Variation of condition 2 of planning permission ref: 2022/00949/FUL granted 13th July 2023 for the 'Erection of a part one/part two storey extension to the main building at roof level following removal of existing plant; plant enclosure at seventh floor level; three-storey tiered extension to the side and rear of the building at second, third and fourth floor levels; roof terraces at fifth and seventh floor levels; alterations to ground floor frontage and the first floor northern elevation; replacement windows; external alterations; provision of refuse storage at ground floor level and cycle storage at basement level, in connection with the provision of an additional 4,539sqm (GEA) of high grade Class E(g)(i) office space (16,301sqm (GEA) in total)' to allow amendments to the approved drawings to include: accommodate a larger substation within the existing building envelope on the ground floor; repositioning of doors and rooflights on the green roof of the second floor; repositioning of roof lights on the second, and fourth to seventh floor terraces/green roofs and roof level; brick detailing/infill added to part of east, north and south elevations; new louvre for basement smoke extract on south and north elevations; and reposition louvre on west elevation.

Variation of conditions 2, 3 and 5 of planning permission 1998/01169/FUL (allowed on appeal T/APP/H5390/A/98/299625/P5) for the 'Erection of a three storey building to provide a new sports and leisure centre and a museum' to allow the use of the Chelsea Health Club for hospitality use and to amend the hours of use.

Submission of details of a preliminary risk assessment report, pursuant to Condition 19; details of a site investigation scheme, pursuant to Condition 20; details of a quantitative risk assessment report, pursuant to Condition 21; details of a remediation method statement, pursuant to Condition 22; details of a verification report confirming that the approved remediation method statement has been carried out in full, pursuant to Condition 23; and details of an onward long-term monitoring methodology report, pursuant to Condition 24 of planning permission reference: 2020/03277/FUL dated 15th April 2021.

Variation to wording of condition 4 of planning application ref: 2022/03649/ADV granted 8th March 2023 for the 'Display of an internally illuminated led video screen measuring 7m x 4m at the entrance to the North Lower Tier (north eastern elevation) of the Matthew Harding Stand of Stamford Bridge Football Stadium' to read as follows: The LED board hereby permitted shall only be illuminated between the hours of 7:00- 22:00 on Chelsea FC home matchdays and between 7:00-20:00 on all other days. The remainder of the time it shall be switched off and shall not display any graphics.

Variation of condition 2 (approved drawings), 3 (materials) and 7 (obscure glazed screen) of planning permission ref: 2021/04131/FUL granted 25th January 2023 for the 'Erection of a rear roof extension; erection of rear extensions at lower ground level; excavation of part of the front garden to form lightwell in connection with the enlargement of the existing basement; erection of external staircases from basement to upper ground floor level in connection with the formation of a roof terrace at upper ground floor level to the rear elevation; replacement of existing windows and glazing with new windows and glazing, at the front and rear elevation; erection of railings and pedestrian entrance gate at the front elevation; installation of access ladder at basement level to the front of the property' to allow the replacement of obscure glazed screens with iron railings to the rear elevation at upper ground floor level and to the side of the external staircase from basement to ground floor level at the rear of the property.

Submission of details of Ultra Low Emission Strategy (ULES) for the operational phase of the development pursuant to condition 28; final Delivery and Servicing Plan pursuant to condition 32 of planning permission ref: 2020/03397/FUL granted 20th July 2022.

Submission of details of a ventilation strategy report pursuant to Condition 13 of planning permission reference: 2019/02916/FUL dated 25th February 2020.

Submission of details of a Ventilation Strategy Report to mitigate the impact of air pollution for the C3 class use, pursuant to Condition 8; and details of the Ultra-Low NOx Gas fired boilers to mitigate air pollution, pursuant to Condition 13 of planning permission reference: 2019/01301/FUL dated 26th July 2019.

Submission of details of the sound insulation of the floor/ ceiling/ walls separating the studio part of the development from neighbouring dwellings, pursuant to Condition 8 of planning permission reference: 2021/02771/FUL dated 13th March 2023.

Variation of Condition 2 (approved drawings) to allow minor material amendments to planning permission reference: 2023/00461/FUL granted 21st April 2023 for the 'Erection of a rear extension at second floor level over part of the existing back addition; erection of a single storey rear extension to the side of the existing back addition at upper ground floor level; excavation of the rear garden to form a lightwell, alterations and enlargement of the front lightwell in connection with the enlargement of the existing basement; installation of 3no rooflights above the main flat roof at roof level; replacement of the existing rooflights with new rooflights in the front roofslope; installation of a new window in the rear roofslope; replacement of the existing window with an enlarged window to the rear back addition of first floor level; replacement of existing single glazed windows with new double glazed windows; replacement of existing roof terrace balustrades with new balustrades above the roof of second floor rear back addition; installation of new enlarged sliding doors to replace the existing sliding doors at upper ground floor level to the rear elevation; demolition of the existing lean to extensions at upper ground and first floor level.' Amendments sought are for the roofing material of the approved rear extension at the second floor level over part of the existing back addition to be changed from slates to zinc and for the side elevation of the second floor rear back addition to be changed from sloping roof to vertical.