What to know about laying turf on existing grass

Laying Turf | Posted on March 6, 2019 at 5:05 pm by

What to know about laying turf on existing grass

Ask the internet “Can I lay turf on existing grass?” and the answer is generally a resounding no – but of course it’s more complex than that, so here’s what to know about laying turf on existing grass for the best results.


Why not to lay turf over old grass

First of all, a few of the reasons why NOT to lay turf over old grass. These include:

Ultimately it comes down to two main reasons not to lay turf over an old lawn: it gives you less chance to fix existing problems, and it makes it less likely that the new turf will successfully lay down roots.


Reasons to lay turf on old grass

If you’re reading this article, you’re probably already thinking about reasons to lay turf on old grass, and there are a few different arguments for why you might choose to do so:

These fall into three general categories: faster, easier and cheaper. If your garden makeover is up against it on any one of the three, then it might be enough to persuade you to lay turf on top of existing grass.


How best to lay turf over grass

If you decide you want to go ahead, it’s important to know how best to lay turf over grass to give it the best chance to put down roots, grow new green grass and avoid subsidence and weeds over time.

The best chance of success is if the existing grass is very sparse – and in any case, you should prepare the soil as well as possible. Take look at our steps to prepare for laying new turf. This is a guide for laying turf on topsoil, however you can appropriate some of these steps to increase that chances of your turf taking root over old grass.

Some of the main steps to follow include:


Aftercare for turf laid over grass

If you can remove the old grass at all – even just the top layer and then thoroughly rotovate the soil beneath – this will help. Follow good turf aftercare guidelines to keep your new lawn well fed and watered, and avoid heavy traffic to reduce damage as much as possible.

Any old grass you remove can be stacked in an unused corner of the garden or at the back of a shrubbery, where it will rot down to create a natural fertiliser – which you can then use to feed your new turf lawn, so none of those nutrients are lost.


If you are unsure what to do, get in touch with the team at Carbutts Turf, one of us will be happy to help in any way we can. We also provide a lawn laying service and can professionally install a brand new lawn for you.