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Expertise & Advice

We help homeowners across Yorkshire improve their homes.

Local Independent Service

Surveyors from THIAS independently survey your home.

Customer Service

Our contractors are vetted to ensure high quality and customer care standards.

Full Support Service

Friendly help and advice from experienced professionals.

Retro-fit

Insulating your home the smart way!

With rising energy costs guaranteed over the next 5-10 years, there has never been a better time to make your home warmer and reduce your
fuel bills.


With ECO funding and other home insulation incentives available to go green,
now is the ideal time to undertake a top to bottom review of your home.

We have many years' experience with specialist systems for older homes and hard to treat properties, including: EWI, internal and external wall insulation systems; cavity wall insulation for stone houses; and loft insulation for old attic rooms.

We give practical help and advice on saving money on rising energy costs and how to improve the comfort and energy efficiency of your home.


Our services are designed to create 'warmer, fresher and healthier homes'

Solar PV System
A rated energy saving windows
External wall insulation
Energy saving high performance door
Warm roof system for the slope of a roof
Loft floor insulation
Internal wall insulation
Under floor insulation
Cavity wall insulation
H


Home energy survey & report

Making your home more energy efficient begins with the right advice: Our home energy survey & technical report; and home master-plan service, looks at practical ways of reducing your fuel bills. We will carry out a thorough assessment of your home, discuss our findings with you and send you a report with guidance and helpful advice on how to up-grade your home.

Planning a new project, and want to make
your home more energy efficient?

View the following video guide for more information:

THIAS Home Energy Master Plan>>


Save energy, save money!

We will ensure you obtain value for money, and the right insulation system and service for your home. We work closely with fully vetted and approved local contractors and we operate our own quality assurance scheme called Quality Mark. 


Project management

We can manage your renovation or refurbishment project to include effective retro-fit insulation, we provide a bespoke service, and specialise in older period and traditional properties and have extensive experience in this sector.

Improving energy efficiency gives your home a higher energy rating - find out why this matters.

We work with local reputable contractors who are part of appropriate guarantee schemes, giving an independently backed 25 year warranty on cavity wall insulation or EWI projects.


  • Since 1993, The Home Improvement Advisory Service has helped thousands of householders / homeowners across Yorkshire improve their homes.
  • We have gained the experience and knowledge required on many retro-fit and renovation projects, enabling us to help you improve the energy rating and efficiency of your home in a cost effective way.
Find out how we can help you retro-fit your home:
Tel: 0845 603 9978 | Email: enquiries@thias.co.uk

Home insulation surveys and reports throughout Leeds, Harrogate and York - including all West Yorkshire and North Yorkshire. 

The Home Improvement Advisory Service (UK) Ltd. Unit 10 Langwith Mews, Collingham, Leeds, LS22 5JS. Tel 0845 603 9978.

Registered in England & Wales: 2862129 VAT Number: 613 4395 52

All material copyright © The Home Improvement Advisory Service (UK) Ltd 2014