Terraces are some of Sydney's most loved homes, from Paddington and Surry Hills to Glebe, Newtown, Balmain and Redfern. They are also some of the most demanding to renovate. Narrow sites, shared walls, old structure and heritage controls mean the planning matters as much as the design.
1. Understand the structure first
Most Sydney terraces are well over 100 years old. Original walls are often load-bearing, footings can be shallow sandstone or brick, and timber floors may have suffered from damp and poor ventilation. Opening up the floor plan usually means steel beams, new footings or both, designed by a structural engineer. Getting the structure assessed before finalising the design avoids expensive surprises.
2. Party walls and neighbours
Terraces share walls with the houses next door. Work on or near a party wall affects your neighbours, and can affect their homes too. Plan for:
- Early, friendly communication with neighbours.
- Dilapidation reports on adjoining properties before work starts.
- Fire separation requirements where walls are altered.
- Careful excavation and propping near shared footings.
3. Rising damp and old services
Rising damp, salt-damaged plaster, old wiring and tired plumbing are common in terraces. A renovation is the best time to fix them properly, before new finishes go on. Painting new plaster over an untreated damp wall is a fast way to ruin a renovation.
4. Heritage controls and approvals
Many terrace streets sit within heritage conservation areas, and some terraces are individually heritage listed. That can affect what you can change at the front, the materials you use and the approval pathway. A development application is common for terrace alterations and additions, while simpler internal works may need no approval. Check your council's controls early with your designer or builder.
5. Access and logistics
Narrow frontages, rear lane access (or none), street parking and skip bin permits all affect how a terrace job is run and what it costs. Materials may need to be carried through the house. A builder who has worked on terraces will plan for this from day one.
What drives terrace renovation costs?
- Structural work: beams, footings and underpinning.
- Remedial work: rising damp, masonry repairs and repointing.
- Heritage requirements for materials and detailing.
- Access, protection and working next to neighbours.
- The scope of new kitchens, bathrooms and any rear extension.
Because so much depends on what is behind the walls, the most reliable starting point is a site inspection and an itemised quote, rather than a per-square-metre guess.
Renovate your terrace with a builder who knows old buildings
We have worked on Sydney's older homes for over 40 years, including heritage properties in Darlinghurst, Enmore and Vaucluse. See our renovation service, or get in touch for a free site inspection.
