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archetypes. design

archetypes. designarchetypes. designarchetypes. design

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#30 Pump House Close

The existing house, designed over 25 years ago, is a freehold end-of-terrace family dwelling arranged over three storeys, with an additional terrace and mezzanine level within the roof space. 


The property was built within the curtilage of the London Hydraulic Power Company Pumping Station—a Grade II Listed Building.


Planning permission has been granted for remodelling the existing roof and adding a conservatory at terrace level, converting the ground-floor garage into habitable space, inserting two new windows to the rear elevation, introducing an integrated solar green roof system.

  

Thanks to the difference of level of around 3 meters from the current ground floor – accessible from the courtyard on the North-East side of the building - and the street level on the South-West side along Canada Estate, it will be possible to create a new  basement level, underneath the current ground floor, benefiting of a window towards Canada Estate, improving natural light and ventilation for the room at this level.


Google Earth link 

Planning Drawings

download PDF

Brief

Complete remodelling and extension

 The planning drawings describe the general scope of the project as follows:


  • Complete stripping of internal floors, stairs, and partitions.
  • Demolition of existing roof and Creation of new top-level room, including flat roof, glazed conservatory to terrace.
  • Creation of new basement level.
  • Addition of two windows to the rear and alteration to garage door.
  • New internal layout, staircases, etc.

Additional features

The scope should allow for the following additional measures:

  1. Green roof with photovoltaic panels (solar green roof)
  2. EV charging point 
  3. Additional internal insulation to all existing external wall
  4. Internal floors to be as per PART E Robust detail to enhance acoustic insulation.
  5. Replacement of all external windows or secondary glazing
  6. Heat pump and induction hobs to have a gas-free house
  7. Air conditioning (Basement and top level only) and MVHR throughout 
  8. Underfloor Heating
  9. Fire suppression system throughout 

The proposed flat roof allows to optimise the use the whole footprint at loft level, which is currently restricted to the central section under the ridge. The side glazing is frosted to address any privacy concerns. The conservatory maximise the flexibility of the top level, integrating internal and external space, to be used as amenity space and occasionally as guest room.

LAYOUT 3.0

The set of drawings below is an update in comparison with the planning drawings reflecting recent conversations, although it is subject to some further adjustments.

Download PDF

Virtual Tour: Stage 3.0

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