"1 Qualifying tenants to have rights of first refusal on disposals by landlord (1) A landlord shall not make a relevant disposal affecting any premises to which at the time of the disposal this Part applies unless— (a) he has in accordance with section 5 previously served a notice under that section with respect to the disposal on the qualifying tenants of the flats contained in those premises (being a notice by virtue of which rights of first refusal are conferred on those tenants); and (b) the disposal is made in accordance with the requirements of sections 6 to 10. (2) Subject to subsections (3) and (4), this part applies to premises if— (a) they consist of the whole or part of a building; and (b) they contain two or more flats held by qualifying tenants; and (c) the number of flats held by such tenants exceeds 50 per cent of the total number of flats contained in the premises. (3) This Part does not apply to premises falling within subsection (2) if— (a) any part or parts of the premises is or are occupied or intended to be occupied otherwise than for residential purposes; and (b) the internal floor area of that part or those parts (taken together) exceeds 50 per cent of the internal floor area of the premises (taken as a whole); and for the purposes of this subsection the internal floor area of any common parts shall be disregarded. (4) …….. (5) The Secretary of State may by order substitute for the percentage for the time being specified in subsection (3)(b) such other percentage as is specified in the order."
"4 Relevant disposals (1) In this Part references to a relevant disposal affecting any premises to which this Part applies are references to the disposal by the landlord of any estate or interest (whether legal or equitable) in any such premises, including the disposal of any such estate or interest in any common parts of any such premises but excluding - (a) the grant of any tenancy under which the demised premises consist of a single flat (whether with or without any appurtenant premises); and (b) any of the disposals falling within subsection (2). .... (4) In this section "appurtenant premises", in relation to any flat, means any yard, garden, outhouse or appurtenance (not being a common part of the building containing the flat) which belongs to, or is usually enjoyed with, the flat."
"ALL THAT Garage Numbered [ ] situate within the curtilage of the Building shown on the plan……"
"(1) the space above the roof together with the fittings screwed or fixed thereto or to the roof or other roof structures ("the roof") [I interpose here to remark that the Lease itself refers in its body to the Roof with an upper-case 'R': This is clearly a reference to the roof as just defined.] (2) The lightwell shown hatched black on the plan annexed hereto which for this purpose shall include the lightwell through the whole height of the building including the space above and the earth beneath ("the Lightwell") [This is the Lightwell as I have already defined it.] (3) The basement room or rooms shown edged red on the said plan ("the Basement Rooms"). (4) The rear garden shown hatched black on the plan within the red boundary."
"but for the avoidance of doubt not the Roof itself or mansard roof or anything below it or them or any structure now erected thereon or the parapet walls thereof or any fixture tank of [ sic ] equipment fixed to or above the Roof or any fixture pipework tank work pipe cabling or equipment of any nature whatsoever housed therein or thereon or fixed to or above the Roof…."
"All the space above the roof including the space from roof level occupied by the mansard roof and above together with any fixtures and fitting in or around the roof which shall form part of any structure placed hereafter on the roof"