s best to read this quick structural engineer cost guide, and compare quotes from different structural engineers in St James on MyBuilder.

Find structural engineers in St James with MyBuilder

Hiring a structural engineering firm in St James with MyBuilder is simple. Just follow these steps:

Step 1: Post your structural engineering job on MyBuilder

Whether you need simple structural calculations or detailed drawings for a full house extension, post your job on MyBuilder to find structural engineers near you.

As soon as you’ve posted your job, we’ll share it with local structural engineers in St James who can register their interest.

Step 2: Compare structural engineers in St James

Once your job receives interest from structural engineers,you can compare their MyBuilder profiles, work history, and customer reviews.

From there, you can get in touch to discuss your specific needs, what’s included in their service and request quotes to find the best fit for you!

Step 3: Hire St James structural engineers with confidence

After you have the information you need from your preferred St James structural engineers on MyBuilder, you can compare your options and quotes before making your final decision.

All tradespeople on MyBuilder undergo checks at registration - such as ID documents, company details, certifications for regulated jobs and skill assessments - allowing you to hire with confidence.

What to ask a structural engineer in St James before hiring?

When you are hiring a structural engineer in St James, it’s important to ask the right questions to make sure you find the right fit for the job you need done:.

Are you chartered with indemnity insurance?

Every St James structural engineers should explain their professional status (e.g., chartered IStructE or ICE member with years of membership) and confirm insurance details (e.g., £1m+ professional indemnity cover for design risks).

Do you have experience with similar St James projects and council approvals?

The St James based structural engineer should go through some specifics, like how they have executed different types of local extensions or lofts approved by councils in your area. Often, you can view images of their previous projects on MyBuilder.

What’s your process for surveys, calculations, and compliant drawings?

Expect St James structural engineers to walk you through the whole process. Asking this helps confirm they follow a thorough, step-by-step approach tailored to your property, from on-site surveys to precise load analysis and drawings.

What are your fees for my project, including fixed pricing and site visits?

A structural engineer in St James should give you a clear quote. They should quote a fixed fee for your project (e.g., £1,500 for loft including survey, drawings, visits, and revisions), with a simple breakdown and no surprises.

What's your availability, and how do you manage project issues?

Structural engineers in St James often offer site visits within a week, provide regular updates via phone or email, spot potential issues early (like foundation changes), and deliver fast redesign options with clear costs to keep your project on time and within budget. It’s good to talk through their availability early on.

FAQ: Common questions about structural engineers in St James

Do St James structural engineers handle planning permission submissions?

Yes, most structural engineers in St James prepare and submit structural calculations and drawings as part of planning applications, coordinating with your architect and local council. This ensures load-bearing designs meet local guidelines from the start, avoiding delays along the way.

What is included in a structural engineering service in St James?

A complete service in St James usually includes measured surveys, structural calculations, detailed construction drawings for Part A compliance, planning/building regulations submissions, site visits, and coordination with builders.

It’s a good idea to confirm a full scope checklist upfront.

How long does the structural engineering process take?

Timelines vary by project size and approvals. Basic calculations and drawings might take 2 - 4 weeks, while full conversion designs with Building Control could span 4 - 8 weeks. Your chosen structural engineer can outline a precise schedule after an initial site visit.

Will St James structural engineers provide 3D visualisations or models?

Many structural engineers in St James offer 3D models or visualisations integrated with their drawings to show beam placements and structural changes clearly before work begins.

This helps for loft conversions, extensions, or planning submissions, making complex load details simpler.

How do structural engineers in St James incorporate sustainable practices like energy calculations?

A structural engineer in St James should run energy calculations with your design, use efficient materials for better EPC ratings, and show savings without extra cost.

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