Drawn to Build Designed to Last

Builder-friendly planning drawings for extensions, conversions, and new builds in Leicester.

About Our Company

Planning Drawings, Building Control Packages & Extension Design

Serving Leicestershire & Surrounding Villages

KJB Design & Planning provides clear, practical and build‑ready architectural design services for homeowners, builders and developers. Whether you’re planning an extension, reconfiguring your layout or developing a rural plot, we deliver complete drawing packages from concept through to approval.

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Full Planning & Building Control Packages

We handle the full process:

  • Planning drawings

  • Planning applications

  • Design & Access Statements

  • Building Regulations drawings

  • Technical detailing

  • Structural coordination

  • Material specification guidance

You get a complete set of drawings ready for submission, approval and construction.

Why Choose KJB Design & Planning

  • Builder‑designer hybrid approach

  • Clear, practical and cost‑aware design

  • Planning success across Leicestershire

  • Fast turnaround on drawings

  • Friendly, direct communication

  • Full packages from planning to building control

Get a Free Initial Consultation

Tell us about your project and we’ll guide you through planning, design and building control.

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A two-storey double garage, featuring a gable roof, large front windows, and a small dormer window.

Extension & Conversion Specialists

We design planning‑ready and construction‑ready packages for:

  • Single‑storey extensions

  • Double‑storey extensions

  • Rear and side extensions

  • Loft conversions & dormers

  • Garage conversions

  • Annexes & multi‑generational living

  • Internal layout redesigns

  • Porch & utility extensions

Every project is designed with buildability, cost efficiency and planning success in mind.

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