167-169 Great Portland Street, London United Kingdom
Planning Portal Certified Agent 99.4% Council Approval Rate
Design to Delivery

Plans Designed For Council Approval

Whether you want to expand your ground floor with a light-filled rear kitchen extension, build a dormer loft conversion, or develop multiple residential flats, our architectural team turns ideas into detailed, statutory-compliant drawings.

We handle everything: precision measured surveys, existing & proposed 2D CAD floor plans, section cuts, roof plans, block plans, and full submission to your local authority via the Planning Portal.

Estimate Fees

Standard Architectural Drawings Pack

  • Existing & Proposed Floor Plans (1:50 / 1:100): Showing accurate room dimensions, structural walls, window and door placements.
  • Existing & Proposed Elevations: Front, rear, and side exterior views depicting materials, rooflines, and ridge heights.
  • Section & Roof Plans: Demonstrating internal ceiling heights, stair headroom, insulation zones, and rainwater falls.
  • Ordnance Survey Location & Block Plans: Licensed 1:1250 site location plans and 1:500 block plans outlined with red and blue boundary lines.
  • Planning Agent Representation: We submit and manage the planning portal case, fielding case officer queries until decision notice.
Our Portfolio of Work

Architectural Services We Provide

Tailored architectural design solutions conforming to UK national and local council supplementary planning guidance (SPD).

House Extensions

Transform your ground floor with rear kitchen/diners, side infills, and wrap-around extensions that seamlessly integrate indoor and garden living.

Permitted Dev & Full Planning

Loft Conversions

Dormer, Mansard, and Hip-to-Gable loft conversions crafted for maximum usable volume, compliant stairs headroom (min 2.0m), and en-suite bathrooms.

Volume allowance verification (40m³/50m³)

Lawful Development Certificates

Ensure statutory proof that your proposed extension or loft is exempt from full planning under the Town and Country Planning GPDO 2015.

100% legal immunity for mortgage/sale

Garage & Outbuilding Designs

Converting cold underused garages into functional bedrooms, granny annexes, garden offices, or home gyms with complete insulation schemes.

Building Regs Part L thermal compliance

Flat & HMO Conversions

Subdivision of houses into independent apartments or licensed Houses in Multiple Occupation (HMOs) with space standards and fire lobbies.

Nationally Described Space Standards

Dropped Kerb Applications

Crossover drawings and highway visibility splays required by UK local councils to convert front gardens into authorized off-street vehicle parking.

Highways Department compliant