Patio Extension and ACO Drain Installation
HARD LANDSCAPE PROJECT
APRIL 2025
Lewis Construction recently completed a patio extension project in Llanidloes, Powys, involving full excavation, ground preparation, and the installation of new drainage to create a larger, more functional outdoor space.
Our team carefully dug out and extended the existing patio area, preparing a solid sub-base to ensure long-term stability and prevent future movement or settlement. New paving was installed to match and extend the existing layout, creating a seamless and practical outdoor area ideal for seating and everyday use.
To improve drainage and protect the property from surface water build-up, we also installed ACO drainage channels, allowing rainwater to be safely and efficiently directed away from the patio and surrounding areas.
Scope of works included:
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Excavation and removal of existing ground
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Extension of the patio area
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Sub-base preparation and levelling
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Installation of new patio paving
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Installation of ACO drainage channels for surface water management
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Precision finishing and full site clean-up
Benefits of patio extension and drainage installation:
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Increased usable outdoor living space
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Improved surface water drainage and protection
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Long-lasting, stable patio foundation
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Clean, modern, and practical finish
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Reduced risk of water pooling or flooding

