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Iroko Housing Cooperative

View from north-west corner of the perimeter block towards allocated bays.

Plan showing typical arrangement of on-street parking treatment, right-angled to pavement. Blank ground floors limit surveillance and depend on upper storeys. Poor parking ratios limit availability of space, but movement from vehicles to cars encourages active streets. Access to vehicles from homes is restricted by barriers and there is limited visual surveillance of cars from ground floor units.

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Inner courtyard over NCP underground.

Blank ground floors limit surveillance and depend on upper storeys. Poor parking ratios limit availability of space, but movement from vehicles to cars encourages active streets. Access to vehicles from homes is restricted by barriers and there is limited visual surveillance of cars from ground floor units.

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Plan showing location of the case study - which features an on-street, right angled-to-pavement type treatment - within the wider development.

The premium on city-centre parking led this housing co-operative to build an underground car park and use income as cross-subsidy for higher scheme development standards. What little parking that is provided for residents invents a variation of on-street.

Coin Street on London's South Bank is a benchmark for community-led affordable housing. So first impressions of the co-operative's most recent residential development surprise with modest parking provision for residents in 59 mostly large houses, but an underground car park for those commuting to South Bank.

But it is part of a grand plan. The three-side perimeter block has a landscaped square with a 260-space car park beneath operated by NCP. This does not offer free car parking spaces or concessionary rates to residents. Instead, the income from the car park cross subsidises the entire freehold owned by Coin Street Community Builders. It paid for generous space standards and specification, and now maintains a high-quality public realm on the roads linking the development to other blocks which puts other streets within the local authority to shame.

This pleasant street environment accommodates two simple controlled parking solutions on the two quieter streets enveloping the perimeter block. Arranged in two and three bays to the west, and in end-to-end layby style to the east, the parking zones are defined by changes of colour, texture, and material. Granite setts separate the precast concrete paviors leading to dwelling entrances, and buff bonded gravel defines the walkways between straightforward blacktop hardstandings for unallocated but controlled spaces.

On the west side of the site, exposed aggregate plinths with reconstituted stone copings and metal railings are integrated with elaborately detailed binstores. These bin stores are used on the north side of the block to define public and private realm, and again here they articulate a hierarchy of pedestrian routes, one between bin store and house more private than the other between car and carriageway.

The development features townhouses, maisonettes and flats in a 3 and 4 storey orthogonal block with landscaped internal square.

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Pedestrians face a choice between private or more public route past cars.

Blank ground floors limit surveillance and depend on upper storeys. Poor parking ratios limit availability of space, but movement from vehicles to cars encourages active streets. Access to vehicles from homes is restricted by barriers and there is limited visual surveillance of cars from ground floor units.

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Blank ground floors limit surveillance and depend on upper storeys. Poor parking ratios limit availability of space, but movement from vehicles to cars encourages active streets. Access to vehicles from homes is restricted by barriers and there is limited visual surveillance of cars from ground floor units.

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Details make space private but obscure surveillance.

Blank ground floors limit surveillance and depend on upper storeys. Poor parking ratios limit availability of space, but movement from vehicles to cars encourages active streets. Access to vehicles from homes is restricted by barriers and there is limited visual surveillance of cars from ground floor units.

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Space submitted by Sam Brown

17 October 2013