An extension is building work with a kitchen at the end of it. The shell, the plans, the engineer and the approval come first, and the cabinetry is the last and smallest part.
Where the plot allows, extending is sometimes cheaper than reworking a difficult internal layout. Internal options are under Kitchen Renovations Cape Town.
Say roughly how many square metres you want to add and whether you have plans.
Get a Kitchen Extension QuoteThe Sequence
- Feasibility - building lines, coverage limits and what the zoning allows.
- Plans drawn and submitted to the City of Cape Town.
- Structural engineer's design for foundations and any beams.
- Approval, which can take considerably longer than the build.
- Shell: foundations, walls, roof, glazing.
- Services, then the kitchen fit-out.
Kitchen Extension Prices in Cape Town
| Item | Indicative range | What moves it |
|---|---|---|
| Extension shell | R9,000 – R18,000 per m² | Foundations, walls, roof. |
| Typical 12 m² extension shell | R110,000 – R220,000 | Before the kitchen fit-out. |
| Plans and council submission | R12,000 – R35,000 | Draughtsman plus council fees. |
| Structural engineer | R6,500 – R20,000 | Foundations and beam design. |
| Roof and ceiling | R1,800 – R4,500 per m² | Pitch and covering dependent. |
| Sliding or stacking doors | R12,000 – R45,000 | Size and frame material. |
| Kitchen fit-out inside the extension | R85,000 – R250,000 | Cabinetry, stone, appliances. |
| Total extension plus kitchen | R220,000 – R550,000+ | The realistic all-in figure. |
These are indicative market ranges, not a quotation. They are compiled from published South African kitchen pricing to give you a starting point for budgeting. They are not the rate card of any company on this platform.
Check the building lines and coverage limits before paying for plans. On smaller Cape Town plots the permitted footprint is often already used up, and that is a cheap thing to establish and an expensive thing to discover late.
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Frequently Asked Questions
How much does a kitchen extension cost?
The shell runs R9,000 to R18,000 a square metre, so a 12 m² extension is R110,000 to R220,000 before the kitchen goes in.
All-in with the fit-out, budget R220,000 to R550,000 and upward.
Do I need council approval to extend a kitchen?
Yes. Any increase in floor area needs approved plans from the City of Cape Town, plus a structural engineer's design.
How long does an extension take?
The build is typically eight to sixteen weeks. Plans and approval beforehand often take just as long again, and that stage is outside the builder's control.
Is extending cheaper than remodelling?
Rarely per square metre, but sometimes overall - particularly where the internal layout is genuinely unworkable and a wall you would need to remove is load-bearing.
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