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Insulation upgrade kit for use with Aga range cookers


This is everything you need to give your Aga range cooker and under hob insulation a top up and renewal. It's approx 50 litres for a two & three oven range cooker and roughly 70 litres for a four & five oven of vermiculite to top up the loose layer along with a pre-cut section of advanced mineral wool insulation to replace your old 'top blanket'.

The kit will fit almost any traditional cooker (gas, oil or 13amp electric) but those with full width rear shrouds are more complex; send us a pic first if you have these. As a rule of thumb the older your cooker the more confident at DIY you'll need to be to do this job. Post 74 'Deluxe' cookers are easy, pre-74 cookers can present the odd issue and 'Standards' can be a challenge. Send us a pic of your cooker before ordering if you are not sure about anything! Not suitable for 30 amp range cookers.

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Drawing of Matthew from Blake & Bull - our range cooker expert "Improving your cookers efficiency is about stopping heat leaving from places it shouldn't! Big air gaps under the hob mean heat can escape sideways. This isn't a 5 minute job but is doable with patience and a little help on the phone from us!" Matthew{meet our friendly team}

Delivery & Returns

Blake & Bull Aga delivery graphicStandard UK delivery takes 3-4 days. Orders over £50 are free, under £50 we charge £3.95 and under £10 we charge £2.95.

For next-day delivery to the UK at a cost of £7.95 order before 2pm Mon-Friday. For Saturday delivery at a cost of £12.95 order before 2pm Friday. 

Outside the mainland UK? We deliver worldwide! Shipping will be calculated at checkout, if not we'll get in touch with a quote after your order is received!

Easy, no quibble returnsNeed to return something? You have 365 days (yes really!) to return some or all of your order to us for any reason at all for a full refund as long as it is unused and in resalable condition! Drop us a line to and we'll sort it for you.

Find out more about delivery and returns.