Site-specific technical drawings and specifications for Building Control.

  • Detailed Building Regulations Drawings
  • Full Plans Application Preparation
  • Building Control Liaison
  • Structural Engineering Available
  • Fast 72-Hour Drawing Service
  • Call Today: 0800 6122 067

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Building Regulations Drawings & Plans

Detailed technical drawings and Building Regulations packs for extensions, loft conversions and alterations. Prepared for Building Control with fixed pricing and fast turnaround.

  • • Fast turnaround
  • • Building Regs From £595
  • • Building Control Ready

Building Regulations Packs

Complete Building Regulations Packs including technical drawings, construction details, insulation specifications, fire safety compliance and structural notes for extensions, loft conversions, outbuildings and internal alterations.

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Building Regulations extension drawings

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Building Control technical plans

Extension wall and roof details

Extension wall and roof details

Foundation construction detail

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Building Regulation Packs

Why Choose SMARTePLANS® for Your Building Regulations Pack?

  • Full technical drawings for builders & Building Control

  • Construction details for foundations, walls, roofs & floors

  • Insulation, U‑values & thermal compliance

  • Fire safety compliance (Part B)

  • Structural notes (with optional engineer’s calculations)

  • Drainage, ventilation & electrical compliance

  • Fixed pricing with no hidden extras

  • Fast turnaround

  • 100% digital workflow — no site visit needed

What’s Included in a Building Regulations Pack?

  • Existing drawings

  • Proposed drawings

  • Detailed construction notes

  • Foundation details

  • Wall build‑ups (cavity, timber frame, steel frame)

  • Roof build‑ups (warm roof, cold roof, dormer details)

  • Floor build‑ups (insulation, DPM, screed)

  • Fire safety notes (Part B)

  • Ventilation notes (Part F)

  • Drainage layout (Part H)

  • Thermal compliance (Part L)

  • Access compliance (Part M)

  • Electrical notes (Part P)

  • Optional structural engineer’s calculations

  • Full pack ready for Building Control submission

Projects We Cover

  • House extensions

  • Loft conversions

  • Outbuildings & garden rooms

  • Garage conversions

  • Internal structural alterations

  • Roof alterations

  • Flat conversions

  • HMOs

  • Commercial → residential conversions

Building Control Compliance

Your pack is prepared to meet:

  • Part A — Structure

  • Part B — Fire Safety

  • Part C — Site Preparation & Moisture

  • Part E — Sound Insulation

  • Part F — Ventilation

  • Part H — Drainage

  • Part L — Energy Efficiency

  • Part M — Access

  • Part P — Electrical Safety

Every drawing and note is aligned with the latest Building Regulations standards.

Our Process

  1. Upload photos + measurements

  2. We produce your technical drawings

  3. You approve the draft

  4. We prepare your full Building Regulations Pack

  5. You submit to Building Control (or we can do it for you)

  6. We assist with any Building Control queries

Start your Building Regulations Pack today — fixed price, fast turnaround.Trusted by 5,000+ homeowners ⭐⭐⭐⭐⭐

Building Regulations FAQ

How much do Building Regulations drawings cost?

Our Building Regulations drawing packages start from £595, with clear fixed-fee pricing. The final cost depends on the size and complexity of the project and any additional technical or structural information required. Request a free quote and we'll confirm the cost before work begins.

What are Building Regulations drawings?

Building Regulations drawings are detailed technical drawings and specifications showing how a project should be constructed to meet the applicable Building Regulations. They typically cover matters such as structure, insulation, fire safety, ventilation, drainage and construction details.

Do I need Building Regulations drawings for an extension?

Most house extensions require Building Regulations approval. Detailed drawings can provide Building Control and your builder with the technical information required to assess and construct the project correctly.

Are planning drawings and Building Regulations drawings different?

Yes. Planning drawings primarily show the design and appearance of the proposed development, while Building Regulations drawings contain considerably more technical construction and compliance information. We can prepare both stages where required.

Can you submit my drawings to Building Control?

Yes. We can prepare the Full Plans package and, where included in your service, submit the application and liaise with Building Control on your behalf.

How quickly can you prepare Building Regulations drawings?

We can typically prepare initial Building Regulations drawings within 72 hours once we have all the information required to begin. More complex projects may require additional time, which we'll confirm at the outset.

100% APPROVAL ON REGS

Need a set of building regulations drawings for your build?

Most extensions, loft conversions and structural alterations require Building Regulations approval, even where planning permission is not required.

Building Regulations

Building Regulations Drawings are the standards for design, construction and alterations to virtually every building in the UK. The standards are developed by the Government and approved by Parliament.
The Building Regulations also contain a list of requirements (referred to as Schedule 1) that are designed to ensure minimum standards for health, safety, welfare, convenience, energy efficiency, sustainability and to prevent misuse, abuse or contamination of water supplies.
These regulations set national standards for building work, whether its on a major new development or an extension or alterations to your home.
They cover all aspects of construction, including foundations, damp-proofing, the overall stability of the building, insulation, ventilation, heating, fire protection and means of escape in case of fire. They also ensure that adequate facilities for people with disabilities are provided in certain types of building.
The Types of Work are Building Regulations Approval Required For Are:
New Build Residential Properties.
Extensions and Alterations.
Change of Use.
Internal Structural Alterations.
Loft and Garage Conversions.
Installing a WC.
Loft Conversions
Building regulation drawings are technical drawings that set out the details, such as construction methods and types of materials that should be used throughout the build.

Building Regulations Approval

🏗️ Building Regulations

Building Regulations are a legal framework that governs how buildings are designed and constructed. They ensure safety, energy efficiency, accessibility, and environmental performance. Unlike planning permission (which decides if you can build), Building Regulations decide how you must build.

🔍 What Do Building Regulations Cover?

Key areas include:

  • Structural integrity (Part A)
  • Fire safety (Part B)
  • Site preparation and resistance to contaminants (Part C)
  • Moisture and damp prevention (Part C)
  • Ventilation (Part F)
  • Drainage and waste disposal (Part H)
  • Conservation of fuel and power (Part L)
  • Access and use of buildings (Part M)
  • Electrical safety (Part P)

Each part has detailed technical guidance that must be followed during construction

🧾 How to Get Building Regulations Approval

You can apply through:

  • Local Authority Building Control (LABC)
  • Approved Inspectors (private sector professionals)

There are two main routes:

  • Full Plans Submission: Detailed drawings and specifications are submitted for approval before work begins.
  • Building Notice: A simpler route for straightforward projects, but not suitable for new builds.

📜 Completion Certificate

Once the work is inspected and approved, you’ll receive a Completion Certificate — essential for selling or insuring the property.

⚠️ Common Pitfalls to Avoid

  • Starting work without approval
  • Using outdated technical standards
  • Poor insulation or ventilation design
  • Non-compliant drainage or fire escape routes

We have a 100% success rate in obtaining building regulations approval for our clients, providing fully annotated, detailed building regulation drawings, these Building Regulations Drawings will also enable your builder to quote on the build costs for your project.

 

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99% PLANNING APPROVAL & 100% ALL OTHER APPLICATIONS

Most extension projects require Building Regulations approval in addition to planning or permitted development considerations.

Our approval success rates speak for themselves, don't leave it to chance, contact us today!

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