“that (subject to (i) completion of the development and the laying out of the Estate by the Builders and (ii) contribution and payment as hereinbefore 5 provided in Clause 2(i) hereof) the Lessors will at all times during the said term keep the private footpaths roads parking areas forecourts and paved areas belonging to or forming part of the Estate and the said Adjoining Estate and the verges and kerbs in good condition properly lighted and repaired until the same or any part of them are taken over by the Highway Authority and maintained at the public expense and will keep the amenity areas and the adjoining amenity areas in good condition and the fences and retaining walls boundary walls and entrance gates enclosing or contained within the Estate and the said Adjoining Estate properly repaired and also keep the sewers drains pipes wires cables and conduits serving the demised premises and other premises in good condition and repair.”
“That being so, it seems to me that we are driven to ask in this particular case, and in every case of this kind, Is what has happened of such a nature that it can fairly be said that the character of the subject-matter of the demise, or part of the demise, in question had been changed? Is it something which goes to the whole, or substantially the whole, or is it simply an injury to a portion, a subsidiary portion, to use Buckley LJ’s phrase, of the demised property? ......” “It seems to me that we should be narrowing in a most dangerous way the limit and extent of these covenants if we did not hold that the defendants were liable under covenants framed as these are to make good the cost of repairing this wall in the only sense in which it can be repaired, namely by rebuilding it according to the requirements of the County Council.”