South West London Design & Build Limited Logo

South West London Design & Build Limited


Services and skills

  • Central Heating

    12 skills

    Air Source Heat Pump Installation - ASHP

    Air Source Heat Pump Servicing / Repair - ASHP

    Emergency Central Heating Repair

    Gas Boiler Installation

    Gas Boiler Servicing / Repair

    Gas Central Heating Installation

    Gas Central Heating Servicing / Repair

    Gas Cooker Installation

    Gas Safety Checks - CP12

    Ground Source Heat Pump Installation - GSHP

    Ground Source Heat Pump Servicing / Repair - GSHP

    Smart Thermostats

  • Services

    5 services

    • Domestic Work
    • Commercial Work
    • Free Estimates
    • Cards Accepted
    • Insurance Work Undertaken


Customer reviews

Overall ratingin last 12 months

9.85Write a review
  • Workmanship9.90 out of 10
  • Tidiness10 out of 10
  • Reliability9.50 out of 10
  • Courtesy10 out of 10
Write a review

24 Total Reviews

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

  • Mitsubishi Ecodan service

    10Verified Review

    Great service, good price, very good engineer. Impressed!

    Location: SW9
  • Boiler Leak Fix


    Really polite guy. Very honest in terms of repair and gave advise on future problems on what to do. Would recommend others to use their service and will return to them in future when necessary.

    Location: SE27
  • Repairing underfloor heating system

    10Verified Review

    The company responded very quickly, and both engineers were punctual and successfully did the job. Very courteous and friendly service

    Location: SE17
  • New boiler

    10Verified Review

    I had a new boiler fitted and pipes replaced for underfloor heating. Work was done to a high standard and agreed price.

    Location: SE5
  • Tap fitting

    10Verified Review

    The team reached out very promptly and was able to get an engineer out in the afternoon. They carried out the job quickly, were very polite and we had great communication with the rest of the team.

    Location: SW16
  • Plumbing - bathroom, kitchen, heating

    10Verified Review

    I have been in construction for many years an have used contractors who start well but fail to keep to a good standard but Iavor and his team have never failed or fallen short of perfection These guys are a pleasure to work with

    Location: NW3

Company profile

  • OwnerMr Iavor Kolev
  • Member Since2023
  • Public Liability InsuranceSelf-Certified
  • AccreditationsChecked
  • AddressChecked
  • IdentityChecked
  • Checkatrade T&C'sSigned
  • VATNo
  • Company typeLtd Company

Company info

South West London Design & Build Ltd has been delivering exceptional services for over 18 years.

As a well-established heating, plumbing, and drainage company, we have successfully undertaken a wide range of projects in both domestic and commercial settings.

Key highlights of our services include:

  • Diverse Expertise: We specialize in heating, plumbing, and drainage services, catering to the unique needs of our clients in various sectors.
  • Gas Safe Register Certification: With over 12 years of experience on the Gas Safe Register, we prioritize safety and adhere to industry standards.
  • Air Source Heat Pump Installation: Our company is certified to fit air source heat pumps, contributing to environmentally friendly and energy-efficient solutions.
  • Project Experience: Our portfolio includes successful installations and planned/reactive maintenance in high-end residential and commercial properties.

Please feel welcome to visit our website:

SW Design & Build - Plumbing and heating services (<>

Thank you!

Contact details

Accreditations and awards