Loft Conversion Drawings & Plans From £595

Planning Permission • Permitted Development • Building Regulations

Loft Planning / Lawful Development Drawings
from £595

Professional loft drawings for Planning Permission or a Lawful Development Certificate, with planning agent service included.

  • Lofts . Dormers . Mansard . Outriggers

Building Regs Drawings from £595

Detailed Building Regulations drawings and specifications for builder quotes and Building Control submission, with application management available.

  • Lofts . Dormers . Mansard . Outriggers

Planning + Building Regs from £995
SAVE £195

Complete Planning and Building Regulations drawing packages, including application submission and management.

  • Lofts . Dormers . Mansard . Outriggers
  • Loft Conversion Drawings Ready Fast turnaround
  • Fixed-Fee Loft Drawings From £595
  • Measured Surveys & 3D Scanning Available

PROFESSIONAL LOFT CONVERSION DRAWINGS

Professional loft conversion drawings and plans from £595, prepared for planning permission, Permitted Development, Lawful Development Certificates and Building Regulations. Our service covers dormer loft conversions, hip-to-gable alterations, mansard conversions and rooflight installations, with fixed-fee pricing, 3D drawings and planning application support.

Proposed loft floor plans

Proposed loft floor plans

SMARTePLANS® Loft Conversion

Hip-to-gable loft plans

Proposed loft floor plan

Proposed loft floor plan

Loft 3D Visualisation

Loft 3D Visualisation

Planning Permission SMARTePLANS®

L-shaped loft conversion plans

A real approved loft conversion project

A real approved loft conversion project

3D loft conversion visualisations

3D loft conversion visualisations

Existing and proposed elevations

Existing and proposed elevations

SMARTePLANS® Loft Conversion

SMARTePLANS®

Building sections showing headroom and stair arrangements

Building sections showing headroom and stair arrangements

Loft Conversion Drawings

Why Choose SMARTePLANS® for Your Loft Conversion?

  • Professional Loft Conversion Drawings From £595

  • Detailed existing and proposed architectural drawings

  • Dormer, hip-to-gable, mansard and rooflight conversion expertise

  • Planning Permission and Permitted Development advice

  • Lawful Development Certificate applications

  • 3D architectural drawings as standard

  • Building Regulations drawings and technical specifications available

  • Measured surveys and 3D laser scanning available where required

  • Planning application submission and agent service

  • Over 25 years' planning and architectural experience

Types of Loft Conversions We Cover

Loft Conversion Drawings for Every Type of Project

  • Rear dormer loft conversions

  • L-shaped dormer conversions

  • Hip-to-gable loft conversions

  • Mansard roof conversions

  • Rooflight and Velux loft conversions

  • Pitched-roof dormers

  • Loft conversions in conservation areas

  • Loft conversions requiring planning permission

  • Permitted Development loft conversions

What Drawings Do I Need for a Loft Conversion?

Loft conversion drawings typically include existing and proposed floor plans, roof plans, elevations and sections illustrating the proposed alterations. Where Building Regulations approval is required, additional technical drawings and specifications may be needed to address structural alterations, staircase design, fire safety, insulation, ventilation and other applicable requirements.

Planning Permission or Permitted Development?

We assess your loft conversion against:

  • Local planning policy

  • Conservation area restrictions

  • Roof height limits

  • PD volume allowances

  • Dormer design rules

  • Overlooking and amenity considerations

If your loft qualifies under Permitted Development, we prepare a Lawful Development Certificate. If it requires planning permission, we manage the full application.

Loft Conversion FAQ

Our loft conversion drawing packages start from £595, with clear, fixed-fee pricing. The final cost depends on the type and complexity of your loft conversion and the services required. Request a free quote and we'll confirm the cost before work begins.

Loft conversions typically require existing and proposed floor plans, elevations, roof plans and section drawings. The exact requirements depend on whether your project requires planning permission, Permitted Development confirmation or Building Regulations approval.

Not always. Many loft conversions can be carried out under Permitted Development rights, subject to the property and proposed works meeting the relevant criteria. Other projects, including certain dormers and alterations in sensitive locations, may require planning permission. We can assess the appropriate route for your project.

Most loft conversions require Building Regulations approval. These requirements are separate from planning and cover matters including structural safety, fire protection, insulation, stairs and other construction standards. We can prepare the detailed drawings required for your Building Regulations application.

Yes. We can prepare and submit the relevant planning or Lawful Development Certificate application and act as your agent, dealing with the local authority throughout the application process where included within your package.

We can typically prepare your initial planning drawings within 72 hours once we have all the information required to begin. More complex loft conversions may require additional time, and we'll confirm the expected timescale at the outset.

Start your loft conversion drawings today — fixed price, fast turnaround.Trusted by 5,000+ homeowners ⭐⭐⭐⭐⭐

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