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  • With thanks to the Smiths of Perth for their great feedback on our recent work for them... "I wish to thank you...
  • Plan for the winter ahead! Check your radiators – make sure that you bleed your radiators in your property...
  • Plan for the winter ahead... Why not fit a programmable room thermostat to operate the system effectively in cold...
  • Thinking of changing you boiler before the winter ahead??? As a Worcester Bosch Accredited Installer we can offer...
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  Chas Stewart Plumbing & Heating Engineers

Founded over 30 years ago, Chas Stewart Plumbing & Heating Engineers is a local, well established plumbing and heating engineers with the Head Office located in central Perth. Founded in 1978, our engineers operate throughout the whole of Perthshire, the Central Belt and all areas of Fife.

We are Gas Safe registered, OFTEC registered and SNIPEF registered in addition to being Gold Accredited Worcester Bosch partners. We are qualified to work with Gas, Oil and LPG and also commercial catering equipment.

Our services including general plumbing work and emergency repairs, bathroom installation, refurbishment, boiler installation, maintenance and repair, landlords certificates, heating installation maintenance and repair.  We are also experienced in design and installation for new build properties and commercial repair and maintenance contracts.


We are a Worcester Bosch Gold Accredited Installer.

Commercial Gas Qualified

Are you a business that requires equipment installed, maintained or repaired? Is the equipment regularly serviced in line with regulations? We're qualified to do commercial gas work. If you're a restaurant, hotel, takeaway etc contact us...

Why Powerflush?

  • improve radiator performance & heat output
  • extend the life of the boiler
  • avoid costly repairs, breakdowns & call-out charges
  • validate the boiler warranty
  • reduce fuel bills & save money

Click here to have Powerflushing simply explained....or contact us!

Prepare for the winter ahead

At this time of year it’s always better to be plan ahead - rather be safe than sorry!  We’ve pulled together some key activities for you to bear in mind for over the winter season:

  • Regular servicing – employ a Gas Safe registered engineer (which we are!) to service your boiler at least once every 12 months. This should identify any potential faults which could lead to a system malfunction and leave you ‘out in the cold” indoors so-to-speak! Plus, many boiler manufacturers will only uphold a guarantee on the system if you have the boiler annually serviced by an appropriately qualified engineer
  • Insulate pipework – to avoid boiler malfunction, it’s advisable to insulate any pipework that’s exposed (even in loft space) and this includes condensate drain and cold/hot pipework
  • Fit a magnetic filter – a filter system will retain any debris and ferrous material that accumulates in your heating system over time. Sediment could have settled due to the heating side of the system not being in operation over the spring/summer months. A magnetic filter should be used to not only loosen sediment but effectively collect it as well. Currently, as we are a Worcester Bosch Gold Accredited Installer, we can offer up to a 10 year guarantee on certain Worcester boilers if fitted with certain additional Worcester Bosch components. This is an additional 8 years over a normal Worcester guarantee!
  • Check your radiators – make sure that you bleed your radiators in your property (especially those at the highest points of your system) and ensure that when the system is on, heat is being distributed evenly across the surface of the radiator. Fit a programmable room thermostat to operate the system effectively in cold weather, this will give a more substantial control that will react to temperature AND time rather than just time. If you’d like a quote then give us a call on 01738 627701
  • Monitor the pressure – sealed central heating systems should maintain the same pressure which is usually between 1-1.5 Bar. If you find that your system is experiencing a drop in pressure and you have to recharge the system then you have a leak somewhere. If there are no obvious signs of a leak then contact us to resolve the problem.
  Latest News  
  Our Guarantees  
24/09/15 Prepare for the Winter ahead...
It's always best to be prepared isn't it...
09/07/15 10 Year Guarantee Now Available!
As an Accredited Worcester Installer we can offer up to 10 year guarantees on selected boilers... read more...

The Chas Stewart hallmark of quality covers a wide range of domestic work and regular contracts with local and national housebuilders, housing associations, local authorities, public utilities and businesses large and small. Industrial unit developers also trust Chas Stewart to handle all their plumbing needs.

We commit to bringing you a superior quality of finish and excellent customer service and assure you of our best attention at all times.

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"I wish to thank you and your staff for the amazing work you did when you put in my shower - yourself, Gary, your apprentice Ben and the rest of your workers. Thank you all. I'm very glad it was yourselves that did the work for me. I can only say thank you all so much. The work was amazing..."

Susan & John Smith - Perth

"Thank you very much for the work that has been carried out.  I am more than pleased with the standard and the helpfulness of your staff".

Mrs. Fraser - Perth

"Just wanted to say thank you for the great service I got today. The guy in the office couldn't have been more helpful and the plumber who attended was really efficient, helpful and friendly (which is so nice given the number of grumpy people in the world). I would definitely use your service again and recommend you."

Susan Moran - Perth

"Many thanks for your prompt and efficient service"

Mr JK Gough, Newton of Pitcairns

"I wanted to write and thank you personally for kindly supporting our Opera Evening. It was a great success and raised over £8,000 for Alzheimer's Research"

Lady Cornwallis, Chair of Campaign Board, Perth College Development Trust

"...We are very happy with the work carried out and Charlie was very patient and courteous"


Linda Millar - Perth

"Your engineer came and fitted our new cooker. He was very patient, courteous and polite. We would use your company again and would happily recommend your company to friends and family".


Cameron Millar - Tulloch, Perth

"Charlie did an excellent job of servicing and repairing a fault in the boiler. In fact, our underfloor heating has never worked as efficiently in the 7 years since we have been in this house... excellent communication and service..."

Graeme Hunter - Murthly

"My wife and I feel I must write to you to commend two of your employees.  The professional approach of both Scott and Liam is to be commended. Their cheerful manner and hard work made the upheaval easy to bear. Please pass on our sincere thanks and gratitude to both".

Mr & Mrs Scade - Dunfermline

"Thank you for the the promptness and efficient way in which the work was carried out. If I require further work I will not hesitate to contact you".

Mr W Fraser - Strathconan

"A good job done!"

Mr Walker - Perth

"Your company responded immediately to my request to have new sink taps fitted.  When the problem turned into an Emergency, Norman attended within the hour to solve the problem.  Thank you all very much."

Mrs. Wilmanski - Alloa

"Thank you very much for carrying out this work so quickly and efficiently. We are very grateful for the way in which the work was brought forward, and for the kindness and helpfulness that we have received from the firm and its work force at all stages of the process of replacing our heating system"

Graham Galloway - Aberfeldy

"I'd like to thank everyone at Chas Stewart Plumbing for a job well done"

Donald Hamilton - Fife

"Quality of work carried out was excellent.  Would highly recommend".

Aqua Culture - Inverness
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