Home Renovations · Northern Suburbs
Home renovations Northern Suburbs wide — split-level and bush-block renovations, extensions and second storeys across Frenchs Forest, Forestville, Belrose, Killarney Heights, Davidson, Duffys Forest and Gladesville — one licensed builder, one contract, one point of contact.
Licensed NSW builder 357576C · Fully insured · 10-year workmanship guarantee
The Northern Suburbs have a house type all of their own: the 1960s and 70s split-level, stepping down a sloping block with the living areas on one level, the bedrooms half a flight up, and a rumpus or garage dug in underneath. They were clever houses for the terrain and they are still lovely to live in — but the kitchen is closed off from everything, the bathrooms are original, and the bush view the block was bought for is hidden behind a wall of small windows. Opening that up is structural work, not cosmetic: you are cutting into load paths on a house that is already stepping down a hill.
The site is what makes a Frenchs Forest or Killarney Heights renovation different from a flat block in the west. Access is tight, the driveway is steep, and a concrete pump often beats a truck that physically cannot get to where the work is. There are trees you are not allowed to touch, and on the bush fringe through Belrose, Davidson and Duffys Forest there is a BAL rating dictating what you are permitted to build with. None of that stops the job — it just has to be in the quote from day one. We take it on as a single builder, with every trade coordinated under one contract and one person you call about the whole project. Licensed in NSW (357576C), fully insured, and backed by a 10-year workmanship guarantee.
Home renovations Northern Suburbs owners take on are governed by two things more than anywhere else in Sydney: heritage controls and trees. Through Ku-ring-gai — Roseville, Lindfield, Killara, Pymble, Gordon and Wahroonga — heritage conservation areas are extensive, and they apply to whole streets rather than individual houses. What the street sees is assessed far more tightly than what happens at the rear, which is why most work up here is rear extensions rather than front alterations.
Trees are the constraint people underestimate. Tree preservation controls apply across the northern councils, and parts of this area carry remnant Blue Gum High Forest and Sydney Turpentine-Ironbark Forest, both listed as critically endangered ecological communities. A mature tree near the proposed footprint may require an arborist report, may require the design to move, and may simply have to stay. We check this before design rather than after, because a redesign at approval stage is expensive.
The housing stock splits cleanly. The Ku-ring-gai suburbs run to Federation and interwar homes — generous rooms, original detail worth keeping, and services that were last touched decades ago. Ryde, Eastwood, Denistone, Marsfield and Gladesville are mostly post-war and 1960s brick on good blocks. The first group is restoration and careful extension. The second is more straightforward: home renovations Northern Suburbs clients in that band are usually opening up kitchens and living areas and rebuilding bathrooms properly.
Slope and bushfire matter on the bushland fringes. Blocks backing onto the Lane Cove and Berowra valleys, and the western edges of Hornsby and St Ives, fall away steeply and can carry a Bushfire Attack Level rating that dictates glazing, cladding, decking and subfloor sealing. Steep access also changes how material reaches the site, which is a real line item rather than an afterthought.
Which council assesses the work varies more here than most people expect — Ku-ring-gai, Willoughby, Ryde, Lane Cove, Hunters Hill and Hornsby all cover parts of the region and each applies its own controls. We confirm which one applies, and whether the property sits in a conservation area, at the site visit.
One builder, one contract. Up here the coordination that matters is between the heritage consultant, the arborist and the certifier, because on a conservation-area block with a protected tree those three decide the design envelope before a single trade is booked. Licensed in NSW under builder licence 357576C, fully insured, ABN 67 640 946 667, family owned, over 20 years renovating Sydney homes, 10-year workmanship guarantee.
Heritage documentation and any arborist report sit at the front of a Ku-ring-gai program and routinely take longer than people expect, because both feed the design rather than following it. Once approval is settled, build time is conventional — weeks for a bathroom, longer for a kitchen, months for an extension. Matching original detail adds time at the finishing end rather than the start.
When you compare quotes up here, look for the heritage and arborist lines, and for how original detail is being handled. Matching a Federation cornice or a leadlight window costs real money, and a quote that has quietly substituted a plain modern equivalent will be cheaper and will look wrong for the next fifty years.
A last practical note. On most home renovations Northern Suburbs projects the design envelope is settled by heritage controls and trees before a floor plan exists. Establishing that first is what stops an architect drawing something that was never approvable, which is the most expensive mistake available up here.
Renovation cost is driven by scope and finishes more than anything else — but on these blocks, access and slope carry real weight too. As a guide, Northern Suburbs projects usually sit in these bands:
| Scope of renovation | Typical Sydney range |
|---|---|
| Single-room or cosmetic refresh — kitchen or bathroom, new finishes | $15,000 – $40,000 |
| Multi-room renovation — several rooms, some layout and services changes | $40,000 – $120,000 |
| Full-home renovation, extension, second storey or granny flat — structural work, additions, whole-home finish | $120,000 – $400,000+ |
| Heritage-sensitive restoration and rear extension — conservation area work | $180,000 – $400,000+ |
Ranges are indicative only and are not a quote for home renovations northern suburbs work. Your figure depends on the factors below — you get a fixed itemised price after a free site visit.
Yes — it is the single most requested job we get in Frenchs Forest and Forestville. The wall between the kitchen and living area on a 1970s split-level is very often carrying load, so it comes out with a properly sized steel beam and engineered support, not a punt with a lintel. Done right you get the open living and the bush outlook the block was bought for, and the house is structurally better than it was.
