Sloping house with a view

A successful renovation and extension transformed this sloping house into one that makes the most of its Co Antrim views.

In this article we cover:

  • Working with an architectural practice for the redesign and extension
  • How the build was project managed and why
  • Deciding between knocking the house down and extending
  • Window choices
  • Replumbing choices
  • How the house was redesigned
  • Tender process and choosing a builder
  • Finding the right products and finishes
  • How much they could repurpose from the original house
  • Details of hidden costs, including electrics and plastering
  • Cutting costs during the build to keep it within budget
  • Landscaping on a sloping site
  • Floor plans and suppliers list
  • Maintenance requirements for stainless steel and outdoor glazing
  • Tips on room sizes and sanitaryware positioning
  • Garden design for a sloping site

House size before: 138 sqm
House size after: 222 sqm
Plot size: 3,575 sqm
Walls: mainly existing 100mm cavity walls which were continued; all pumped with EPS insulation beads to achieve a U-value of 0.28W/sqmK
Roof: 500mm fibreglass quilt insulation, overall U-Value 0.08 W/sqmK
Floor: 100mm PIR insulation to subfloors; U-value 0.21 W/sqmK
Windows: 70mm white uPVC with 28mm glass all with low-e k glass and gas filled to give A rating

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Written by Mark Stephens

Mark Stephens RIBA MRIAI is a UK and Ireland trained architect based in Foxford, Co. Mayo. For more information about his practice or to see photos of his own innovative ‘underground’ house visit www.MarkStephensArchitects.com or contact via email at mdstephens@gmail.com or mobile 085 159 4084.

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