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When it comes to new builds, conversions, or extensions, finding the right structural engineer makes all the difference. Post your job on MyBuilder to connect with verified structural engineers in Welwyn. Browse profiles, compare quotes, check real customer reviews, and hire with confidence.

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Some of our top rated structural engineers in Welwyn

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  • Working closely with our clients, Home Design 4 You provides a Single Point One-Stop, Innovative Architectural, Creative Interior - Bespoke Design, 3D Visualisation, Project management and Design & Build services for all types of residential development and Home Improvement projects.

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  • Affordable architectural, conservation, and planning services. I have a particular focus and experience on planning permissions in Camden and the central areas of London. Client-led and to-date 100% success rate at planning. I work flexibly and expressly to the requirements of clients, with no unnecessary bells, whistles, or hidden fees. Free consultation and free advice for simple matters. No upfront fees - payment due on completion of stages to client's satisfaction. Experience of working in: Camden, Islington, Westminster, Hammersmith & Fulham, Brent, Luton, Southwark, RBKC, Richmond.

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  • Welcome to Hurayrah Design, a London-based architectural technologist practice delivering precise, innovative, and practical design solutions across the UK. We specialise in bridging the gap between creative design and technical execution, ensuring every project is thoughtfully developed and build-ready. With a strong focus on technical accuracy, compliance, and feasibility, we guide clients through every stage—from initial surveys, planning permissions, and building regulations, to detailed specifications and construction support. Our expertise in 3D modelling, existing surveys, and smart home integration enables us to create designs that are not only visually compelling but fully functional and compliant. At Hurayrah Design, we understand the complexities of construction and strive to minimise risk, reduce costs, and improve project delivery through meticulous planning and collaboration. Whether you’re embarking on a residential extension, interior refurbishment, or landscape transformation, we ensure your vision is realised efficiently, sustainably, and to the highest standards. Let’s work together to bring clarity, precision, and innovation to your next project. Contact us to discuss your requirements.

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  • I am an architectural designer with my own team of structural engineers and surveyors. I have 17 years of experience in planning, architectural design and building regulations. I am qualified with B.Arch Degree and M.Sc. from UCL. I have experience with all London Boroughs.

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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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  • My primary focus is delivering full design-and-build solutions for high-end residential projects, with a specialization in architectural metalwork and structural detailing. This includes bespoke terrace railings, glass balustrades, balconies, gates, and structural steelwork — all produced in line with approved engineering calculations and building regulations. In addition, I manage planning permission projects for residential extensions, loft conversions, and outbuildings, providing complete drawing packages and coordinating submissions for local authority approval.

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  • Structural engineer in Welwyn

    Main contractor working on new builds, extensions and conversions.

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  • Structural engineer in Welwyn

    I provide professional design services specialising in floor plans, loft conversions, home extensions, and residential layouts tailored to each client’s needs. With a focus on design, practicality, and attention to detail, I help homeowners transform their spaces into functional and modern living environments. From initial concepts to detailed drawings, I work closely with clients to deliver high-quality plans that maximise space, and bring their vision to life. Reliable, professional, and committed to excellent service on every project. I have worked in the industry for over 11 years, and therefore can provide a quick turnaround time for any design services required and planning support.

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  • Woodford Construction Services Ltd (WCSL) is a building, construction, and refurbishment company, which has been established for more than 25 years. As reputable building contractor, WCSL is able to offer a wealth of experience, having undertaken a broad spectrum of projects in the past. From small residential refurbishments, to large scale, high-value commercial developments, we are confident that we can provide the skills and services that your building project will require. WCSL offer a range of construction services, from architecture and interior design, to building and refurbishment. We have established and developed a diverse variety of expertise, which can be evidenced through our extensive portfolio of previous commissions. From minor alterations, to larger home builds, we have previously taken on a variety of internal and external residential projects. These have included extensions, loft conversions, and various internal refurbishments, including interior fit outs. We have also been involved in a wide range of commercial construction projects. This has ranged from new build construction, to the extensive refurbishment of flats, houses, offices and industrial units.