It is a cost, not a blocker — and we price it honestly. Where a truck cannot reach the work we pump the concrete, use smaller machinery, and allow the labour hours it genuinely takes to move material up or down the site. The quotes that come in suspiciously cheap on a steep block are usually the ones that never priced the access at all.
Usually yes, but the design has to respect the root zone. Northern Beaches and Ryde councils both protect significant trees, and an arborist report will set out what can be pruned, what has to stay, and how close a footing can go. It is better to find that out before an architect draws an extension straight through a protected canopy.
With a fixed itemised quote up front, and written variations if the scope changes — you approve any cost before it’s incurred. Older homes on these blocks throw up surprises: rock closer to the surface than expected, or a subfloor that has quietly taken water off the slope for twenty years. When they do, you hear about it in writing with a price attached, not at the end on the final bill.
Yes. It changes what you can do to the front of the house far more than the back, which is why most work here is rear extensions. Original roof form, verandah detail and front fencing usually have to stay. We work with your architect or certifier and manage the build side of the approval so it does not stall.
Then it gets assessed before design is locked in. Tree preservation controls apply across the northern councils, and parts of this area carry critically endangered forest communities. An arborist report may be required, the design may need to move, and sometimes the tree simply stays. Finding that out at approval stage rather than at concept stage is what makes it expensive.
Yes. Ceiling roses, cornices, timber fretwork, leadlight and window profiles can be matched or reproduced, and in a conservation area the council will usually require it on street-facing work. It costs more than plain replacement, so we price it explicitly rather than burying it.
On the north shore the gap is usually heritage detail and trees. A quote that prices plain modern replacements and assumes no arborist report will beat one that has priced matched joinery and a design worked around a protected tree — and only one of those two will get through a Ku-ring-gai approval intact.
Yes. After a free site visit you get a fixed itemised quote for your home renovations Northern Suburbs project, broken down by trade and stage. If scope changes it is written up as a variation with a cost and you approve it first.
It depends on scope, and the larger Federation and interwar homes up here often have room to isolate the work or a second bathroom to fall back on. A kitchen or a whole floor generally cannot be worked around because water and power get isolated. We tell you at quoting stage which weeks are liveable and which are not.
Yes — Roseville, Lindfield, Killara, Pymble, Gordon, Wahroonga, St Ives, Chatswood, Willoughby, Lane Cove, Ryde, Eastwood, Denistone, Marsfield and the surrounding areas. Home renovations Northern Suburbs wide is core work for us.
The same five steps on every Northern Suburbs renovation, so you always know where the project and the budget stand.
We walk the whole project with you, measure up, look at the fall of the block and how material can physically reach the work, and talk through what you want done.
A detailed written quote broken down by trade and stage — including excavation, retaining, concrete pumping or BAL-rated materials if your site needs them — so you can see exactly what you’re paying for.
We coordinate with your architect, certifier or arborist and manage the build side of Northern Beaches or Ryde Council sign-off, whether that’s complying development or a full DA.
Every trade is scheduled and supervised by us under the one contract, and you have one person to call about progress at any time.
A final walk-through with you, a clean site, all certificates and warranties handed over, and a 10-year workmanship guarantee on the build. Every one of our home renovations northern suburbs projects finishes this way, and if something needs attention later you call the same person who ran the job.
We renovate across the northern suburbs — Frenchs Forest, Forestville, Belrose, Killarney Heights, Davidson, Duffys Forest, Terrey Hills, Beacon Hill, Allambie Heights, Gladesville and the surrounding areas, across both Northern Beaches and Ryde councils.
Yes — they are a large part of what we do up here. The usual brief is to remove the wall closing the kitchen off from the living areas, lift the ceiling or the glazing to bring the bush outlook in, and rework the bathrooms. Because the house steps down the slope, those walls are frequently structural, so the job is engineered with a properly sized beam and supports rather than guessed at.
Yes. A BAL rating doesn’t block the renovation — it sets the construction standard for glazing, screening, decking, cladding and how eaves, vents and the subfloor are sealed against embers. On the bush-backed blocks through Belrose, Davidson, Duffys Forest and Killarney Heights it is a normal part of the job. We build to the BAL your assessment specifies and price those materials into the quote up front.
Yes, and any builder who tells you otherwise has not priced it. Slope brings excavation, retaining and sometimes piering before a wall goes up, and difficult access adds labour and equipment — a concrete pump instead of a truck chute, smaller machinery, and material carried in by hand. We put those items on the quote as their own lines so you can see exactly what the site is costing you and what the building is costing you.
Almost certainly. Northern Beaches and Ryde councils both have tree and vegetation controls, and significant trees are protected regardless of whose land they are on. An arborist report tells you what can go, what must stay and how close you can build to a root zone — and it is far cheaper to get that before the design than after.
A cosmetic single-room refresh is typically $15,000–$40,000, a multi-room renovation $40,000–$120,000, and a full-home renovation, extension or second storey $120,000–$400,000+. Steep sites, difficult access and BAL-rated bushfire materials push a job toward the upper end of its band. You get a fixed itemised quote after a free site visit.
Tell us about your home and what you want to change. We have been running home renovations Northern Suburbs wide for over 20 years, and the first conversation costs nothing. We’ll arrange a free site visit and give you a fixed itemised quote — no obligation.
Prefer to talk? Call 0452 530 716 — we answer during business hours.