Sustainable Renovation Bussum / Project

Between July and October 2024, this elegant 1905 home underwent a complete transformation into a fully energy-independent and A+++ certified property, while preserving its historical charm.

• Energy label before renovation: G
• Energy label after renovation: A+++
• Timeline: July – October 2024

Key Energy-Efficiency Upgrades:

• Roof insulation: Kingspan Kooltherm K12
• Pitched roof insulated with 140mm PIR (Rd = 6.3)
• Façade insulated with PIR + moisture-resistant plasterboard
• Crawl space insulation: 60mm PIR
• Internal wall insulation: PIR + 4AK
• HR++ double glazing

Energy Independence Measures:

• Underfloor heating on ground and first floors
• Solar panel installation
• Daikin-Intergas 7.4 kW heat pump

Structural and Interior Renovations:

Ground Floor:

• Reconfiguration of the entrance
• Plastering and painting of walls
• Renovation of guest toilet
• PVC flooring throughout

First Floor:

• Balcony insulation (external façade)
• Complete redesign of the bathroom: laundry area, separate bathtub, shower, toilet, sink, and mirror
• Wall plastering and painting
• Restoration of wooden elements
• PVC flooring throughout

Second Floor:

• Floor plan redesign
• Roof dormers reinforced with additional beams
• Dormer window replacement
• Wall plastering and painting
• Restoration of original woodwork

Technical Works:

• Full electrical rewiring and installation of a new metercabinet
• Renovation of all mechanical systems
• Restoration of wooden windows and doors on the front façade