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Rooms, cabins & buildings in Gauteng

Granny Flats in Randburg

Free granny flats quotes from granny flat builders and prefab suppliers serving Randburg, Gauteng. One request, no obligation.

A small cream fibre cement granny flat cottage, at a family home in Randburg
Granny Flats, RandburgBL-01 RAN
Suits
Parents, grown children and backyard tenants
Common here
Wendy houses on decks for sloping gardens, nutec rooms in Cosmo City
Getting it there
Local yards in Kya Sand and Strijdom Park; steep driveways may need a smaller truck
Weather
Lightning on the ridges, hail in summer storms, cold clear winters
Local yards
Timber yards and erectors in Kya Sand, Strijdom Park and Randburg industrial

Getting a unit onto a stand in Randburg is as much about access as about the building. Describe both in a free request for granny flats in Randburg, and a builder serving Randburg and nearby parts of Gauteng will price it.

Granny Flats in Randburg

Planning a granny flat in Randburg? Say how big it must be, how many bedrooms and bathrooms, where it will stand on the plot, and whether you already have approved plans and a slab. Builders and suppliers who work in Randburg and across Gauteng will quote the unit, the slab and delivery.

The main granny flats page explains the options, the rules and the costs in more detail.

What to know locally in Randburg

Granny flats in Ferndale, Fontainebleau and Kensington B are often for students and young workers, and many owners rent them out. Steel frame houses suit plots in Northriding where owners want a quick, insulated build. Wooden cabins appear in larger gardens near the Klein Jukskei. Site offices serve retail and road projects around Northgate and Malibongwe Drive, and schools in Cosmo City ask about prefab classrooms.

Sizes run from small studios to 2 bedroom units. Before you agree to anything: approved plans needed: it is a dwelling.

Building prefab in Randburg

Sloping stands are the first thing to plan for in much of Randburg. Gardens in Northcliff, Blairgowrie and Linden fall towards the spruits, so a wendy house or cabin often sits on a timber deck with stilts or plinths rather than a slab. Ferndale and Bromhof have older family homes adding garden flats and studios, while Cosmo City, out to the north west, has a strong market for nutec backyard rooms and second units. Kya Sand and Strijdom Park hold workshops, timber yards and erectors, so supply is close by. Ridges like Northcliff take the brunt of lightning on summer afternoons, and hail can dent thin roof sheeting, so ask what gauge the roof is.

A small cream fibre cement granny flat cottage, at a family home in Randburg
A small cream fibre cement granny flat cottage, at a family home in Randburg

The requests we see from Randburg usually come from:

  • Homeowners: a cottage behind the main house for an elderly parent or a grown child
  • Backyard landlords and families: a 1 or 2 bedroom unit on the plot let out for steady monthly rent
  • Shops, offices and small businesses: a small consulting room or office unit beside a house, where zoning allows it
  • Schools and creches: a cottage on school grounds for a caretaker or a teacher living on site

Before you ask for prices in Randburg

Common here: wendy houses on decks for sloping gardens, nutec rooms in Cosmo City. Ask each supplier or builder about this: ask whether the quote includes a raised deck or plinths for a sloping garden. Where they work from: timber yards and erectors in Kya Sand, Strijdom Park and Randburg industrial.

For homeowners, the biggest group here, granny flats usually means a cottage behind the main house for an elderly parent or a grown child. Getting it to site: local yards in Kya Sand and Strijdom Park; steep driveways may need a smaller truck.

Where we take requests around Randburg

From Northgate to the middle of Randburg, the suppliers who quote here know the roads in. Say how wide your gate is and where the truck can stand, and the price will include it.

Frequently asked questions

What do granny flats cost in Randburg?
In Randburg the delivery and the ground often move the price as much as the building does. There is no fair published range for this, so compare written quotes for the same job. Your request goes to granny flat builders and prefab suppliers near Randburg, who quote in writing.
How long does it take in Randburg?
For granny flats: often erected in days once plans are approved. Locally: wendy houses usually in 1 to 3 weeks; decks and stilts add time, ask for a date. Plans, the slab and the weather can add time, so ask for a date in writing.
What should I check before I order in Randburg?
Ask whether the quote includes a raised deck or plinths for a sloping garden. That matters for granny flats because of the local conditions: lightning on the ridges, hail in summer storms, cold clear winters. On delivery: local yards in Kya Sand and Strijdom Park; steep driveways may need a smaller truck. The pages on delivery and installation in Randburg and house plans in Randburg cover the steps around the build.
Does the Randburg council need to approve it?
Anything lived in, and most buildings bigger than a small shed, needs plans approved by the Randburg council under SANS 10400 before it goes up. Approved plans needed: it is a dwelling. Many suppliers can arrange plans or point you to a plan drawer.
Are you a prefab supplier in Randburg?
Not us: we are a free request service. The granny flat builders and prefab suppliers who receive your request are independent, and you deal with them directly, with no obligation to accept a quote.

Free quote request

Request granny flats quotes in Randburg

Fill in the build sheet the way you would explain the job in the yard: what it is for, the size on the ground, the rooms, how it gets to site and how to reach you. Suppliers and builders who work in your area quote you directly.

Build sheetFree, no obligation
Sheet
4220
Topic
BL-01
Mark
Backyard
Date
10.11.2026

1The job

2Size the floor plan (optional, it helps the quote)

Plan from above

Floor area
-
Verandah
-
Wall run
-
Estimate
-

A rule of thumb from published prices, not a quote.

3Delivery and when

4Parts list (optional)

  1. 01
  2. 02
Up to 12 lines: units, rooms, boards, a slab, delivery or work.
Needs and options

5Your details

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