Price to Fit Flooring in a Loft For Extra Storage

The loft space above many homes is the perfect place to store items, it’s out of the way but easily reachable with a loft ladder.

Unfortunately, many lofts are stuffed with itchy insulation and plasterboard ceilings that could collapse or crack under the weight of items stored up there.

The solution is to have the loft boarded out with timber panels.

Below you’ll find our price guide for loft boarding. We can also point you in the right direction so you can get a fixed quote for this project.

We last updated the prices on this page on

How Difficult is it to Board Out a Loft?

Lofts in the UK aren’t designed to store possessions and the timber joists in many homes aren’t strong enough to hold the extra weight without sagging.

Lofts can also experience condensation in the winter which can potentially damage any items you store there.

The key is to secure additional supports to prevent gutter sag and potentially some loft vents to create an airflow that will remove any condensation.

Three Options to Consider

If you want to board out your loft,  you have three options to consider:

1) Board out the loft with chipboard fixed directly above existing ceiling joists.

Chipboard is cheap and easy to install, hence why this option is the cheapest but it has its drawbacks. Without fitting some additional timber supports, the ceiling below can sag.

We only recommend this option if you want to board out a small section of the loft rather than all of it.

2) Fix timbers onto the joists to raise the height of the loft floor, lay additional insulation between joists then board out

This option is the most common; additional timbers are fixed onto the joists so there is extra room for more insulation between each joist.

As insulation is so cheap and easy to lay, an extra 50mm or so is installed before chipboard is fitted above it.

3) Lay specially designed insulation boards above the existing joists, then board out on top of boards

Rigid insulation boards can be laid over the existing joists, the decking is then placed on top of the insulation boards. This option offers the best thermal protection but is also the most expensive.

How Not to Board Out Your Loft

Laying timber such as chipboard or ply onto the existing timber joints may compress the insulation.

Compressing the insulation will make it considerably less effective at keeping the home warm.

It is also important that the decking boards are not installed too far into the eaves as this may block ventilation from eaves vents. This can result in loft condensation which can damage any items you store up there.

The Cost of the Materials

We’ve done some research into how much the materials cost to purchase.

The figures below were last updated in 2018:

18mm chipboard decking costs around £10 per sheet and measures 2400m x 600mm.

Rockwool loft insulation is very cheap and it’s certainly worth considering if your existing insulation is less than 150mm thick – >See example on this website

Rigid insulation boards are more expensive, don’t forget you will still need timber decking on top of the boards. See Amazon website

Cost to Board Out a Loft

In 2016 and again in 2018, we contacted dozens of firms and asked them to provide us with written quotes to board out the loft in a typical semi-detached house.

We contacted a mixture of handy-man type businesses and also some specialist firms.

The table below shows the average price to board out a loft with 18mm chipboard. In total, 5.5 square metres of boards will be installed with no additional insulation.

LocationMedium Sized BusinessLarger Business (5+ employees)
Need a Custom Price? >Compare Up To 3 Personlised Quotes Here
London Area£225.00£300.00
South, SW and Midlands£200.00£250.00
Outer Region and North£175.00£225.00

The second price we sourced was to board out the loft in a typical semi-detached house, but this time with 40 square metres of flooring.

The joists will be reinforced with additional timbers and extra loft installation will be laid. We were told that this project will take two workers around a day.

LocationMedium Sized BusinessLarger Business (5+ employees)
Need a Custom Price? >Compare Up To 3 Personlised Quotes Here
London Area£1100.00£1250.00
South, SW and Midlands£1000.00£1100.00
Outer Region and North£900.00£950.00

Solutions To Solve Loft Condensation

Loft condensation is common and normal in the winter, moisture from the home rises into the loft where it then comes into contact with a cold surface and condensates into water droplets.

To prevent condensation from wrecking your possessions, you should consider installing loft vents such a these.

Get a Fixed Quote

We can help you get a fixed written price for loft boarding.

All you need to do is hit the button below and fill out the form online with some details and specifics about your loft.

It only takes a few minutes to start the process:

  • Read reviews from previous customers
  • Recieve your quote in a timely manner
  • Leave feedback for others to read when the project is complete

Click Here to Get Your Free Roofing Quote

Not ready to get quotes? See all of our cost guides here

3 Responses to “Price to Fit Flooring in a Loft For Extra Storage”

  1. StuartDecember 29, 2016 at 6:59 pm #

    Looking for a quote for boarding out loft space approx 6m X 6m also a pull down loft ladder in the altrincham area

  2. Mrs m HaresJune 24, 2019 at 9:33 am #

    Hi l. Need my loft boarded up its a four bed house can you give me avquote ?

  3. Mrs m haresMrgmail.comJune 24, 2019 at 9:35 am #

    I need my four bed house to have the loft boarded up

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