Cavity wall insulation

[lambert.john]

How do I go about choosing an installer of cavity wall insulation

[buildersmate]

You could start by perusing the article in the D Telegraph, then looking at the Energy Saving Trust weebsite. This organisation is not a commercial operator so has no axe to grind.
http://www.telegraph.co.uk/property/propertyad vice/4863953/Property-advice-cavity-wall-insul ation.html
http://www.energysavingtrust.org.uk/

[chazza]

I went onto the energy saving website, got some contacts of reputable ones, got them to price the job and went with the cheapest