Permeable Block Paving Driveways
SuDS Compliant Interlocking Permeable Block Paving Solutions
Permeable block paving driveways combine the aesthetic elegance of classic block paving with engineered rainwater management for homes in Southampton, Portsmouth, Fareham, and Waterlooville. Permeable blocks feature integrated side nibs that create precise joint voids across the driveway surface.
Filled with 2-6mm clean crushed stone aggregate rather than traditional sand, surface water drains directly into open-graded crushed stone sub-bases (Type 4/20). This prevents surface ponding, manages extreme downpours, and eliminates planning permission requirements completely.
Permeable Block Paving FAQs
Expert Answers to Permeable Block Paving Questions
Read details on joint stone aggregate, sub-base requirements, SuDS compliance, and vacuum sweeping.
How do permeable blocks differ from standard paving blocks?
Permeable blocks have wider integral nib spacers creating joints that let rainwater pass directly through.
Why is kiln-dried sand not used for permeable block jointing?
Kiln-dried sand seals joints; permeable block paving requires 2-6mm grit stone to allow free water flow.
Can permeable block paving handle heavy domestic vehicles?
Yes, 60mm and 80mm permeable blocks laid over engineered open aggregate sub-bases easily support family cars and vans.
Does permeable block paving require planning permission?
No, because the entire surface drains water on-site naturally, no planning permission is necessary.
How often should permeable block joint grit be refreshed?
Top-up joint aggregate every 3 to 5 years after high-pressure washing or vacuum debris extraction.
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