Those tricky Victorian terraces around Norbury station weren't built with modern garden access in mind. Stone-filled gabion walls solve the puzzle of managing steep slopes whilst adding striking architectural features to outdoor spaces.
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Norbury's mix of Edwardian semis and post-war developments share one common challenge: awkward level changes. Traditional retaining walls often crack under London clay movement, but gabion structures flex naturally with ground shifts. The wire mesh cages filled with angular stone create drainage channels that prevent the waterlogging issues plaguing so many SW16 gardens. Plus, they look rather spectacular catching morning light through those mature plane trees lining residential streets.
Construction begins with proper foundation assessment – crucial given the clay subsoil throughout CR7. Steel mesh panels interlock to form cages, typically using 3mm galvanised wire with 50x50mm apertures. Angular gabion stone (usually 100-200mm granite or limestone) gets hand-packed to ensure structural integrity whilst maintaining the characteristic aesthetic. Each cubic metre requires approximately 1.7 tonnes of stone, creating walls that actually strengthen over time as material settles.
Having installed gabion solutions from compact Pollards Hill gardens to sprawling Thornton Heath properties, understanding local ground conditions proves invaluable. Every project receives the same meticulous attention, whether it's a modest boundary wall or ambitious terracing scheme.
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Standard gabion installations range £180-280 per square metre including materials and groundwork. A typical 15-metre retaining wall (1.5m high) costs £4,000-6,000, though complex slopes or poor access can increase this.
Absolutely – from the conservation areas near Streatham Common through to new developments around Norbury Park. Regular installations across SW16 and CR7 postcodes mean we're rarely more than ten minutes away.
Most residential gabion projects finish within 5-8 working days. Smaller boundary walls often complete in just 3 days, whilst extensive terracing might extend to two weeks.
All gabion installations carry decade-long structural warranties covering mesh integrity and stone settlement. The galvanised cages themselves typically last 50+ years in London conditions, far exceeding warranty periods.
Definitely – gabions work brilliantly with integrated planters, creating living walls perfect for trailing plants. LED strips can be woven through the mesh during construction, illuminating the stone texture beautifully after dark.
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