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Exterior Cleaning Services in Dunedin
Dunedin's Locally Owned Property Cleaning Specialists
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Our Services in Dunedin:
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Water Blasting Commercial-grade water blasting for driveways, paths, patios, fences, walls, and outdoor surfaces of all kinds. Professional equipment and the right technique for each surface type — not just a high-pressure rinse.
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House Washing Full exterior house wash using soft wash methods safe for all cladding types — weatherboard, plaster, brick, and fibre cement. Removes mould, algae, grime, and spider webs from the full exterior including fascia, soffits, and window frames.
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Roof Cleaning Soft wash moss, lichen, and algae removal from all roof types, with professional roof treatment applied after the clean to protect the surface and slow regrowth. Safe methods that don't damage roofing materials.
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Gutter Cleaning Full debris removal, downpipe flushing, and spouting inspection. We clear everything from leaf litter and compacted moss to bird nests and plant growth — and we remove all debris from site.
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Concrete Cleaning & Sealing Professional driveway, path, and patio cleaning to remove embedded grime, moss, and organic staining, with concrete sealing available to protect the surface and reduce future maintenance.
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Deck & Fence Cleaning Controlled-pressure timber cleaning for decks, fences, and outdoor timber structures. Safe on all timber types and an essential first step before staining or recoating.
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Drain Clearing Stormwater drain unblocking, downpipe clearing, and outdoor drainage system flushing. Fast response for urgent blockages during wet weather.
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Oamaru & Natural Stone Cleaning Specialist soft wash cleaning and sealing for limestone and natural stone surfaces — handled with care using stone-safe methods and breathable sealants.
Dunedin's Locally Owned Property Cleaning Specialists
Dunedin is a city that takes pride in its homes. From the historic villas of St Clair and Mornington to the weatherboard bungalows of North East Valley and the hillside properties of Māori Hill and Wakari, the character of Dunedin's housing stock is part of what makes the city what it is. But Dunedin's climate — wet winters, persistent moisture, and the organic growth conditions that come with it — does a number on exterior surfaces year-round.
Moss spreads across driveways and paths. Gutters fill with autumn leaf falls. Roofs accumulate lichen and algae over multiple seasons. Decks and fences grey out and turn slippery. Concrete stains and darkens. House exteriors build up layers of grime, mould, and spider webs that no amount of rain is going to shift on its own.
Blast Off Otago is a locally owned exterior cleaning business based in Dunedin. We service the full city — from the central suburbs through to the outer areas — providing professional cleaning and maintenance services that restore and protect properties across the region. We're not a national franchise and we don't subcontract. When you book with us, our team does the work.