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Heating engineer working on the connections beneath an open wall-mounted boiler against a burgundy plaster wall.

Boiler installation · Fulham SW6

Boiler Installation in Fulham, SW6

The right boiler. The work around it done properly.

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ONE COORDINATED TEAMPlumbing · Heating · ElectricalFrom first fix to handover
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A replacement boiler should suit the home you have today — including the extra bathroom, the extended kitchen and the heating system already behind the walls.

PEP installs boilers across Fulham SW6, from straightforward combi replacements to conversions, relocations and installations with separate hot-water cylinders. We bring together appliance selection, system preparation, compatible controls and careful commissioning.

Every PEP boiler replacement includes a full-system PowerFlush, with the installation scope and applicable manufacturer protection explained in your quotation.

Gas Safe registered business · Vaillant and Viessmann installations · Full-system PowerFlush included

A complete scope, clearly explained

What is included in your boiler installation?

Installer using a press tool on a copper pipe fitting beneath a wall-mounted boiler.
Installation detailThe connections matter as much as the appliance.

A useful quotation explains more than which boiler will be fitted. It should identify the work needed to connect it properly to your home.

Our replacement scope brings together:

  • Technical assessment: heating demand, hot-water use, existing equipment and installation constraints.
  • Boiler specification: a suitable appliance and the connections, accessories and controls required.
  • System preparation: full-system PowerFlush cleaning, suitable magnetic protection, inhibitor and water-condition checks.
  • Installation: the agreed gas, heating, water, flue and condensate work.
  • Commissioning: operating and safety checks, appropriate system balancing and recorded results.
  • Handover: controls explained, commissioning documentation, relevant notification and registration of qualifying manufacturer protection.

Relocating the boiler, replacing a cylinder or upgrading existing pipework can change the scope. We identify these requirements before work starts, so you understand what is included and what remains in place.

Choose around the household

Combi, system or regular boiler: which suits your Fulham home?

The best choice depends on how your household uses heating and hot water, not simply the number of bedrooms.

Wall-mounted system boiler beside an unvented hot-water cylinder in a domestic plant room.
System boiler & stored hot waterSelect the complete arrangement.

System boilers with stored hot water

For a family home where several outlets may be used together, a system boiler with a correctly selected cylinder may be more suitable.

Cylinder capacity, recovery performance, available space and the water supply all matter. Where existing equipment is serviceable and compatible, replacing the boiler does not automatically mean replacing every other component.

Our guide to vented-to-unvented hot-water conversions explains the considerations when changing the stored-water arrangement.

Combi boilers for suitable flats and houses

A combi supplies heating and produces hot water on demand, without a separate hot-water cylinder. It can be a practical choice for a Fulham flat or smaller house where available space matters.

However, cupboard space is only part of the decision. We assess incoming water performance, the outlets you expect to use together and the appliance’s hot-water capacity.

A higher boiler rating cannot compensate for an inadequate incoming water supply. Nor does the output needed for a shower necessarily reflect the heat required to warm the property.

Regular boilers and retained systems

A modern regular, or heat-only, boiler can remain an appropriate option where the existing system arrangement suits the property.

We assess whether retaining it is sensible or whether a conversion offers a worthwhile improvement. The recommendation should follow the condition and requirements of the installation, rather than an assumption that every home needs a combi.

Define the work before it starts

A replacement, a conversion and a relocation are different jobs

Older copper hot-water cylinder with an insulating jacket and connected pipework in an airing cupboard.
Existing equipmentAssess what can stay, and what should change.

Replacing a boiler in its existing position

Keeping the same broad arrangement can limit disruption. Even so, the new appliance must suit the available space, connections, flue arrangement and service clearances.

We also check the condition of the heating circuit. A new boiler should not simply inherit unresolved circulation problems.

Converting an older system to a combi

Removing a cylinder and redundant tanks can release useful space. The conversion also changes how hot water is supplied and may require alterations to gas, water and heating pipework.

Before recommending it, we assess whether the proposed combi can support the household’s actual demand. Read more about conventional-to-combi boiler conversions.

Moving the boiler during a refurbishment

A kitchen extension or revised layout may make the existing position inconvenient.

The new location needs a workable flue route, condensate drainage, suitable services and access for future maintenance. These details are best agreed before cabinetry and finishes are finalised.

