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Sloping Block Builders in Brisbane, From Design to Handover
HEW Projects builds homes on sloping blocks across Brisbane, Logan and the southside as a QBCC licensed builder (licence 15267396) and Master Builders Queensland member. We design split level and stepped homes around the land, plan retaining, drainage and engineering early, and build through to handover. Send us your block details and book a chat about your site.
A sloping block can give you views, breezes and a home with real character, but only if the design starts with the land. HEW Projects is a QBCC licensed builder (licence 15267396) and Master Builders Queensland member (member 087220) based in Slacks Creek, building custom homes across Brisbane, Logan and the southside. Our director, Wale Makinde, holds bachelor’s and master’s degrees in architecture, so design and buildability are worked through together from the first sketch.
In Bridgeman Downs, we designed a custom home from scratch for a young family on an uneven block. Instead of flattening the site, we stepped the house with the land, which gave some rooms up to three metres of headroom and the home two internal staircases.
Ways to Build on a Sloping Block
There is no single right answer. The best approach depends on the fall of the land, the soil, the access and how you want to live.
Split Level Homes
The floor plan is broken into levels that follow the land, often half a level apart. Living areas can open onto the yard while bedrooms sit higher for privacy and views, with far less excavation than a single flat slab.
Stepped Slab Designs
The slab itself steps down the block in sections. It suits moderate slopes and keeps most of the home on the ground, while the steps create taller ceilings and natural zones between rooms.
Cut and Fill
The high side is excavated and the low side filled to make a flat pad for a standard slab. It can work on gentle slopes, but steeper sites need retaining walls, compaction and drainage that add to the scope.
Suspended Floors on Piers
On steep blocks, the home can sit on engineered piers or posts with a framed floor. The land underneath stays largely untouched, and the space below can become storage, parking or a deck.
Planning a Split Level Home in Brisbane
Brisbane is a city of hills. From the western suburbs to the northside and the ridges of the southside and Logan, plenty of blocks fall several metres from front to back or side to side. The first step is a contour survey and a soil test, which show exactly how the land falls and what the footings will sit on. A structural engineer then designs the footings, slabs and any suspended floors to suit the site classification.
Split level and stepped designs also help manage height. In most residential areas, Brisbane’s planning rules limit how tall a house can be, measured from the ground, so stepping the home with the slope can keep it within limits while still giving you generous ceilings inside. Character, heritage, flood and overland flow overlays shape the design too, and we work through them before plans are finalised. In Bardon, we renovated a split-level home with a heritage-listed street façade, lifting the original house and building a new level underneath while the frontage stayed as the street remembers it.
Retaining, Drainage and Site Access on a Slope
Water and access are the two things that catch people out on sloping sites. On an uphill block, overland flow from the street and neighbours needs to be diverted around the house, with cut-off drains and agricultural drains behind any retaining walls. On a downhill block, stormwater has to reach a lawful point of discharge, which can mean an easement through a neighbour’s land or a pumped system, and that is best known before you design.
In Queensland, retaining walls over a metre high, or within about one and a half metres of a building or another wall, generally need engineering and building approval. Access matters as well: steep or narrow driveways can limit the size of machinery, concrete trucks and deliveries, so the build is planned around what can physically get onto the site. We look at all of this on a free site visit, so your design and quote reflect the real block, not a flat one on paper.
Our Custom Home Build Process
1.
Free Consultation
We meet on your block or at our Slacks Creek office to talk through your brief, your block and your timeline.
2.
Design and Approvals
We work with you and your designer on plans, engineering and building approvals before anything is built.
3.
The Build
Your site supervisor runs every trade and keeps you updated at each stage of construction.
4.
Handover
A final walk-through together, defects closed out and the keys to your new home.
What Our Local Clients Say
Sloping Block Building FAQs
A slope usually adds site work such as excavation, retaining, drainage and engineered footings, but the design has a big say in how much. We quote every home on its own scope after a free site visit, and we can show you how different design approaches change that scope.
It depends on how steep the block is, the soil and how you want the home to flow. Gentle slopes can often be cut and filled for a single slab, while steeper blocks usually suit a split level, stepped or suspended design that needs less excavation and retaining.
Yes. Every new home needs footings designed for its site, which starts with a soil test and site classification. On a sloping block, the engineer also looks at retaining, drainage and any suspended floors.
Yes. We can design from scratch, as we did for our Bridgeman Downs home, or build from plans prepared by your own designer or architect.
Yes. We are based in Slacks Creek and build custom homes across Brisbane, Logan, Ipswich, the Redlands and the Gold Coast, including the hillier suburbs of the southside.
Often, yes. On the low side of a sloping block, the space under the home can become a garage, storage, a rumpus room or a full lower level, depending on the height available, the design and council rules.
A split level home sets parts of the floor at different heights, stepping down the slope with short flights of stairs between levels. It suits blocks where cutting the site flat would mean large retaining walls or lost views. We look at the fall of your land early and design the levels around it.
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