Natural England is hoping that ecological surveys will be completed in the Spring.
It will then look at whether the newts can be protected, where they are, or whether they have to be found a new home.
This means that building work is unlikely to start until at least the middle of the year.
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39-year-old Julie Parkin, from Kirkwall Close in Castletown, was found with fatal injuries in the early hours of Tuesday morning.
Alan Shearer is set to tee it up in the Hero Pro-Am at the British Masters, taking place in Newcastle.
TV comic Sarah Millican has confirmed three Teesside dates for next year.