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Sixthart Ltd


Services and skills

  • Architectural Services

    6 skills

    3D Architectural Models

    Architectural Drawings

    Architectural Technician

    Planning / Design

    Planning Consultants

    Technical Drawing

  • Services

    4 services

    • Domestic Work
    • Commercial Work
    • Insurance Work Undertaken
    • 24 Hour Call-out


Customer reviews

Overall ratingin last 12 months

9.91Write a review
  • Workmanship9.67 out of 10
  • Tidiness10 out of 10
  • Reliability10 out of 10
  • Courtesy10 out of 10
Write a review

14 Total Reviews

The reviews below represent customers' views and not the views of Checkatrade

  • Making a retrospective claim to the local council to put in a shed a some trees.

    9.33Verified Review

    Erhan was quick and efficient. He prepared a full application including drawings of the garden which was presented to the Council which granted permission within the time period without having to go through any other procedures.

    Location: SE9
  • House extension project

    10Verified Review

    Sixhart provided us with exceptional detailed drawings that not only secured planning permission but also made the builder's job much easier. Highly recommended.

    Location: HA6
  • Good communication, value for money and trusty

    10Verified Review

    Good communication, value for money and trustworthiness. He understands our expectations very well and perfectly guided the project.

    Location: W11
  • Thank you

    10Verified Review

    We had great experiences with Sixtart, always responded quickly. We had great experience.

    Location: SN16
  • Double Side Extension and Internal Alterations

    10Verified Review

    We worked with Sixthart Architectural Services/Mr.Erhan for our refurbishment and double-side extension project. They got permission from the council and They have completed on time what he said before starting. They provide optional plans and some concept drawings without charge. They are really helpful and honest. I highly recommend it to my friends and family!

    Location: E10
  • Planning permission drawings

    10Verified Review

    Sixthart has been extremely helpful. He designed and completed drawings for a planning permission which resulted in granted first time. I highly recommend the Sixthart! Thank you Erhan!

    Location: E1

Company profile

  • OwnerErhan Korkmazyurek
  • Member Since2021
  • Public Liability InsuranceSelf-Certified
  • AddressChecked
  • IdentityChecked
  • Checkatrade T&C'sSigned
  • VATNo
  • Company typeLtd Company

Company info

We are an architecture and interior design studio based in central London.

We have quite experience in planning permissions for extension, loft, alterations and new build projects.

With our competitive prices and speed of project delivery, along with our vast experience, we are looking forward to working with you.

What we do; 

Site Survey

 Design and Planning 

Drawings Writing of Supporting Statements 

3D Visualisations

Planning Conditions 

Building Regulations and Calculations 

Project Management

Contact details