Variation of Condition 1 and 11 of planning permission dated 20 October 2022 (RN: 22/04903/FULL) for the demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works; and amendments to car parking provision (retention of the public car park), alterations to the cycle parking provision and basement layouts and reduction in flexible commercial floorspace; namely, design modifications to the Carlton House Terrace elevation including an additional entrance, pavement lights, replacement railings and re-alignment of a section of the south facade; alterations to the lower ground floor glazing on the west elevation, a new stairwell and platform lift to roof terrace (level 10), widening of central core to accommodate emergency access and fire-fighting lifts, realignment of level 10 balustrade and alterations to south-west lift overrun and amendment to the wording of Condition 11 to include the word 'pergolas'.

Variation of condition 2 (plans) attached to 22/06495/VCDN (Variation of condition 2 (approved plans) attached to pp 21/08526/VCDN attached to 20/07678/VCDN (Variation of conditions 2 (Approved Plans), 5 (Landscaping scheme/planting strategy), 8 (lighting), 9 (Agreed Highways: surface water), 13 (Approved SUDs condition), 17 (Footpath beside Four Ashes Road), 20 (Cycle and refuse storage) and 24 (Balcony details) attached to PP 20/06254/VCDN (Variation of condition 2 (plan) and 5 (Masterplan and planting strategy) attached to PP 20/05272/VCDN (Variation of condition 2 (plans) and 5 (masterplan and planting strategy) attached to PP 19/05741/VCDN (Variation of condition 2 (plan numbers) attached to PP 16/05053/FUL - (Demolition of former coach house block and erection of new two storey building providing a mix of 1-bed, 2-bed & 3- bed self-contained flats. Conversion of former Conference Centre buildings including extensions & alterations to provide 54 x 1,2 & 3-bed flats with reception area/offices/storage to ground & first floor of Central Block (67 dwellings in total). Highway works to Four Ashes Road, to include provision of a footpath beside Four Ashes Road between the site and Cryers Hill, alterations to site access, amendment to parking layout within site, boundary treatment, landscaping & associated ancillary works) to allow for 1 metre extension of the approved conservatories of Block G and the change of their roof to a sedum flat roof with two kerb rooflights)

Variation of condition 2 (approved plans) attached to pp 21/08526/VCDN attached to 20/07678/VCDN (Variation of conditions 2 (Approved Plans), 5 (Landscaping scheme/planting strategy), 8 (lighting), 9 (Agreed Highways: surface water), 13 (Approved SUDs condition), 17 (Footpath beside Four Ashes Road), 20 (Cycle and refuse storage) and 24 (Balcony details) attached to PP 20/06254/VCDN (Variation of condition 2 (plan) and 5 (Masterplan and planting strategy) attached to PP 20/05272/VCDN (Variation of condition 2 (plans) and 5 (masterplan and planting strategy) attached to PP 19/05741/VCDN (Variation of condition 2 (plan numbers) attached to PP 16/05053/FUL - (Demolition of former coach house block and erection of new two storey building providing 1 x 1-bed, 10 x 2-bed & 2 x 3-bed self-contained flats. Conversion of former Conference Centre buildings including extensions & alterations to provide 54 x 1,2 & 3-bed flats with reception area/offices/storage to ground & first floor of Central Block (67 dwellings in total). Highway works to Four Ashes Road, to include provision of a footpath beside Four Ashes Road between the site and Cryers Hill, alterations to site access, amendment to parking layout within site, boundary treatment, landscaping & associated ancillary works) to allow for 1 metre extension of the approved conservatories of Block G and the change of their roof to a sedum flat roof with two kerb rooflights