Construction of an L-shaped dormer extension at second-floor level over the existing rear roof planes, to provide additional residential accommodation. The works include raising the roof ridge by 330mm. Installation of Velux Cabrio Balcony window and rooflight to front roof slope.

Alterations to a roof to create a loft conversion using a rear 'L' shaped dormer roof extension, extending over part of the rear outrigger, plus two roof lights to the front slope, including extending the front slope by 39cm to increase the headroom, to provide additional residential accommodation.

Mansard roof extension providing additional residential accommodation with retained roof terrace with new glazed balustrade to the rear.

Alterations to a 'butterfly" roof to create a loft conversion using a rear mansard extension, including the formation of a front slope with two roof windows, to provide additional residential accommodation.

Construction of a rear 'L' shaped dormer extension. extending less than 50% of the outrigger depth, plus two roof lights to the front slope, to provide additional residential accommodation

Roof extension to provide additional residential accommodation.

Construction of a rear dormer extension and raised roof ridge at 39.5cm, extension over the outrigger and two rooflights on the front roof slope. to provide additional residential accommodation.

Non-material amendment to planning permission 20/AP/1585 (Demolition and rebuilding of existing single-storey residential annex with additional first floor extension, erection of 2-storey side extension with accommodation at roof level served by front and rear dormer windows in place of existing garage, and provision of new screening on roof terrace facing school.) Changes proposed is to regularise approved boundary wall alignment by 200mm (B7 on plan) projection towards the school and boundary wall set back from tree (B1 on plan) by 150mm.

Details of Condition 1 (Landscaping details), as required by planning permission 15/AP/2511 (Variation of condition 2 (approved plans) of planning permission 11/AP/3797 (granted on 13 March 2012) for the refurbishment and recladding of the tower and podium buildings, erection of six additional storeys to the tower for residential use and change of use of floors 11 to 30 of the tower from offices to residential, erection of a series of extensions and additions for office use and creation of retail space, pool and gym on the ground floor, and formation of a new pedestrian route linking Stamford Street to Upper Ground. The amendments consist of: i. alteration and enlargement of the Stamford Street offices ii. alteration and enlargement of the tower office entrance on Hatfields; iii. introduction of new internal accommodation stair to tower; iv. extension of retail units 4 (fronting Hatfields) and 7 (within new pedestrian route); v. subdivision of retail unit 5 (within new pedestrian route); vi. revised design and layout for the 7th floor Stamford Street office roof terrace.)

Demolition and rebuilding of existing single-storey residential annex with additional first floor extension, erection of 2-storey side extension with accommodation at roof level served by front and rear dormer windows in place of existing garage, and provision of new screening on roof terrace facing school.