An aluminium pergola gives a Box Hill home a clean, modern outdoor structure that never needs oiling, cannot rot and will not rust. That matters in a wet part of Melbourne: Scoresby, the nearest long-record Bureau of Meteorology station, records about 850 mm of rain a year over roughly 115 wet days, the kind of weather that greys and softens untreated timber. Peak Pergolas designs and builds powder-coated aluminium pergolas across Box Hill, Burwood, Vermont South, Forest Hill and the rest of Whitehorse, open or roofed, attached or free standing, each one measured at the house, engineered for the site and lodged for a permit where one is needed.
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Aluminium pergolas in Box Hill are built in three main forms, depending on how much shade, rain cover and light the space needs.
An open aluminium pergola has a frame of posts and beams with aluminium slats or battens across the top. The slats can be spaced wide for light shade or close for deeper shade, and they will never warp, split or need oiling. It suits a courtyard, a side path or a garden structure where filtered shade and a clean look matter more than rain cover.
An aluminium frame can carry Colorbond steel sheet for full shade and rain cover, or clear and opal polycarbonate to keep the space bright. Clear roofing is often the better choice over a living room window, because Scoresby records only about 3.9 hours of sun a day in June and a solid roof can leave the house dark through winter. See polycarbonate pergolas.
An opening roof uses aluminium blades that tilt open for sun and air and close tight for rain, with water drained through gutters built into the frame. It gives the most control of any pergola and is built entirely from aluminium so it stays smooth and corrosion free. See louvre roof pergolas.


Peak Pergolas Box Hill
The design of an aluminium pergola starts with where it sits against the house and how it should look from inside and from the garden.
An attached pergola is fixed to the wall or fascia of the house on one side and stands on posts on the other. It covers the alfresco area outside the kitchen or family room and can be set on fly-over brackets above the gutter where the eave is low. Slim aluminium beams keep the profile light, so the pergola does not crowd the back of the house.
A free standing aluminium pergola stands on its own posts and can go anywhere in the garden: over an outdoor kitchen, beside a pool, at the end of a lawn or over a spa. Because it is not tied to the house, the posts and beams are sized and braced to stand on their own. See free standing pergolas.
Aluminium frames are powder-coated in a factory finish that comes in a wide range of colours, including many that match Colorbond gutters, fascias and window frames. Dark charcoal and black suit modern homes in Vermont South and Burwood East, while lighter greys and creams sit well against older brick in Box Hill and Mont Albert.
Peak Pergolas Box Hill
Aluminium is one of three frame materials used for pergolas. Each has a place, and the choice depends on span, upkeep and the look of the house.
Aluminium is light, naturally corrosion resistant and finished in powder coat, so it needs no painting or oiling and keeps its colour for years with a simple wash. It suits medium spans, slatted designs and opening roofs, and it is the natural choice where low upkeep is the priority.
Galvanised steel is stronger for its size, so it spans further with fewer posts. It is used for large patios, wide carports and long beams where aluminium sections would need to be very deep. Steel is usually finished in Colorbond colours or powder coat. See carports.
Timber gives a warm, natural look that suits established gardens and older homes, and it can be shaped and detailed in ways metal cannot. It does need regular oiling or painting to stay sound in a wet climate. See timber pergolas.


Peak Pergolas Box Hill
An aluminium pergola is low maintenance, but only if it is built to shed water and stand firm. Peak Pergolas builds each one for the rain and the ground it sits on. The same team measures the house in Box Hill or anywhere in Whitehorse, draws the pergola, arranges the engineering and permit, and builds it, so the falls and fixings agreed at the measure are the ones built on the day.
With about 850 mm of rain a year spread over 115 days, a roofed aluminium pergola carries a lot of water. The roof is set with a fall to a gutter sized for its area, and louvre and integrated-gutter systems carry water down through the posts. Downpipes connect to the stormwater system, so water does not pool on paving or run back toward the house.
Aluminium posts are bolted to base plates on concrete footings, and each footing is sized for the site class set by a soil test under AS 2870. Base plates keep the post ends off the concrete so they stay dry and clean, and footings are placed to avoid drains and the roots of established trees.
Whitehorse City Council's rules require a building permit for any structure attached to the house and any roof area over 10 square metres, which covers most roofed aluminium pergolas. Footing, beam and wind engineering is prepared with the drawings, the property is checked on Whitehorse Maps for overlays, and the application is lodged as part of the job. See pergola permits.
Peak Pergolas Box Hill
Every aluminium pergola is priced from a free measure and a written, itemised quote, so each part of the job can be seen on its own line.
The size of the pergola drives most of the cost. An open slatted pergola is the most economical, a Colorbond or clear roof adds sheets, gutters and downpipes, and an opening louvre roof sits at the top of the range. Standard powder-coat colours are included, while special colours or two-tone finishes can add a little.
Where an old timber pergola or patio has to come down first, removal and disposal are listed separately, along with repairs to the fascia or gutter it was fixed to. A sloping block needs taller posts at the low end, and a yard without side access takes longer to build in.


Peak Pergolas Box Hill
Aluminium pergola kits are widely sold, and for some yards they are a sensible option. The difference is in what the kit leaves to the owner.
A kit supplies the posts, beams, roof or slats and fixings in set sizes. It usually leaves out the footings, any engineering, the permit, the stormwater connection, flashing to the house and the labour to put it all together. On a level, open site with no attachment to the house, a kit can work well.
A custom pergola is measured and drawn for the actual house, so it can be attached at the right height, fit an odd-shaped alfresco, clear a low eave, avoid tree roots and drains, and come with the engineering and permit already handled. Where the pergola is attached, roofed or over 10 square metres, a custom build is usually the more practical choice.

A visit to measure the house and the yard, talk through materials, roofs and colours, and then a written, itemised quote.

Drawings and engineering are prepared for the site, overlays are checked and the building permit is lodged.

Footings, frame and roof are built and inspected at each stage, the site is cleaned up and the finished structure is handed over.
The cost depends on the size, the roof type and the site. An open slatted pergola is the most economical, a Colorbond or clear roof costs more, and an opening louvre roof costs the most. Removing an old pergola and a sloping block add to the price. A free measure gives a written, itemised quote.
Aluminium needs no oiling or painting and cannot rot, which suits a wet climate and owners who want low upkeep. Timber has a warmer, natural look but needs regular care. Both last well when built properly.
No. Aluminium forms its own protective surface and does not rust, and the powder-coat finish adds a further layer. Stainless or coated fixings are used so nothing stains the frame.
Usually, if it is attached to the house or has a roof over 10 square metres. Whitehorse City Council's rules set those limits, and some properties also need a planning permit because of an overlay. This is checked at the measure and the application is handled as part of the job.
Yes. Powder-coat colours include many that match Colorbond gutters, fascias and window frames, and the roof sheets can be chosen in the same colour range.
The space is measured, along with the house fascia, window heads, drains and the fall of the ground. Designs, roof types and colours are talked through, and a written, itemised quote follows.
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