Where the project also involves bathrooms, kitchens or wider pipework changes, our plumbing installation service in Fulham can form part of the coordinated scope.

The home sets the brief

Planning around Fulham’s different homes

Heating engineer measuring the available installation space around an existing wall-mounted boiler.
Before specifyingMeasure the space. Understand the constraints.

Converted flats around Fulham Broadway and Parsons Green

In a converted property, the available installation space may be straightforward while access and pipework routes are not.

We establish which equipment serves your flat, where services run and whether proposed work involves shared areas. Freeholder or managing-agent requirements should be resolved before installation, particularly where the flue position or external appearance will change.

Extended houses in Munster Village and the Peterborough Estate

A heating system may have acquired extra radiators, another bathroom or an underfloor-heated extension over time.

That makes a replacement an opportunity to review the complete arrangement. We consider the changed demand, existing zones and controls before deciding whether the current boiler specification still makes sense.

Larger homes around Hurlingham and Bishops Park

Where several bathrooms and stored hot water are involved, boiler selection is only part of the design.

We review the cylinder, circulation, controls and service access together. A more powerful appliance is not a substitute for a properly coordinated installation.

Apartments around Sands End and Imperial Wharf

Not every apartment has an individual gas boiler. Some buildings use communal heating or heat interface units.

We confirm the arrangement before recommending replacement work and establish the boundaries between the private installation and building-managed services.

Prepare the circuit for a new boiler

Full-system PowerFlush: included with your replacement

Heating engineer operating a portable powerflushing pump connected to heating-system pipework.
System preparationClean, protect and check before handover.

A new boiler connects to the water circulating through the existing heating system. Sludge and debris elsewhere in that circuit can affect circulation and contaminate new equipment.

PEP includes a full-system PowerFlush with every boiler replacement, together with suitable magnetic protection, inhibitor and water-condition checks before handover.

The survey establishes the condition and extent of the circuit. Older components, vulnerable pipework and shared systems require particular care; any limitations affecting safe cleaning are explained before work proceeds.

Cleaning is not a substitute for repairing a failed valve, resolving a pipework restriction or correcting an unsuitable layout. We distinguish those problems so the installation addresses the cause, not just the visible symptom.

Learn more about our PowerFlush service in London.

More than a thermostat

Controls that work with the boiler

A smart thermostat and a properly integrated heating system are not necessarily the same thing.

We check how the selected controls communicate with the appliance, what equipment can be retained and how existing heating zones should operate. Suitable modulating or weather-compensating controls may form part of the specification, depending on the boiler and system.

Where radiators and underfloor heating share a heat source, the arrangement must account for their different operating requirements. Adding another thermostat alone does not resolve the hydraulic design.

Our guide to smart heating controls explains these options in more detail.

For projects extending beyond an appliance replacement, we also undertake central heating and plant-room installation.

From our project portfolio

Real heating installation work in Fulham

Our project gallery includes a completed heating and hot-water plant room serving a three-storey home in Fulham.

It provides a genuine example of PEP’s work where the installation extends beyond a single wall-mounted appliance.

That wider experience is also relevant to smaller replacements: understanding the system helps us identify which components can remain, which need attention and how the new boiler should operate with them.

You do not need a large plant-room project to work with PEP. We also install replacement boilers in flats and smaller houses.

View our heating and hot-water installations.

Completed PEP heating and hot-water plant room serving a three-storey home in Fulham, London.
Completed PEP project · FulhamHeating and hot water for a three-storey home.

The cost follows the scope

How much does boiler installation in Fulham cost?

The main distinction is between replacing a similar appliance in the same position and changing the system around it.

Your installation cost can be affected by:

  • Boiler model and the manufacturer-protection package.
  • Existing gas pipework and the proposed appliance’s requirements.
  • Flue position, route and access.
  • Condensate drainage.
  • Boiler relocation or cupboard alterations.
  • Cylinder replacement or removal.
  • Heating-system condition and necessary repairs.
  • Controls, zoning and connections to other heating equipment.

Access arrangements and building approvals can also influence the work.

PEP provides a written quotation following assessment. The aim is to make the installation scope clear enough to compare properly, including system preparation, agreed accessories, commissioning and registration.

