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Planning Committee - Monday, 3rd March, 2025 7.30 pm
March 3, 2025 View on council website Watch video of meetingSummary
The Planning Committee approved the application to redevelop 48 Chiswell Street. As part of their decision the Committee amended Condition 27 of the planning decision to ensure that part of the development's roof could not be used as a terrace. They also secured a commitment from the applicant to meet them halfway
and increase their contribution to the Council's Affordable Workspace scheme from £2,875,000 to £2,937,500.
48 Chiswell Street, London EC1Y 4XX
The Committee considered a proposal to redevelop 48 Chiswell Street. The proposal involved the partial demolition, recladding and refurbishment of the existing building, and the erection of a two storey roof extension to create more office space. It would also create a new retail unit on the ground floor.
This was the third time the Committee had considered the application. The previous two meetings had deferred making a decision on the proposal to allow the applicant to make changes to their scheme. Specifically the Committee had been concerned about the proposed building's height, the impact it would have on the daylight received by neighbouring properties, and whether enough was being done to create social value in the local area.
Building Height
The current building at 48 Chiswell Street is 31.82 metres tall, and the applicant sought to increase this to 37.95 metres. Islington's Local Plan states that [b]uildings of more than 30 metres are only acceptable in-principle: (i) on sites allocated in the Local Plan where the allocation makes specific reference to suitability for heights of 30m or more; and/or (ii) within specific sites identified in a Spatial Strategy area.
1
48 Chiswell Street does not meet these criteria, but the applicant argued that the increased height was necessary to create enough office space to meet the borough's needs. The applicant noted that
[t]he Bunhill and Clerkenwell Area Action Plan confirms that Islington has a forecast need for approximately 443,000sqm of additional office floorspace by 2036, to accommodate the projected increase in jobs in the borough. Based on the existing pipeline of new office proposals, the area action plan advises that delivering this level of floorspace will be a major challenge.
They argued that the increased height would
make a meaningful contribution towards the identified need for business space in the borough, supporting the aims and objectives of the Development Plan in this regard.
The applicant also argued that the increase in height was justified because they were retaining 75% of the existing building structure. They stated that this would reduce the building's embodied carbon footprint, in line with the Council's commitment to be net zero carbon by 2030.
To reduce the visual impact of the increased height, the applicant had, in response to previous meetings, agreed to introduce a 1.7-2.6 metre set-back on the upper floors of the development on the Whitecross Street elevation.
Councillor Klute stated that he was
very pleased that we have actually managed to get some reshaping of the top two additional floors.
Daylight and Sunlight Impacts
Several residents had objected to the proposals on the basis that they would reduce the daylight and sunlight received by neighbouring properties, particularly those in the Whitbread Estate. In particular there were concerns about the impact on Sundial Court a student accommodation building on the estate.
In response to these concerns, the applicant provided a detailed report that showed the impact of the proposed development on the daylight and sunlight of all of the windows in the Whitbread Estate, Sundial Court and 1-80 Bunhill Row. The report found that the proposed development would exceed the Building Research Establishment (BRE) guidelines for daylight and sunlight loss for several rooms, however the applicant argued that the absolute loss of light would be small, and that most of the affected rooms were bedrooms. The report also found that the development would exceed the BRE guidelines for the overshadowing of one of the Whitbread Estate's shared amenity spaces, and the private amenity spaces of three properties on the estate.
Councillor Klute argued that
the daylight and sunlight aspects of it have been well discussed in the report ... I think this is a fairly, at this point, fairly straightforward proposition.
Affordable Workspace Contribution
The applicant proposed to make a financial contribution to the Council's Affordable Workspace scheme instead of providing affordable workspace in the new building. This was because Islington's Affordable Workspace Team had concluded that the basement space the applicant proposed to provide as affordable workspace would be hard to let.
The amount of money the applicant had to contribute was calculated using a formula in the Islington Local Plan. The formula calculated the amount of money the Council would forgo by not being able to rent the space to businesses for 20 years at market rates.
Because the 1.7-2.6 metre set-back on the Whitecross Street elevation reduced the amount of office space the applicant could provide, the applicant argued that they should contribute less money to the Affordable Workspace scheme. They sought to reduce their contribution from £3 million to £2,875,000.
Councillor Convery felt that the applicant should be held to the £3 million they had originally proposed to contribute, arguing that
[w]e often accept things which are more generous than policy. So, what we've done is we've recalculated downwards the affordable work space contribution, which would be the minimum expectation. That isn't the same thing. That's effectively saying, you offered us 3, but now we'll settle for less when we could be sticking at 3.
The applicant countered that the £2,875,000 was
[o]bviously a calculation which is driven by a formula and the slightly reduced floor space has dropped that back, 125,000.
Councillor Convery asked the applicant if they could
maybe come up slightly, but if you could meet us halfway on that.
The applicant agreed to this compromise, stating that it seems fair
. The final contribution will therefore be £2,937,500.
Roof Terrace
The applicant had not confirmed whether they intended to use the 1.7-2.6 metre set-back on the Whitecross Street elevation as a terrace, but Councillor Klute thought it would be problematic if they did. He argued that
you'd have to put guarding up to stop people from falling over the end of the building. And that would then add to the height of the parapet, which would be working against the whole principle of trying to shift that elevation back.
He proposed to amend Condition 27 of the planning decision to restrict access to this area. Condition 27 of the planning decision compels the applicant to provide the Council with an External Amenity Area Management Plan that describes how the use of the development's outdoor areas will be managed.
Social Value Plan
As part of the application the applicant had agreed to support a number of programmes in the surrounding area across a three-year period. The supported programmes would promote engagement between knowledge economy businesses and local communities, create employment opportunities for local residents, and would help support local enterprise.
At the November meeting the Committee had felt that the detail provided about these programmes was too vague and had deferred making a decision on the application to allow the applicant to provide more information.
The applicant subsequently provided a detailed Social Value Plan
that described the proposed programmes and quantified the social value they would create. The Plan described three programmes:
- A
Community and schools World of Work outreach programme
- An
Employability programme
-
Specialist mentoring and incubation support for tech/creative/green businesses
The Plan estimated that these programmes would create £1,835,036.40 in social value using the Social Value TOM System. 2 The Plan proposed to fund these programmes using a £1,080,000 contribution from the applicant.
The Plan also described a number of other initiatives that the applicant would implement in the development, such as requiring incoming tenants to pay the London Living Wage, preferentially awarding contracts to local businesses, and encouraging tenants to participate in local volunteering schemes.
The Committee noted its approval of the Social Value Plan and confirmed that it would be secured through the legal agreement attached to the planning decision.
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The London Plan defines 'tall buildings' as buildings that are at least 6 storeys or 18 metres tall. This means that a 'tall building', as defined by the London Plan, would not necessarily breach Islington's Local Plan Policy DH3 if it was less than 30 metres tall. ↩
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The Social Value TOMs Framework is a framework for measuring social value. It is intended to help organisations understand and measure the social impact of their work. ↩
Attendees


Documents
- Agenda frontsheet 03rd-Mar-2025 19.30 Planning Committee agenda
- P2023_3522_FUL - Addendum Committee Report
- Public reports pack 03rd-Mar-2025 19.30 Planning Committee reports pack
- Minutes of Previous Meeting other
- Schedule of Planning Applications 3rd March 2025
- Map P2023-3522-FUL 48 Chiswell Street London EC1Y 4XX
- APPENDIX 3 - 14 November Committee Report other
- APPENDIX 4 - 9 December Addendum Committee Report other