Sir Richard Mac Cormac, Density

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Sir Richard MacCormac, former President of the Royal Institute of British Architects, who has been leading research into Sustainable Suburbia, introduced the idea that higher densities could produce a number of benefits properly handled.

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Sir Richard Mac Cormac, Density

  1. 1. MacCormac Jamieson Prichard 9 Heneage Street, Spitalfields, London, E1 5LJ T. 0207 3779262 F. 0207 2477854 E. mjp@mjparchitects.co.uk
  2. 3. TWO NEIGHBOURHOODS COMPARED <ul><li>Greenleys, Milton Keynes </li></ul><ul><li>Cul-de-sacs impede pedestrian movement – green buffers </li></ul><ul><li>along roads reduce perceived safety of pedestrian </li></ul><ul><li>environment, and contribute to social discontinuity and </li></ul><ul><li>isolation </li></ul><ul><li>‘ Arterial’ road layout leads to bottlenecks on feeder roads </li></ul>Greenleys, Milton Keynes % Roads : 20 % ‘SLOAP’ : 40 FAR : 0.4 Off-street parking: 100% <ul><li>• Very inefficient in terms of land in private use </li></ul><ul><li>Road systems and open space patterns across </li></ul><ul><li>the whole settlement reduce gross density to </li></ul><ul><li>perhaps 7du/ha </li></ul>Density: 25 dph net (125 bph)
  3. 4. <ul><li>Wolverton, Milton Keynes </li></ul><ul><li>Density sufficient for walkable community </li></ul><ul><li>Urban design mitigates impact of density: grid of streets </li></ul><ul><li>reduces congestion, cars and parking in back alleys permits </li></ul><ul><li>well-defined street frontage with ‘eyes on the street’ </li></ul><ul><li>Street system allows density to be sustained across the </li></ul><ul><li>settlement </li></ul>TWO NEIGHBOURHOODS COMPARED Density: 52 dph net (260 bph) Wolverton, Milton Keynes % Roads : 20 % ‘SLOAP’ : 0 FAR : 0.4 Off-street parking: 100% • Higher property value than Greenley MK ‘car’ suburb, even though density is double
  4. 5. Rye
  5. 6. Winchelsea
  6. 7. DENSITY AND THE SUBURBAN LIFESTYLE <ul><li>• front door </li></ul><ul><li>• private garden </li></ul><ul><li>• off-street parking </li></ul><ul><li>• not overlooked </li></ul><ul><li>• good view and greenery </li></ul><ul><li>quiet and privacy </li></ul><ul><li>secure perimeter </li></ul><ul><li>well maintained public realm </li></ul><ul><li>sense of identity and place </li></ul><ul><li>good access to public transport </li></ul><ul><li>pedestrian access to schools, public services and shops </li></ul><ul><li>sense of community </li></ul><ul><li>low traffic levels and speeds </li></ul><ul><li>demographic diversity </li></ul>PRIVATE COMMUNAL
  7. 8. 57dph – COURTYARD HOUSING Courtyard Housing Density: 57dph net 285 bph net Housing Mix: 100% 3b 5p houses Storeys: 2 Off Street Parking: 100% Proportion of Road: 36%
  8. 9. 77dph – TERRACED COURT HOUSING Terraced Court Housing Density: 77dph net 383 bph net Housing Mix: 90% 3b 5p houses 10% 3b 5p maisonettes Storeys: 2/3 Off Street Parking: 100% Proportion of Road: 32%
  9. 10. 87dph – MEWS HOUSING Mews Housing Density: 87dph net 435 bph net Housing Mix: 69% 3b 5p houses 31% 3b 5p maisonettes Storeys: 2/3 Off Street Parking: 100% Proportion of Road: 40%
  10. 11. Housing Mix and Land Use Land Use 20% Open Space and other Uses 10% Apartments 70% Housing 20% Open Space in one place A mix of dwelling types
  11. 17. View of a shared garden
  12. 18. Street trees on the avenue create a soft barrier between traffic and pedestrians
  13. 19. A public garden at the junction of street and road
  14. 21. MacCormac Jamieson Prichard 9 Heneage Street, Spitalfields, London, E1 5LJ T. 0207 3779262 F. 0207 2477854 E. mjp@mjparchitects.co.uk

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