SMARTePLANS® UKs No. 1 Architectural Service Provider Typically Saving You £3,000+ Compared to an Architect

EXPERTS IN PLANNING
Call - 0800 6122 067

Fast - within 72h | Affordable - from £595 | 99% Approval

DISCOUNT UP TO 50% - SEE OUR PACKAGES

25+ YEARS EXPERIENCE - LOCAL COUNCIL APPROVED 3D DRAWINGS
Trusted by 5,000+ homeowners ⭐⭐⭐⭐⭐

OK, SO WHY SMARTePLANS®?

Well, lots of reasons, but most importantly because..

Council Approved 3D Drawings

SMARTePLANS® Embraces 3D technology, to provide 3D BIM drawings, as standard. Leverging the power of being able to see the project, prior to the build. This greatly improves your chances of approval.

Expert Award Winning Team

Our SMARTePLANS® Team, has over 25 years experience, within the planning industry and has won 40+ Industry Awards, for our achievements for planning & design and exceptional customer service.

Fast Turnaround - Within 72h

Our planning drawings are created in house (in the UK) by our experienced team of architectural technicians, conforming to UK construction standards. With a typical turnaround, within 72 hours.

Transparent Prices Starting at £595

Our Planning Packages Provide, All the required drawings, FREE submission, to your local council, FREE act as your agent, from as little as £595 (council fees excluded).

Before & After Drawings

LOW COST 3D DRAWINGS AS STANDARD

We draw in 3D! Pushing boundaries with Cutting Edge 3D Technologies. We give High-End, services at a fraction of the cost.

3D PROPOSED & AS BUILT EXTENSION

CAD and 2D line drawings do not showcase your design; To the planners or your builder, who may encounter discrepancies in the build due to the lack of a 3rd Dimension.

MAKE CHANGES AT THE DRAWING STAGE!

Our 3D drawings are as standard and gives us the edge in achieving the highest Planning Approval Success Rates of 99%!

Choose Your Project

Most Popular Projects

3 - Easy Steps to Approval

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Step 1

GET YOUR FREE QUOTATION
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Step 2

DRAWINGS READY IN 72 HOURS
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Step 3

FREE REVISIONS & ONGOING SUPPORT

SMARTePLANS® Premier Services

  • 99% PLANNING APPROVAL RATE

    Highest industry planning approval rate.

  • MULTI-AWARD WINNERS

    Winners of 40+ Industry Awards.

  • 3D BIM MODELLING

    We draw in 3D so you see the finished project before the build, included FREE

  • FIXED FEES, TRANSPARENT PRICING

    With our online quoting system, the price you see is the price you pay.

  • LIGHTENING SPEED

    Our IN-HOUSE Drawings are planning ready in 72 Hours!
  • SMARTePLANS Award 2026
  • SMARTePLANS® Multi Award Winners
  • BUILD AWARD 2023

QUALITY SERVICES @ UNBEATABLE PRICES

Want the best architectural services for your extension or conversion? Contact our team today!

We work closely with our clients, delivering an expert and intuitive approach. Our intention is to use our expertise to inform you and provide a service that delivers the intended design, function and value for money of design and outcome. Councils often attach great importance to the design and planning drawings and can refuse a development on poor design, their planning policies, considerations and decisions can vary and there are many issues that need to be considered. Our vast experience in architectural design, planning policies and preparation of planning drawings, allows us to articulate any findings within the development process to achieve the most effective results for you.

Choose Your Project & Configure Your Price.

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Loft Conversion – Dormer – Package
Price range: £500.00 through £1,590.00

Select options This product has multiple variants. The options may be chosen on the product page

Double Storey – Rear Extension – Package
Price range: £695.00 through £1,290.00

Select options This product has multiple variants. The options may be chosen on the product page

Double Storey – Side Extension – Package
Price range: £695.00 through £1,690.00

Select options This product has multiple variants. The options may be chosen on the product page

Single Storey – Wraparound – Package
Price range: £895.00 through £1,890.00

Select options This product has multiple variants. The options may be chosen on the product page

Single Storey – Infill Extension – Package
Price range: £595.00 through £1,590.00

Select options This product has multiple variants. The options may be chosen on the product page

Single Storey – Side Extension – Package
Price range: £595.00 through £1,590.00

Select options This product has multiple variants. The options may be chosen on the product page

Single Storey – Rear Extension – Package
Price range: £595.00 through £1,590.00

Select options This product has multiple variants. The options may be chosen on the product page

Loft Conversion – No Dormer – Package
Price range: £450.00 through £1,490.00

Select options This product has multiple variants. The options may be chosen on the product page

We Will Guide You Every Step of The Way!

Avoid planning refusals - Save thousands on build costs - Get approval first time

SMARTePLANS Award 2026

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CONTACT US FOR A QUOTE OR A CALL

Have any questions, hit the "Speak to Someone" button and book a FREE no obligation telephone consultation!

Industry Accreditations

As Featured in

Trustpilot

What Our Customers Say

Testimonials

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Service is exactly as described

Very quick for responding, service is exactly as described by website and an easy process to go through. really impressive

David Mason

Excellent service

An excellent service! Prompt and professional easy to use and very competitive price

Daniel Owen

Straightforward stress free

Amazingly straightforward stress free and easy to use service – prompt response and excellent value for the service provided. 100% recommended

Nathan Jones

We Have Vast Experience in Dealing With All London Borough Councils.

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99% PLANNING APPROVAL & 100% ALL OTHER APPLICATIONS

Did You Know? That permitted development or neighbour consultation/prior approval, requires a certificate of lawfulness, in order to legalise your extension or loft conversion.

Did You Know? That Building Regulations are a legal requirement for 99% of all projects undertaken in the UK.

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

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