Building Contractor in Diep River, Cape Town
Building Contractor in Diep River
68 Projects Building Co handles renovations, extensions, garage conversions, and damp and drainage work in Diep River — from our office in neighbouring Plumstead.
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Your Local Diep River Builders
Building on Low-Lying Ground Takes Local Knowledge
Diep River is named for the water running through it, and that is not incidental to building here. The ground is low and sandy, the water table sits close to the surface, and stormwater has to go somewhere. Extensions need foundations designed for the conditions, not assumed from a standard detail.
The housing stock is mostly solid single-storey homes from the 1940s to the 1960s on generous plots, with newer townhouse complexes filling former subdivisions and a light industrial edge along the Main Road side. Our office is in Plumstead next door, so we know this ground because we work on it every week.
Our Services
Building Services We Offer in Diep River
Whether you are adding a room, converting a garage for rental income, or finally solving a damp problem, we handle the whole job under one team.
Home Renovations
Full renovations that bring mid-century Diep River homes up to the way families live now.
Building Extensions
Extra bedrooms, bathrooms, and open-plan living added to single-storey homes on good plots.
Bathroom Renovations in Diep River
Modern, waterproofed bathrooms with quality tiling, plumbing, and finishes.
Roofing
New roofs, re-roofing, roof repairs, and waterproofing built for Cape Town weather.
Ceilings & Bulkheads
Ceiling installations, bulkheads, and cornices that lift the finish of any room.
Property Maintenance & Repairs
Damp treatment, drainage work, and ongoing repairs for owners and landlords.
Kitchen Renovations
Reworked layouts and new cabinetry that open up compact mid-century kitchens.
Structural Alterations
Garage conversions, flatlet additions, and removing walls with proper structural support.
Why Choose Us
We Price the Ground Conditions Honestly
The cheapest quote on a Diep River extension is often the one that has not looked at the foundations. Sandy, waterlogged ground can need a deeper or wider footing than a standard detail allows, and that cost is far better known before the build than discovered halfway through it.
- Our office is in neighbouring Plumstead, minutes from any Diep River site
- Real experience with damp and drainage on low-lying ground
- One team coordinating structural, roofing, plumbing, and electrical work
- Clear scope and written quote before any work starts
- Guidance on plans and approvals for extensions, flatlets, and conversions
- Clean, considerate work on occupied homes
Properties We Work On
Family Homes, Flatlets, and Rental Stock
Diep River mixes long-held family homes with newer complexes and a steady investment market. We work on both, and the approach differs — a family extension runs to your timeline, a rental turnaround runs to a handover date.
Single-storey family homes
1940s to 1960s face-brick houses
Larger erven and subdivided plots
Townhouse and sectional title complexes
Rental and investment properties
Small commercial and light industrial premises
How It Works
How a Diep River Project Runs
A clear process keeps your project on scope, on budget, and free of surprises from the first site visit to handover.
Site Visit
We are based in Plumstead next door, so we can get to your Diep River property quickly and assess the work.
Design & Plans
We plan the layout — an added room, a converted garage, a reworked kitchen — and handle drawings and approvals.
Detailed Quote
You receive a clear quote covering labour, materials, structural work, and finishes.
Construction
Our team carries out the build with attention to structure, weatherproofing, and detail.
Handover
We complete the finishes, check the work, tidy the site, and hand over your finished space.
Serving Diep River & Beyond
Based Next Door, Building Across the Southern Suburbs
Our office in Plumstead puts our team within easy reach of Diep River, Southfield, Wynberg, Bergvliet, Kirstenhof, Tokai, and Constantia — as well as the wider Cape Town area. Wherever your property is, we bring the same standard of workmanship, clear communication, and reliable project management.
Frequently Asked Questions About Building in Diep River
Common questions from Diep River homeowners — covering extensions, ground conditions and damp, garage conversions, rental maintenance, and quotes.
Do you work throughout Diep River?
Yes, across the whole suburb and the areas around it, including Plumstead, Southfield, Bergvliet, Kirstenhof, and Heathfield. Our office is in Plumstead, so we are only a few minutes away.
Diep River sits low and the water table is high. Does that affect building work?
It does, and it is the single most important local factor. Ground water sits close to the surface across much of the suburb, which affects foundation design for extensions, makes damp more likely in existing walls, and means stormwater has to be planned rather than assumed. We check ground conditions at the site visit and price the foundation and drainage honestly rather than discovering the problem mid-build.
Can you add a bedroom or bathroom to a 1950s Diep River house?
Yes. Most homes here are solid single-storey builds on a decent plot, which usually leaves room to extend at the back or the side. We handle the foundation, structure, roof tie-in, and finishes so the addition reads as part of the original house rather than an afterthought.
What causes the persistent damp in older homes here?
Usually a combination. Many houses predate proper damp-proof courses, the ground holds water, and decades of raised paving and garden beds have often lifted the external ground level above the internal floor. We diagnose the actual source before quoting, because treating the symptom alone means it returns within a season.
Can you convert a garage into a flatlet for rental income?
Yes. It is one of the most cost-effective ways to add income on a Diep River plot. It is a change of use and needs approved plans, and the on-site parking requirement for your zoning has to be checked first — losing a garage can put the property below the required number of bays.
Do you handle ongoing maintenance for landlords and letting agents?
Yes. We take on repairs, between-tenant refurbishments, and ongoing maintenance, working to a fixed handover date where a unit needs to be ready.
How do I get a quote?
Get in touch to arrange a free site visit. We assess the property, discuss your ideas, and provide a written quote covering the full scope of work.
Still have questions? We're here to help!
Contact UsPlanning a Building Project in Diep River?
We are minutes away in Plumstead. Contact 68 Projects Building Co for a free site visit, honest advice, and a clear quote for your Diep River building project.
Areas We Service
Based in Cape Town, we provide renovations, structural repairs, waterproofing and property maintenance across the Southern Suburbs, the Northern Suburbs and surrounding areas. We work on both residential properties and commercial or industrial premises. If your suburb isn't listed below, get in touch — chances are we cover it too.
Residential Suburbs
- Bakoven
- Bantry Bay
- Bellville
- Bergvliet
- Bishopscourt
- Bloubergstrand
- Brackenfell
- Camps Bay
- Century City
- City Bowl
- Claremont
- Clifton
- Clovelly
- Constantia
- Diep River
- Durbanville
- Edgemead
- Fish Hoek
- Fresnaye
- Gardens
- Goodwood
- Green Point
- Higgovale
- Hout Bay
- Kenilworth
- Kirstenhof
- Llandudno
- Meadowridge
- Milnerton
- Mouille Point
- Mowbray
- Muizenberg
- Newlands
- Observatory
- Oranjezicht
- Panorama
- Pinelands
- Plattekloof
- Plumstead
- Rondebosch
- Rosebank
- Salt River
- Sea Point
- Simonstown
- Southfield
- Sunset Beach
- Table View
- Tamboerskloof
- Tokai
- V & A Waterfront
- Vredehoek
- Welgemoed
- Woodstock
- Wynberg
Industrial Areas
Not sure if we cover your area? Reach out for a free site visit and quotation.
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