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16 Years
experience
Expert Structural Calculations for Loft Conversions & Extensions
Established in October 2010, Loft Conversion Plans 4 U has been delivering professional structural engineering and design services to clients across London and beyond. Our team specialises in residential projects, offering expertise in loft conversions, extensions, and structural calculations. With over 27 years of combined experience, we prioritise precision in engineering design and compliance with planning and building regulations. Our approach focuses on creating tailored solutions that balance functionality with aesthetic appeal, ensuring projects meet both client needs and regulatory standards. We utilise advanced CAD draughting to produce detailed plans for single-storey and double-storey extensions, dormer conversions, and complex steel fabrication detailing. Our commitment to quality is demonstrated through a track record of over 236 completed projects annually, supported by competitive pricing and a fast turnaround.

Clients benefit from our comprehensive service spanning pre-construction planning, construction phase management, and post-construction certification. We maintain strong relationships with approved inspectors and building control bodies to ensure seamless project approvals. Our expertise extends to structural modifications including beam/column design, wall removal, and load-bearing calculations. By combining technical proficiency with customer-centric service, we aim to transform residential spaces into durable, compliant living environments. This dedication to excellence has established us as a trusted partner for homeowners and contractors seeking reliable structural solutions.
Services
Structural Calculations Loft Conversions Beam Design Architecture Design Planning Submissions CAD Draughting Steel Fabrication Detailing
Details
  • Year established: 2010
Highlights and features
  • 27 years of combined experience in residential structural design
  • Fast turnaround for planning and building regulation approvals
  • Competitive pricing with no compromise on technical accuracy
  • Comprehensive service from design to final certification
  • Proven track record with 236+ annual project completions
Associations and certifications
  • FENSA Certification
  • NICEIC Certification
What people say
Speed of completing complex design Great pricing that beat others Excellent engineering knowledge Outstanding customer service Design completed on time
Services
Structural Calculations
We provide comprehensive structural calculations for residential projects. Our engineers design steel beams, columns, and foundations while ensuring compliance with building regulations. Services cover load-bearing wall removals, floor joist sizing, and complex structural modifications. Clients receive detailed reports for building control submissions.
Loft Conversions
Specialist design services for various loft conversion types including dormer, mansard, and hip-to-gable. We create planning drawings and structural details for converting unused attic space into functional living areas. Our solutions maximise headroom while maintaining structural integrity.
Beam Design
Custom beam design for residential structures, including flitch beams, cantilevered supports, and column pad foundations. We produce fabrication drawings with precise dimensions and material specifications. Services ensure safe load transfer in structural modifications.
Architecture Design
CAD draughting services for residential extensions and renovations. We prepare detailed plans for planning permission and building regulation approval. Services cover single and double-storey extensions, conservatory conversions, and garage modifications.
Planning Submissions
Assistance with planning permission and building control applications. We prepare technical documentation meeting local authority requirements. Services include submission strategy advice and liaison with approved inspectors like LBC.
Questions
What types of loft conversions do you handle?
We specialise in dormer, mansard, hip-to-gable, and l-shaped conversions. Our team creates custom designs for various property types including Victorian and modern homes.
How long does the planning process take?
Typical planning applications take 8-12 weeks for approval. We prepare comprehensive documentation to expedite building control submissions and reduce approval times.
Do you provide structural calculations for steelwork?
Yes, we design all steel elements including beams, columns, and connections. Our calculations meet building regulations and include detailed fabrication drawings for contractors.
Which areas do you serve?
While based in London, we work with clients across the UK. Our services cover London boroughs and surrounding counties for residential structural engineering projects.
Are you certified for building control submissions?
We hold FENSA and NICEIC certifications. Our documents meet approved inspector requirements including LBC final certificates for completed projects.