Outdoor Living and Alfresco Decking for Tasmanian Homes

An alfresco or deck is one of the highest-return investments in a Tasmanian new home — when it's designed for the climate. Tasmania's weather demands more than a timber platform and a pergola: wind direction, rain, and low winter sun angles all shape what actually works. Here's how to plan outdoor living that's used year-round, not just on the handful of perfect summer days.

Why Outdoor Living Works Differently in Tasmania

Tasmania sits between 41°S and 43°S latitude. Winter sun angles are low (around 25–30° at noon in mid-July), wind comes predominantly from the west and south-west, and annual rainfall ranges from around 600 mm in Launceston to over 1,000 mm along the north-west coast. A deck or alfresco designed without considering these conditions will be cold, wet, and underused for much of the year.

The difference between a great Tasmanian outdoor living area and a disappointing one usually comes down to three things: orientation, covering, and windbreak. Get these right and you can have a genuinely comfortable outdoor room from September through May and even into winter on still days.

Orientation and Positioning

A north-facing alfresco is the default target — it captures low winter sun and can be shaded from high summer sun with appropriate eave depth or louvres. A well-positioned eave overhang (typically 600–900 mm in Tasmania's climate zones) shades the outdoor space in midsummer when the sun is high but allows winter sun to penetrate when it's low.

East-facing outdoor areas work well for breakfast spaces — morning sun, sheltered from the afternoon westerly. West-facing alfrescos catch afternoon sun and can be spectacular in summer but expose occupants to the prevailing westerly winds in spring and autumn. A south-facing deck is challenging in Tasmania but can be made comfortable with sufficient overhead covering and wind protection — it just won't be a sun trap.

For passive solar design in the main home and how orientation interacts with the broader build, see our guide to passive solar design in Tasmania.

Covered vs Open: What Tasmanian Weather Demands

In most Tasmanian climates, an uncovered deck is a fair-weather-only proposition. A covered alfresco — whether it's a simple pergola with a polycarbonate or Colorbond roof, a fully integrated alfresco with ceiling fans and lighting, or a blade louvre system — extends usability dramatically.

Covering options range from:

• Pergola with fixed roofing (Colorbond or polycarbonate): The most common and cost-effective solution. Provides full weather protection. The roof pitch should direct water away from the house. Translucent polycarbonate sheeting admits diffuse daylight but can be noisy in heavy rain. Colorbond is quieter and more durable but creates a dark underside.
• Adjustable blade louvre systems: Aluminium louvre roofs can be opened fully for sun and closed against rain — the premium option with the most flexibility. Price reflects this: a quality louvre system adds significantly to the budget but delivers a genuinely all-season outdoor room.
• Fully integrated alfresco (same roof plane as the house): In new construction, the most architecturally resolved option is an alfresco that's part of the main roof structure — a covered outdoor room rather than a structure attached to the house. This reads as part of the building rather than an add-on and performs better thermally because there's no cold junction between the house and the outdoor area.
• Retractable awnings and shade sails: Suitable for summer shade on south or east-facing aspects but won't provide rain protection. Not recommended as a primary covering in Tasmania's climate.

Decking Materials for Tasmania

Material choice has real consequences in Tasmania's climate — UV exposure at southern latitudes is lower but moisture and frost can be demanding on timber over time. The main options:

If your site is in a Bushfire Prone Area, your site's BAL rating (Bushfire Attack Level under AS 3959-2018) determines which materials are permitted for exposed decking and structural elements. Decks within BAL-29 zones generally require treated timber of a specific durability class; BAL-40 and BAL-FZ require non-combustible framing and cladding. Your building surveyor or designer can confirm what applies to your specific site — or see our guide to bushfire-rated building in Tasmania.

Building Approvals for Decks and Alfrescos

Under Tasmania's Building Act 2016, building work is classified by risk level — some work is low-risk and doesn't require a building permit; other work requires a Certificate of Likely Compliance from a building surveyor and a permit issued by your local council.

For decks and alfrescos, the permit requirement depends on the structure's height above ground, its floor area, proximity to boundaries, and whether it's attached to the house. As a general guide: small, low-level structures may fall within low-risk classifications, while larger or elevated decks typically require a building permit. When an alfresco is part of a new home build, it's included in the main building permit application.