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  • Structural engineer in Welwyn

    Dowley & Co is an architecture practice providing bespoke buildings, interiors and landscapes throughout the UK and Denmark. Founded by Sam Dowley and Charlie Clark, the practice’s ambition is to create places where people want to linger longer. We believe in clean and simple scandinavian design traditions and overlay our projects with references to our own unique North-Norfolk/ London context. We always strive for sustainable solutions. We relish in establishing strong and transparent relationships with our clients because we understand that a successful project depends on collaborative relationships between client, architect, consultant and of course, the trades that build it.We routinely work with a specialist network of highly trained consultants and contractors, all who we recommend on our projects and who progress projects confidently and quickly.

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  • Studio 20 Architects is a vigorous and contemporary architecture firm based in Richmond, yet operating across London and South East England and covers all London and Surrey. We offer a full range of services including; *Architectural Services *Planning Application Services *Building Regulation Drawings *Structure Engineering Services *Extension *Loft Conversion *Project Management *Flat Conversion *HMO *Change of Use *New Build House *Interior Architecture & Design Services

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  • Structural engineer in Welwyn

    ScanConstruct provides professional site surveys and 3D laser scanning for construction, steelwork, renovations, and bespoke installations. We deliver precise measurements, point clouds, and CAD drawings to help builders, architects, and fabricators plan and execute projects accurately. Reliable, fast, and detail-focused service.

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  • Structural engineer in Welwyn

    We are a dedicated team of experienced, field-based professionals with diverse backgrounds in Health and Safety, Engineering, Project Management and Environmental Sustainability. Our combined expertise allows us to deliver integrated building solutions covering essential services, ensuring each client’s project operates smoothly, efficiently, on schedule and always in compliance with the highest industry standards. At VCNY Group Limited, we pride ourselves on turning ambitious visions into reality by blending innovation with practical, reliable execution. Established on unwavering principles of integrity, creativity and excellence. Our company has earned a leading reputation across the construction and civil engineering sectors. In addition to exceptional building services, we provide expert consultancy to guide clients through complex projects with confidence. From initial concepts to project completion, we remain committed to quality, sustainability and client satisfaction, setting the benchmark for superior results in every endeavour.

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  • 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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  • At Blue Decor, we believe that style and function are just the beginning of creating a home that serves as a sanctuary and a space where you and your family thrive. We strive to create a uniquely personalized process for each client beyond achieving a pretty space. The right surroundings can transform your mindset and your life. We look forward to creating a space with you that does exactly that.

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  • Structural engineer in Welwyn

    Blackstone Architects are fully qualified architects specialising in extensions, loft conversions and new build residential projects. We offer a free initial meeting with a qualified architect to discuss your brief, show you similar projects and provide a competitive fixed fee for Planning and or Building Control drawings. We have built strong long-term partnerships with Structural Engineers, Planning Consultants, Party Wall Surveyors, Acoustic Consultants and M & E Engineers, fostering a collaborative approach to every project. Blackstone Architects have worked on over 470 projects in and around the London, Gatwick, Brighton, Oxford, Gravesend and Milton Keynes areas and have extensive experience in all of the RIBA Work Stages: Design, Planning Applications, Building Control, Working Drawings, Tender and on site project management.

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4.6

Top rated Structural engineers

Our Structural engineers in Welwyn, are rated 4.6 out of 5 based on 24 reviews from customers like you.

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What services do Welwyn structural engineers offer?

Structural engineers in Welwyn 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 Welwyn 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 Welwyn, 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 Welwyn who are ready to help. It’s that simple.

How much do structural engineers in Welwyn cost?

The average cost for hiring a structural engineer in Welwyn 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 Welwyn on MyBuilder.

Find structural engineers in Welwyn with MyBuilder

Hiring a structural engineering firm in Welwyn 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 Welwyn who can register their interest.

Step 2: Compare structural engineers in Welwyn

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 Welwyn structural engineers with confidence

After you have the information you need from your preferred Welwyn 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 Welwyn before hiring?

When you are hiring a structural engineer in Welwyn, 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 Welwyn 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 Welwyn projects and council approvals?

The Welwyn 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 Welwyn 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 Welwyn 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 Welwyn 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 Welwyn

Do Welwyn structural engineers handle planning permission submissions?

Yes, most structural engineers in Welwyn 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 Welwyn?

A complete service in Welwyn 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 Welwyn structural engineers provide 3D visualisations or models?

Many structural engineers in Welwyn 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 Welwyn incorporate sustainable practices like energy calculations?

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

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