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| Outdoor Staircase | Balcony with Spiral | External Spiral Staircase |
| Balcony and helical stairs with cedar decking. | Traditional design with cast anthemion designs. | 7 metres to top platform 2.1 metres diameter. |
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| Stairs Platform and Balustrade | Spiral Staircase with Balustrade | |
| Maximum gaps in balustrade not exceeding 100mm. |