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Johnson & Starley warm air replaced by Worcester Bosch boiler and EasyControl

This case study begins in a terraced house in Tunbridge Wells, Kent. A kitchen renewal has a short while ago necessitated the warm air heater being relocated into the garage. Our customer had some concerns over the way this part of the work had been carried out, and it turned out they were right to be worried. Generally speaking, moving a warm air unit is not easy… there’s ductwork deep under the floors, which are usually concrete, and most older warm air units have a vertical ‘open’ flue, akin to a fireplace. So moving the box itself isn’t difficult, it […]


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Underwater listed building, novel oil flue system

Here we have an unusual case study. It is a listed building in a rural part of Kent, UK, on top of a hilly area. It has a large cellar covering most of the floor area of the house. In very heavy rainfall in 2019, the road (some considerable distance from the house) became flooded, and due to some collapsed drainage on the highway, a very large amount of water gathered in a pond. At some point during the night, the water found its way into a cellar light, smashed the window, and quickly filled the entire cellar, all the […]


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ATAG Opentherm Evohome Sevenoaks

Today we are in Sevenoaks, Kent, in a road where we now have installed at least three boilers, and three Evohome multi zone systems too! Our customer knew about heating systems, and chose an ATAG i series boiler. He wanted a unit that was of high quality manufacture, and one that could use Opentherm controls, so that the house could modulate the boiler intelligently. As the local ATAG and Honeywell Evohome specialists, we were asked to advise and quote for the job. A leaking Ideal condensing boiler was scrapped, and the plan was to fit the ATAG in the same […]


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Barn conversion near Tonbridge, Kent

Here we find ourselves down a rural unmarked lane in Kent, the site of a large barn conversion. It comprises a two storey hallway, and many original features. Much of the house is already underfloor heated, using an L&K system with around 14 separately controlled zones. What makes this system unusual is the various heat sources used to create the heating and hot water. There’s two fuel burning stoves, some solar thermal on the rooftop, and a Rayburn solid fuel stove. This was all installed by the present owners, who were almost singlehandedly responsible for the design and execution around […]


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Keston boiler in cellar removed, heat store in basement, accumulator, Evohome….

This is a house in a fashionable area of SE London.  Like may Victorian houses, it’s a lot bigger on the inside than first appears from the outside. A big driveway in London is always a bonus. We were asked to provide a quotation to replace a typically troublesome Keston C55 boiler (55Kw) in the basement.  Our customer had experienced numerous breakdowns ever since it was installed in 2004, in fact, I recall them saying that it had never survived a winter without a repair visit. If you have a large Keston, you probably know the story only too well. […]


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LPG boiler and an Evohome internet control system

We’re in a very rural part of Horsham, in Sussex, for this case study. We’re pleased to say that this is the third new boiler installation job we’ve carried out for this family in two years.  Although only around 2% of our installation work features here in our case studies (because one of our boiler renewals looks much like the next, and it takes so long writing it all up), both jobs can be seen on our blog because they were unusual in different respects. We’re replacing an LPG fired (Liquid Petroleum Gas; in this case, Propane) combi boiler in […]


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Complex house heating system of the future (in 1998) gets updated

For this case study, we are in Ealing, West London. Our customer rang us to say he had inadvertently bought a large house with a woefully complex heating system around 8 years ago.  The first time he viewed the house, it was perfect – but they never went into the garage.  On the second visit, he popped his head into the garage area, and found it completely full of commercial plant, and a ambient temperature of over 30C. Since then, many a central heating specialist has escaped having seen the garage;  apparently they are brimming with confidence until the door […]


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Listed Building in Kent gets a new boiler and 12 zone iPhone control

The brief was to replace an old Potterton boiler in the basement with a new unit, and make the system more efficient.  Spread over 3 floors and a cellar, this building is Grade 2 listed, and therefore represents a challenge when alterations to building services are required. We looked into replacing the boiler in the cellar with a modern condensing unit, and relining the chimney.  However, there were adjacent chimney pots that were in use, and also there were plans for the cellar which meant that our customer would prefer the boiler to be resited to an otherwise unused store […]


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End of terrace in Sevenoaks with water flow issues

We were called to an interesting refurbishment in Ide Hill, near Sevenoaks, Kent.   The house was in a very rural location at the end of a terrace of four victorian cottages. We couldn’t take any decent photos of the house at the time of the job because it was covered in scaffolding! The property was being updated and renovated;  as space was tight the customer wanted to remove water tanks and the hot water cylinder from the house and at the same time replace the old oil boiler in a shed on the other side of the entrance pathway. […]


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Large old listed country house – 155Kw boiler system renewal

We’ve just replaced the boiler plant in a very large country residence in Sussex (July 2013). The old oil fired Worcester Bosch system heated the house, which was mainly comprised of 60 yr old radiators and large bore steel pipe, as an entire single entity without any zone control.  The oil bill (no mains gas here) was £12K per annum. Our customer looked at a number of options, but liked our approach best.  Our unique proposal was to improve the efficiency of the boiler room by using weather compensation and load sharing – reduce consumption of oil and increase comfort, […]


Customer Testimonials

Excellent Work

Excellent work , the workers were very efficient, considerate and tidy. They worked with the least disruption possible for an elderly lady. Any unexpected problem was dealt with safely and professionally. The finished heating is to a high standard. K.T. Kent

Jennie 05/05/2017