Always check with your local council or a registered building surveyor before starting construction — permit requirements vary and the consequences of building without a permit when one is required can be significant. For a full overview of how permits work in Tasmania, see our building permits guide.

Planning Outdoor Living into a New Home Build

The best time to plan your outdoor living area is at the design stage, not as an afterthought. When an alfresco is designed as part of the house — sharing the roof structure, with power and lighting pre-wired, drains roughed-in for a future outdoor kitchen or spa — the result is always better integrated and more cost-effective than adding it after construction.

Key decisions to make at design stage:

• Covered or open? What covering type suits your budget and lifestyle?
• Future outdoor kitchen? Pre-wire for power and data; rough-in a gas stub or drainage point.
• Hot tub or spa? Structural loading and power requirements need to be in the slab and electrical design from day one.
• Privacy screening? Specify this in the landscape plan — it affects how usable the space is once you move in.
• Lighting and heating? Surface-mounted or recessed heaters and dimmable lighting make an alfresco genuinely comfortable into the evening year-round.

See how site orientation, solar access, and outdoor living connect in our guide to choosing land in Tasmania.

Indicative Costs (Industry Estimates — 2026)

Outdoor living costs vary widely depending on structure type, size, materials, and finish level. The following are indicative industry-wide ranges for Tasmania to help frame early budget conversations — get builder or tradesperson quotes for your specific project.

• Basic deck (treated pine, ground level, no cover): $250–$500/m² supply and install
• Hardwood or composite deck: $400–$800/m² supply and install
• Simple pergola (timber post and beam, Colorbond roof): $600–$1,200/m² including structure and roofing
• Integrated alfresco (part of new home, fully finished): $1,000–$2,500/m² depending on inclusions and finish
• Blade louvre roof system: $800–$1,800/m² for the louvre structure alone
• Outdoor kitchen (basic bench, sink, BBQ): $8,000–$25,000+ depending on appliances and finishes

When building a new home with Davies, outdoor living areas are priced as part of the overall contract estimate, so you can see the full cost before committing. See our Pricing Guide for how Davies structures cost transparency.

Frequently Asked Questions

Does an alfresco or deck need council approval in Tasmania?

It depends on the structure's size, height, and attachment to the house. Small, low-level decks may fall within low-risk categories that don't require a building permit, but larger or elevated decks and attached alfrescos generally do. When included in a new home build, the alfresco is covered by the main building permit. Check with your local council or a registered building surveyor for your specific situation.

What's the best decking material for coastal Tasmania?

For coastal environments, composite decking (timber-plastic composite) or hardwood with a high durability class are the most resilient choices. Composite requires minimal maintenance and doesn't silver or splinter the way natural timber can. Treated pine can work in less exposed coastal situations but requires regular oiling to maintain its condition. Avoid low-durability timbers in salt-exposed locations.

Should I include an outdoor living area in my new home contract or do it later?

Including it in the original contract is almost always more cost-effective. When the alfresco is designed and built as part of the house, the roofline, drainage, electrical, and structural elements are coordinated from the start. Adding it later means separate trades, potential disruption to existing surfaces, and often a less-integrated result. Even if budget is tight, roughing in the conduits and drainage points during construction saves significantly when you're ready to build it out.

How do I make a covered alfresco feel like an outdoor room rather than a carport?

The main differences are: (1) lighting — layered ambient and task lighting makes the space functional at night; (2) heating — a ceiling-mounted electric or gas heater rated for outdoor use extends the season significantly; (3) privacy — screening on exposed sides using glass louvres, screens or plantings; and (4) flooring — a continuous floor surface from inside to out (tile or concrete) reads as intentional rather than utilitarian. A 100mm step down from the indoor floor level to the alfresco also helps define the transition without creating a gap.

Ready to Design Your Outdoor Living Area?

At Davies, we design outdoor living as part of the whole home — not as a last-minute addition. Whether you're starting from scratch or have a clear vision, we can show you what's achievable at your budget and help you get the most out of your site. Get in touch to start the conversation.