There are exemptions from most low-flying rules when landing or taking off in accordance with normal aviation practice.
The exception is the 1000' rule over built up areas (the 1500' as it used to be) - there is no exemption from this except at Government or licensed aerodromes. So if your approach and depature can be carried out without passing overhead a built up area, it should be no problem.
All the discussions about whether a particular type would or would not make it in and out of the field are meaningless without knowing how big the field is. Certainly my old school playing fields would have been big enough - several rugby pitches, back to back, are bigger than many grass runways once the posts are removed.
FFF
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