The DecoSev company

General building contractor · Yvelines & Île-de-France

Large living area with open kitchen and oak parquet

A people-sized company since 2007

Since 2007, DecoSev has supported its clients with their renovation and building projects in Île-de-France.

Our strength lies in a versatile team, simple coordination between the different trades and a close relationship throughout the job.

Every project is different. We value listening, clear communication and attentive follow-up, from the first visit to the finishing touches.

Every project deserves special attention.

Séverine Bashev DecoSev management
  • Since 2007
  • Yvelines
  • All trades
Discover DecoSev

General building contractor · Yvelines & Île-de-France

Why choose DecoSev?

Simple support, a versatile team and full follow-up for your renovation and building projects.

  • A single point of contact

    Simpler follow-up of your project, from the first conversation to handover of the job.

  • A versatile team

    Several trades coordinated to limit middlemen and simplify organisation.

  • More than 19 years of experience

    A company established since 2007, with hands-on experience of renovation projects.

  • Support from A to Z

    From site preparation to the finishing touches, we follow every stage closely.

  • RGE Qualibat company
  • Ten-year warranty

Improve the energy performance of your home

DecoSev supports you with your insulation and energy renovation work to improve the comfort of your home and reduce heat loss.

  • External thermal insulation
  • Roof insulation
  • Façade work
  • Improving the building envelope
Talk about my project

RGE Qualibat company

Ten-year warranty

Mineral wool insulation between metal studs

From the first visit to the finishing touches

  1. Discussion and site visit

    We listen to your project and visit the site to understand your needs.

  2. A clear proposal

    We present a detailed proposal and answer your questions.

  3. A coordinated job

    The different trades are coordinated by a single point of contact.

  4. Finishing and handover

    We follow every stage, through to the finishing touches and handover.

Got a project? Let’s talk.

Tell us what you need and let’s discuss your renovation or building project.

Request a quote 06 63 15 27 35

Yvelines · Île-de-France