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Hawkes wins planning for another PPS7 Passivhaus

Hawkes Architecture has won the green-light for this £750,000 ‘county house clause’ scheme in the Kent countryside

The Passivhaus scheme is the first in Ashford to be approved under the NPPF paragraph 55 - a ‘more generous’ replacement for the former ‘contemporary country house’ clause, officially known as Clause 11 of Planning Policy Statement 7 (formerly PPS7).

The 332m² house is arranged in three rectangular blocks set within the frame of a dutch barn.

The lower levels of the house will be clad in English western red cedar while the upper levels will be clad in locally-sourced chestnut vertical cladding.

The house is designed to be completely off-grid for eight months of the year using a hybrid PV system and a log gasification boiler.

This is the practice’s sixth PPS7 house. Hawkes won planning for its first in Kent back in 2011 and for another eco-house in the High Weald Area of Outstanding Natural Beauty in Surrey in 2012.

Hawkes Architecture perspective

The architect’s view

The home, located on a farmstead in the rural village of Smarden in Kent has been designed to respond sensitively to the existing established hierarchy of buildings on the former working dairy farm.

As well as having all the usual ‘passive house’ trimmings and levels of performance the proposals include various enhancements to the landscape and energy consumption profile of the entire farmstead setting.

Hawkes Architecture Landscape Plan

Project data

Location Smarden, Ashford, Kent
Type of project new dwelling in the open countryside, (NPPF55)
Client private clients
Architect Hawkes Architecture
Landscape architect Squires Young 
Structural engineer appointment to be based upon prospective main contractor 
M&E consultant not yet appointed
Quantity surveyor not yet appointed
Planning supervisor Ashford Borough Council
Lighting consultant not yet appointed
Main contractor not yet appointed
Funding sale of clients current house
Tender date spring 2014
Start on site date winter 2014
Completion date spring 2015
Contract duration December 2012 to completion
Gross internal floor area 332m2
Form of contract and/or procurement Design and Build
Total cost £750,000
Annual predicted CO2 emissions maximum 500kg total
Predicted air tightness levels  <0.6 air changes per hour @ 50 pascals
Environmental target Passivhaus

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