Boiler Installation

Gas-safe registered boiler installation in south london

With precision and expertise, we select and install efficient heating systems tailored to your needs. Safety is paramount, and we ensure every installation adheres to industry standards. Our comprehensive service guarantees optimal performance, energy efficiency, and long-term reliability. Whether it’s a residential upgrade or a commercial installation, we pride ourselves on delivering top-tier solutions, ensuring warmth and comfort for homes and businesses across South London.

Boiler servicing engineer in South London
New Gas Boiler Installation in South London

Frequently Asked Questions

New Boiler Installation in South London

We can install the three main types of boiler:

  • Combination or Combi Boiler – Produces hot water on demand
  • Regular Boiler – Produces hot water that is stored for use in a hot water tank
  • System Boiler –  Similar to a Regular Boiler but requires less space as a pressurised system means you do not need an additional feed and expansion tank in the loft

Boilers can also differ within the above categories with regard to the fuel that powers them (gas, oil or LPG) and to whether they are condensing type (more efficient).

We always do our utmost to minimise the disruption during the boiler installation process and can help with temporary heating arrangements in those instances when an installation spans more than one day. Hot water will normally be off for a least one day depending on the type of boiler installation. It may be that you have an electric shower or immersion heater which would minimise the time without hot water.

It is usually possible for you to use your other gas and electrical appliances as normal during a boiler installation except for the final gas and electrical connections when there is a short period of interruption.

A typical boiler replacement takes a day and a system conversion upgrade 2 – 3 days.  All our installations are carried out by our experienced Gas Safe registered engineers and all electrical work is carried out by our NICEIC registered electricians.

At the start of your installation your engineer will talk you through the planned works and discuss any concerns you may have. We will put down dust sheets and take every care to ensure your home is safe and well looked after.

Having completed the installation we will commission, test and certify your new installation. We will also carefully talk you through your new boiler’s controls and how to operate it in the most efficient way.  Prior to leaving we will clear-up, vacuum and leave your home as we found it. We will also leave you with our comprehensive Customer Care Pack that includes operating instructions for your boiler.

Boiler & Heating Services


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Areas Covered

AStar Plumbing and Heating provide a full range of central heating and boiler services to properties in the South London area including:

We are happy to discuss your requirements in relation to any domestic central heating or gas engineering works: