Get Accurate Decking Prices Per m2 And Schedule Skilled Deck Installation In Johannesburg, Roodepoort, Sandton, Randburg, Eastrand, Midrand, Centurion & Pretoria
Decking prices per m2 are outlined with clear, practical figures so you can see ballpark ranges for a new deck across Gauteng. Our guide covers common materials, installation bands, and the usual site extras that shift the final cost.
In short: treated pine, Saligna and popular hardwoods sit in distinct bands, while composite, PVC and bamboo options offer different value and upkeep. We also explain how labour in Johannesburg, Pretoria and nearby areas affects final pricing.
Read this first to make sure you understand how material supply, substructure and site conditions map to the headline numbers and where provisional allowances usually appear.
We will add comparison tables for materials, warranties and upkeep so you can shortlist fast. Use our concise layout to balance initial price with long‑term value before you ask contractors for quotes – Contact Us
Gauteng at a glance: what decks cost right now – Decking Prices Per m2
Here’s a concise market snapshot to help you gauge likely costs for a Gauteng build. We summarise national bands, then overlay local labour and access factors that shift a final quote.
Current market ranges in South Africa vs Gauteng reality
Countrywide material bands run from affordable softwood to premium composite and PVC. In south africa, treated pine starts low while premium composites and PVC sit at the top end.
In Gauteng, labour in Johannesburg and Pretoria typically adds R400–R600 per square for standard installs and R800–R1,200 for complex work. Substructure commonly represents 30–40% of the total cost.
Quick-reference table: typical price bands by material and install
| Material | Supply range (R/m²) | Install band (R/m²) | Warranty / Upkeep |
|---|---|---|---|
| Treated pine | R950–R1,200 | Standard R400–R600 | 5–10 yrs / regular sealing |
| Saligna / mid hardwood | R1,100–R1,400 | Standard to complex R400–R1,200 | 7–15 yrs / occasional oiling |
| Composite / composite decking | R1,800–R2,800 | Standard R400–R600 | 10–25 yrs / low upkeep |
| PVC / Bamboo | R1,400–R4,000 | Varies — complex jobs cost more | 10–25 yrs / minimal to medium upkeep |
“Local access, waste removal and narrow parking can nudge final pricing more than material choice in inner-city sites.”
Quick tip: compare supply-only figures with installed quotes and include substructure and fixings when you total the project cost.
Decking Prices Per m2: what you should actually budget
Budgeting a new deck starts with separating board supply from the install work — that split changes the final bill more than most owners expect.
Material-only bands give a clear starting point: Pine R950–R1,200; Saligna R1,100–R1,400; Garapa R1,200–R1,600; Massaranduba R1,300–R1,700; Balau R1,400–R1,800; WPC R1,800–R2,500; Premium composite R2,200–R2,800; PVC R2,500–R4,000; Bamboo R1,400–R2,000.
Installation in Gauteng commonly sits at R400–R600 for standard builds and R800–R1,200 for complex work. The substructure usually represents 30–40% of the total cost, so include that share when you model total cost.
Material-only vs installed cost per square metre
We separate supply from install so your spreadsheet shows true cash outlay. Add the material band to the installation band and then allocate 30–40% of the total to the substructure line.
What’s included in a “per m²” price, and what isn’t
- Typically included: boards, framing, standard fixings, edge trims and basic site clean‑up.
- Common exclusions: staircases, balustrades, fascia, groundworks, demolition, access gear and waste removal.
We recommend asking contractors for an itemised inclusion list and adding a contingency for site complexities. We also invite adding comparison tables that track inclusions and exclusions across quotes so you can compare like for like.
Wood options in Gauteng: pine, saligna and premium hardwoods – Decking Prices Per m2
When we select wood for a Gauteng build, climate and budget guide our pick. Below we outline common supply bands and the practical differences that affect long‑term value.
Treated pine: from about R950-R1,200 material
Treated pine is the most budget-friendly entry to timber decks. It needs correct treatment class and routine sealing to hit expected life spans. We recommend well‑graded boards and acclimatisation to limit cupping.
Saligna: balancing durability and price (±R1,100-R1,400)
Saligna sits mid‑range. It gives a denser feel than pine and suits many suburban sites in south africa. Maintenance is moderate: cleaning and resealing keeps the grain fresh.
Balau, Garapa, Massaranduba: typical ranges and best-fit areas
Balau (R1,400‑R1,800) suits dry inland spots. Massaranduba (R1,300‑R1,700) excels near the coast. Garapa (R1,200‑R1,600) is versatile across climates.
| Species | Supply band | Durability | Best climate |
|---|---|---|---|
| Pine | R950–R1,200 | Medium (with treatment) | Inland suburbs |
| Saligna | R1,100–R1,400 | Good | Most Gauteng areas |
| Garapa | R1,200–R1,600 | Very good | All climates |
| Massaranduba | R1,300–R1,700 | Excellent | Coastal |
| Balau | R1,400–R1,800 | Excellent | Dry inland |
Tip: match species to your substructure and allow for lead times in Gauteng yards. We weigh upfront price against long‑term appearance and recommend a short list before you get quotes.
Composite, PVC and bamboo: low-upkeep choices and their price tiers – Decking Prices Per m2
If you want a long-life surface with minimal fuss, modern composites, PVC and bamboo deserve a close look.
Composite/WPC and premium ranges
WPC composite boards sit around R1,800–R2,500 and offer low upkeep and long life. Premium capped brands such as Eva‑Last push into R2,200–R2,800 with improved fade and scratch resistance and warranties near 20 years. We also note that many composite decking systems claim 25–30 years with simple cleaning.
PVC for wet or high-traffic sites
PVC boards (R2,500–R4,000) are waterproof and splinter-free, so they make sense around pools and busy outdoor rooms. Their colourfastness and slip performance can be worth the extra initial outlay.
Bamboo alternatives
Bamboo options (R1,400–R2,000) offer an eco angle and a dense, timber-like feel. They need less maintenance than some woods but still benefit from correct substructure and fixings.
- Maintenance: gentle washing only; avoid harsh chemicals or aggressive pressure washing.
- Warranty: check installation compliance to keep cover valid.
- Compatibility: hidden fasteners and joist spacing vary by material and influence final cost.
| Material | Price band | Warranty | Upkeep |
|---|---|---|---|
| WPC composite | R1,800–R2,500 | 10–25 yrs | Low – wash only |
| Premium composite (Eva‑Last) | R2,200–R2,800 | 15–20 yrs | Very low – stain/fade resistant |
| PVC | R2,500–R4,000 | 10–20 yrs | Minimal – waterproof |
| Bamboo | R1,400–R2,000 | 5–15 yrs | Moderate – periodic sealing |
Installation in Gauteng: labour rates, site complexity and savings – Decking Prices Per m2
Installation quality and site access often matter more than the board choice when you total a deck project. We explain the typical labour bands, how substructure drives the final bill and where you can save without cutting corners.
Standard vs complex installs
Standard installs (simple layouts) and complex builds
The Standard installation usually covers flat, single-level work and basic fixings. In Johannesburg this sits around R400–R600; in Pretoria roughly R380–R580 per square. Complex work adds stairs, multi-level geometry or balustrades and can push to R800–R1,200 in the city and R780–R1,150 in nearby hubs.
Why the substructure matters
Substructure typically equals 30–40% of the total. It governs drainage, ventilation and fastener performance. Good substructure protects warranties and reduces future repair money.
City snapshot
| Location | Standard | Complex |
|---|---|---|
| Johannesburg | R400–R600 | R800–R1,200 |
| Pretoria | R380–R580 | R780–R1,150 |
| Nearby hubs | R400–R620 | R800–R1,200 |
- Plan access and waste removal to avoid last-minute extras.
- Use efficient board layouts to reduce cut‑waste and save money.
- Professional installation keeps manufacturer warranty intact and lowers rework risk.
“Proper substructure and correct fasteners are worth the upfront spend — they save repair costs later.”
What pushes costs up or down: eight real-world factors – Decking Prices Per m2
Practical site realities — not polish — usually decide your final project spend.
We list the main factors that change a quote and explain why they matter. Complex installs in Gauteng can hit R800–R1,200/m² on labour when multi‑level layouts, detailed railings or heavy groundworks are involved. Expect the substructure to take 30–40% of the total where footing work is demanding.
Below we break down common drivers so you can spot likely swings in cost.
- Layout and patterning: angles, picture‑framing and herringbone add labour and waste.
- Stairs, railings and screens: extra fabrication, hardware and compliance work raise the bill.
- Height and groundworks: raised decks need bracing, longer posts and safety measures.
- Access and logistics: narrow passages, lifts or long carries slow crews and add fees.
- Site prep: demolitions, tree work and levelling extend programmes and line‑items.
- Soil and drainage: poor ground increases footing size and materials.
- Board lengths and joins: longer boards cut fixings and time but affect availability and transport.
- Weather delays: Gauteng storms can push labour time and overlap trades.
| Factor | Impact | How to reduce |
|---|---|---|
| Complex patterns | Medium–High | Choose simple layouts |
| Stairs & railings | High | Standardised balustrades |
| Access constraints | Medium | Plan deliveries and skips |
| Groundworks | High | Early site survey and soil test |
“Locking a clear scope and finishes schedule is the best way to avoid variations mid‑project.”
Total cost of ownership: maintenance, warranties and lifespan – Decking Prices Per m2
A simple yearly plan helps us see the real money a deck will use over time.
Annual upkeep: timber needs cleaning and resealing roughly every 2–4 years. Natural wood may need more frequent attention in full sun or under heavy use. Composite decking asks only light washing and occasional brush‑down.
Warranty terms: many composite systems in south africa carry guarantees, and some claim 25–30 year lifespans when cleaned correctly. Keep records, use approved fasteners and follow cleaning limits to protect cover.
Annual upkeep: wood vs composite over 10–25 years
We show likely chores and when they recur so you can judge effort and money across 5 and 20 years.
| Material | 5‑year cost (labour & upkeep) | 20‑year cost (labour, upkeep, partial replace) | Typical warranty |
|---|---|---|---|
| Natural wood | Low upfront, R6k–R12k | Higher – R40k–R70k (refinish & board replacement) | 5–15 years |
| Composite decking | Higher upfront, R10k–R18k | Lower long term – R25k–R40k (minimal works) | 10–20 years |
| PVC / premium composite | Highest upfront, R12k–R20k | Best longevity – R20k–R35k (minor repairs) | 10–20 years |
Keeping cover valid and best practice
- Use warm soapy water, soft brushes and avoid harsh solvents.
- Safe pressure‑wash limits: low PSI and a wide nozzle; check manufacturer guidance.
- Log every service and photo condition yearly for easier warranty claims.
“A modest extra at install for the right substructure and fixings saves money and hassle over the life of the deck.”
Budget examples and ready-to-use calculators – Decking Prices Per m2
We present short, practical BOQs and a Garapa bundle example so you can model a real project quickly. Below are three compact sample bills of quantities, a Garapa pack breakdown and a simple calculator outline to estimate totals for Gauteng projects.
Sample BOQs: 10 m², 20 m², 30 m²
| Area (m²) | Boards (supply) | Substructure | Fixings & waste | Labour (standard) |
|---|---|---|---|---|
| 10 | Garapa boards — 11 m | CCA pine joists | 10% waste + screws | R4,000–R6,000 |
| 20 | Garapa boards — 22 m | CCA pine joists | 10% waste + screws | R8,000–R12,000 |
| 30 | Garapa boards — 33 m | CCA pine joists | 10% waste + screws | R12,000–R18,000 |
Garapa material bundle (simple 300 mm-high deck)
Range: R7,500–R112,500 (ex VAT) depending on size and options. Typical pack includes turned poles, coach screws, CCA-treated substructure members, stainless steel screws and ~10.86 linear metres of 19×90 Garapa decking per set.
What you still may need: balustrades, rail fixings, delivery and waste removal when not included in the pack.
DIY kits vs professional install — break-even
- DIY works well for flat, single-level 10–15 m² decks if you have carpentry experience.
- Expect professional labour bands in Gauteng of R400–R600 (standard) and R800–R1,200 (complex).
- Break-even often occurs near 15–20 m² once time, tools hire and risk of rework are counted.
Quick calculator outline
- Input area (square meter) × board rate = board cost.
- Add substructure at 35% of combined material total.
- Add labour band (choose standard or complex).
- Include 10% waste, delivery and a contingency for steps/rails.
“Small design choices — board direction and using standard lengths — can cut material and labour by a noticeable margin.”
Tip: read supplier units (linear metre vs square metre) and convert using board width to avoid over‑ordering. We suggest adding your planned years of ownership to the calculator so you can weigh short‑term cost against long‑term value in south africa.
Decking Prices Per m2: Conclusion
We bring together the key figures and trade tips so your final plan balances cost and longevity.
Use the Gauteng reference bands — pine, Saligna, Garapa, hardwoods and composite — with the installation bands for Johannesburg and Pretoria to benchmark quotes. Remember the substructure usually takes about 30–40% of the total.
Composite decking often offers lower upkeep and 10–20 year warranty cover, while natural wood gives character and different maintenance needs. Fine-tuning design and planning installation steps up front saves money and time.
We will add tables and calculators to make per‑square comparisons easy. Share a sketch or site notes and we’ll help refine quantities, optimise installation and protect your long‑term value.
FAQ – Decking Prices Per m2
How much does decking cost in Gauteng right now?
Costs vary by material, finish and installation complexity. For basic treated pine material only we’re seeing roughly R950–R1,200 per square metre, while composite/WPC commonly sits around R1,800–R2,500. Installed prices depend on labour, substructure and site access, so a finished quote typically adds R400–R1,200 per square metre for installation.
What’s the difference between material-only and installed cost?
Material-only covers boards, fasteners and sometimes basic fixings. Installed cost includes labour, joists or substructure, fixings, site prep and waste removal. We usually budget an extra 30–40% for the substructure and add labour rates that rise with site complexity.
Are composite or wood options better for long-term value?
Composite often costs more upfront but needs far less upkeep and typically lasts longer without sanding or painting. Natural hardwoods like garapa or balau can last decades with good maintenance and offer a premium look, but they need sealing and regular upkeep which adds to lifetime cost.
Which wood species suit Gauteng’s climate best?
Saligna and treated pine work well for budget builds; garapa, balau and massaranduba suit areas where we want greater durability and stability. Choice depends on exposure, foot traffic and whether we want a longer service life with less ongoing maintenance.
How much does installation labour usually add to the total?
Standard installs generally add R400–R600 per square metre. Complex layouts, many steps, or higher decks with railing and specialised fixings can push labour to around R1,200 per square metre. Difficult access and groundworks also increase time and cost.
What factors most affect the total project cost?
Design complexity, height above ground, number of steps and railings, site access, waste removal and the chosen substructure material all influence cost. We also factor in finishes, warranties and any required municipal approvals.
How much maintenance should we expect each year for wood versus composite?
Softwood or hardwood decking generally needs annual cleaning and periodic oiling or sealing — plan on modest annual costs and a larger refresh every 3–5 years. Composite is low-maintenance: an annual clean and inspection is often enough, reducing 10–20 year upkeep costs compared with wood.
Do warranties differ between materials and brands?
Yes. Composite and PVC manufacturers often provide 10–25 year warranties on structural performance and fade resistance, while timber suppliers may offer shorter guarantees tied to treatment and correct installation. We always check terms, exclusions and required maintenance to keep cover valid.
When does PVC decking make sense over WPC or wood?
PVC can be a good choice where maximum moisture resistance and extremely low maintenance are priorities, for example near pools or in very exposed sites. It tends to be pricier upfront, so it suits projects where upkeep savings and longevity justify the extra cost.
Can we save money with a DIY install or a kit?
DIY or kits reduce labour costs but require skill, time and tools. For small, simple decks we often break even on DIY. For larger or complex decks — especially where a substantial substructure, waterproofing or steps are involved — professional installation usually avoids costly mistakes and delays.
How do we budget for substructure and groundwork?
The substructure can make up about 30–40% of total costs. We include joists, footings, posts and any earthworks or retaining work. If the site needs levelling, drainage or specialised footings, we add contingency to avoid surprises.
What are realistic sample budgets for small decks (10–30 m²)?
As a rough guide: a basic 10 m² treated-pine project including install might start around the lower thousands in rand, while a 20–30 m² composite project including substructure and installation can move into the mid-to-high tens of thousands. Exact totals depend on material choice and site conditions.
How do we choose between local and premium brands in South Africa?
Local brands often offer good value and parts availability. Premium imported brands may have longer warranties or advanced composite formulations. We compare warranty length, UV/fade resistance, slip ratings and proven performance in Gauteng’s climate before deciding.
What should we ask suppliers to get a proper quote?
Request a detailed breakdown showing material, joists/substructure, labour, fixings, waterproofing (if needed), waste removal and warranty details. Ask for references or examples of recent jobs in Johannesburg or Pretoria to assess finish and reliability.
Are there common hidden costs we should watch for?
Yes — drainage or groundworks, retaining walls, railings, specialised fasteners, permits and cartage for heavy hardwoods. Poor access can add crane or hoist fees. We recommend a site visit and a written quote that lists exclusions to avoid surprises.
