Tim is an expert in sustainable building methods and energy efficiency in residential homes.
Green roofs look great and provide additional benefits for your home when specified correctly. Our experts look at the practicalities of planting your rooftop and how to make sure it thrives
Internal wall insulation needs to be carefully considered before installation, but it could help you to make big savings on your heating bills. Here’s what you need to know
Passivhaus standard builds are high on the agenda for many of the UK’s self builders, but what is Passivhaus and is it worth the added expense? Our experts explain all
Ground source heat pumps offer an efficient and renewable way to heat your home. Discover whether they’re the right fit for you with our ultimate guide
How much does a ground source heat pump cost? Find out the average expenditure on systems and installation with this expert guide
Underfloor heating is a popular choice with extenders and self builders. Here’s what you need to consider before choosing it for your home
Rainwater harvesting is fast becoming a popular eco-friendly choice with self-builders and renovators. Here’s where to start
A biomass boiler offers a great renewable and sustainable heat solution but it comes at a price. We bring you the lowdown
Heat pumps require specialist installation and expertise to get right — this introductory guide explains what you need to know
Is retrofit underfloor heating a good choice for a renovation project? Energy-efficiency expert Tim Pullen looks at the pros and cons of this popular option
Underfloor heating installation could be handled by a competent DIYer – simply follow this step-by-step guide
In the right setting, and installed by the right professional, spray foam insulation can be a good choice
The technology for heating controls in our homes is advancing rapidly, says energy efficiency expert Tim Pullen. Discover what options are available and how they will impact your bills
If you’re not on gas, choosing a new heating system is complicated. Tim Pullen analyses the costs, paybacks and how the different options stack up
Many rural plots and houses in need of work are located away from the main sewers. Luckily, there are several off-mains drainage options to choose from
It’s a key ingredient in creating an energy-efficient home with low heat demand, but what exactly does ‘airtightness’ mean in practice? Step in eco expert Tim Pullen to explain, and to provide his tips for achieving an airtight home
In line with most other things in heating, the options for storing hot water are huge. Tim Pullen explains the choices, and how to find the right one for you
Limecrete floors may well be the right option for an old building, but before you go ahead there’s a few things you need to know, says sustainable building expert Tim Pullen
When it comes to insulating floors, it can be tricky to know what kind of insulation you need, especially if you are tackling a renovation project
Is it possible to run a house entirely on solar power? Energy expert Tim Pullen visits three new homes which are trailblazing their way to low energy bills
Domestic wind turbines have suffered some bad publicity in recent years. But with the right conditions – and the right size turbine – they may still be a useful way to generate your own green energy, says Tim Pullen
Sustainability expert Tim Pullen explains the pros, cons and costs — and why a MVHR system is essential to an airtight home
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