New lawn not looking well - need help to rescue

[momo2007]

Hi all,
Need some advice how we can hopefully save our new lawn that was laid by a company on a bed of top soil and fertilizer in end of September. As advised we watered it every day apart from when it rained for 4 weeks. Lawn looked great, grass grew a lot. Then we mowed lawn perhaps too much.

Now, as pics show we have a lot of flat brown patches where turn edges are visible, which I think the grass is dead. The turf is still liftable and their is hardly any white roots to see.
Most of the brown patches were probably caused by me walking around (after 4 weeks of using wood planks to water lawn)which I don't know how you would avoid and also probably by all the leaves that fell and were not removed early enough.

Any suggestions on how to recover the lawn? Not sure why it still has not rooted? Should I start spreading lawn fertilizer now in coming January? Or seed all the brown flat patches?

https://ibb.co/X4fzx1k

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Advice appreciated.
Mo

 

[momo2007]

Thanks for the suggestions.

The Mrs will not be very happy to hear this as we spent quite a bit getting it laid by a turfing company instead of going for artificial turf!

Not sure about leather jacket problem, I did apply these to get rid of snails this spring https://www.nematodesdirect.co.uk/12-leatherjacket-killer-nematodes


The ground before the turf was laid, wasn't in a great condition, the builders had compacted a lot of the extension build rubble into it. I cleared bags of soil rubble and lightly rotated the soil. Perhaps it still to hard for the grass to penetrate?

The soil is dark black and loose but mixed heavily with sand and rubble.

The garden is west facing with a large pear tree and the turf we got was pro shade.

Would removing the turf ( I assume most can just be peeled back easily) be an alternative and start again with a raised soil up to level of paving be an alternative?

 

[momo2007]

Totally agree.

Does having a hardish rubble infested base soil stop the grass ever rooting? The section with the pallets in the image (L shaped garden) has remained the "best" being away from the tree and where the soil was well rotated and has minimal rubble compacted. When I mowed the lawn, it cut the grass very unevenly, high and low cuts which made the it look even worse then just leaving it uncut. Then the leaves started to shed from the tree and that's when it started to go downhill!