A low headline price is difficult to evaluate if these elements are left unspecified.

Clear conditions, no blanket promises

Vaillant and Viessmann: protection matched to the installation

We install Vaillant and Viessmann boilers, selecting the appliance around the property rather than starting with a single default model.

Eligible Vaillant installations can carry manufacturer protection of up to 10 years, subject to the applicable model, installation package and registration requirements. Vaillant’s product conditions apply.

Selected Viessmann boilers offer 7, 10 or up to 12 years, depending on the model and registration or extension package. Some extensions involve an additional charge; your quotation identifies the cover included. Viessmann’s warranty conditions apply.

Manufacturer protection is not blanket cover for the entire heating system. Existing radiators, pipework and other equipment are not automatically included, and required annual servicing remains separate from the boiler guarantee.

Four coordinated stages

From first enquiry to a working system

Heating engineer checking a flue gas analyser connected to the sampling point above a closed boiler.
Commissioning & handoverCheck the operation. Record the results.

  1. Tell us what you have

    Send your postcode, current boiler details and photographs of the appliance and surrounding space. Include any cylinder and let us know whether this is a replacement, refurbishment or conversion.

  2. Agree the specification

    We assess the installation, explain suitable options and provide the scope in writing. Any necessary alterations and access arrangements are identified before booking the work.

  3. Plan the installation

    We agree the programme and explain the expected interruption to heating and hot water. Working areas are protected, the old appliance is removed and the agreed preparation and installation work is completed.

  4. Commission and hand over

    We carry out the relevant checks, record commissioning results and explain the controls. PEP arranges applicable notification and registers the qualifying manufacturer protection confirmed in your quotation.

Local service, connected expertise

Boiler installation across Fulham SW6

We cover Fulham Broadway, Walham Green, Parsons Green, Eel Brook Common, the Peterborough Estate, Munster Village, Fulham Cross, Bishops Park, Hurlingham, Sands End and Imperial Wharf.

For properties near postcode boundaries, send the full address so we can confirm coverage and the appropriate service.

For our wider area, see boiler installation and replacement across London.

Plumbing in FulhamFulham · SW6 ↗Boiler installation LondonOur wider boiler service ↗Heating & plant roomsCoordinated system design ↗PowerflushingSystem cleaning ↗Underfloor heatingWet and electric systems ↗Our heating projectsExplore PEP installations ↗

Before booking the work

Boiler installation FAQs

How long does a boiler replacement take?

Many straightforward replacements can be completed within one working day. Relocations, conversions and installations involving a cylinder or substantial pipework take longer. We explain the expected programme after assessment.

How quickly can you arrange installation?

Appointments may be available from as little as 48 hours, subject to the survey, appliance availability and our diary. This is potential appointment availability, not a promise that every installation will be completed within 48 hours.

Is a full PowerFlush included?

Yes. It forms part of PEP’s boiler replacement scope, alongside suitable magnetic protection, inhibitor and water-condition checks. We assess the circuit first and explain any condition or access limitations.

Can I keep my existing radiators and cylinder?

Often, provided their condition, capacity and compatibility are suitable. We identify necessary changes rather than assuming the entire system needs replacement.

Is a combi suitable for two bathrooms?

Possibly, but bathroom count alone is not enough. The decision depends on simultaneous use, incoming water performance and the appliance’s capacity. Stored hot water may be more appropriate for some households.

Can you fit a boiler inside my existing kitchen cupboard?

We check the appliance dimensions, required clearances, connections and service access. Some installations can retain the enclosure; others need alterations to remain practical and accessible.

Can you replace a boiler in a managed apartment building?

We first confirm whether the apartment has its own boiler. Where it does, the work must also accommodate relevant building-management requirements and any affected shared areas.

Does a fault mean I need a new boiler?

Not necessarily. A fault in a control, valve or another part of the system does not automatically justify replacing the appliance. The cause should be established before choosing between repair and replacement.

Make a considered start

Let’s plan your boiler installation properly

Tell us what is changing in your Fulham home — an unreliable boiler, a new bathroom, a kitchen refurbishment or a complete heating upgrade.

We will help establish the appropriate scope and explain the next step.

Send your SW6 postcode, current boiler details and a few photographs to start the conversation.

Request a boiler installation quotationCall PEP: 07825 268 434