Knysna & Garden Route, South Africa

BUILD
IT RIGHT.
BUILD IT
TO LAST.

G23 Construction handles residential and commercial renovations, alterations, and property maintenance — delivered on time, on budget, and built to the highest standard.

Get a Free Quote View Our Work
Outdoor entertainment area — hot tub, pool deck and stone wall, Knysna

What We Do

WE DO IT ALL

From a leaking roof to a full commercial fit-out — if it involves a building, we can help.

Discuss Your Project

Residential Renovations

Kitchen and bathroom remodels, extensions, internal alterations, and full home renovations. We treat your home with the same care we'd give our own.

Commercial Fit-Outs

Offices, retail spaces, restaurants, and industrial properties. We minimise downtime and deliver a professional finish, on schedule.

Alterations & Extensions

Adding a room, converting a garage, or opening up a floor plan — we handle all structural and non-structural alterations with full council compliance where required.

Building Maintenance

Planned and reactive maintenance for residential and commercial properties. Roofing, plastering, waterproofing, painting, paving, decking — we keep your property in top shape.

Repairs & Restoration

Structural repairs, damp proofing, storm damage, and heritage restoration. We diagnose problems properly and fix them to last — not just cover them up.

Property Improvements

Outdoor entertainment areas, braai rooms, carports, boundary walls, fencing, and landscaping hardscaping. We add value where it matters.

Our Work

BEFORE & AFTER

Drag the slider on each project to see the transformation. Every job, no matter the size, gets the same level of attention.

Before After
Cracked ceiling Mid-repair Completed

Maintenance · Knysna

Verandah Ceiling Repair & Repaint

Cracked and damaged tongue-and-groove ceiling boards stripped back, new boards fitted, and the entire ceiling repainted to a clean, uniform finish.

  • 1 Cracked & water-damaged boards identified
  • 2 Damaged sections removed, new T&G boards fitted
  • 3 Full ceiling sanded, primed, and repainted
Before After
Raw interior Before exterior Doors open Completed

Residential · Knysna

Under-Deck Storage Enclosure

Open under-deck space converted into a secure, weatherproof storage room — framed, clad, stained to match the deck, and fitted with lockable double doors.

  • 1 Raw open space — no enclosure, no flooring
  • 2 Frame built, boards fitted, floor tiled
  • 3 Double doors hung with bolt lock
  • 4 Full stain applied to match existing deck
Stair treads Balustrade from above Balustrade detail Under-stair storage

Residential · Knysna

Staircase Renovation & Built-in Storage

Full staircase renovation including new hardwood treads, painted risers, and a custom steel-rod balustrade with timber handrail. The space beneath the stairs was converted into bespoke built-in cabinetry with drawers, glass-fronted cupboards, and open shelving.

  • 1 Old stair cladding stripped back
  • 2 New hardwood treads cut and fitted
  • 3 Steel-rod balustrade fabricated and installed
  • 4 Custom under-stair cabinetry built and fitted
Kitchen wall units Bedroom BIC Kitchen floor repair

Residential · Knysna

Built-in Carpentry & Kitchen Repairs

Custom built-in carpentry including a full run of overhead kitchen wall units with shaker-style doors, and a floor-to-ceiling bedroom BIC with shelving and double doors. Also includes kitchen floor tile repair and access hatch work.

  • 1 Kitchen wall units designed, built and installed
  • 2 Bedroom built-in cupboard constructed and fitted
  • 3 Kitchen floor tiles repaired and access hatch reinstated
White picket fence White gate close-up Brown rail fence Rail fence on stairway Timber palisade fence Full-height palisade

Residential · Knysna & George

Fencing, Gates & Boundary Works

A range of fencing projects across the Garden Route — from painted white slatted fences and pedestrian gates for a guest cottage, to stained hardwood rail fencing along driveways and stairways, to full-height treated timber palisade boundary fencing with gate.

  • 1 White slatted fence & gate — guest cottage, George
  • 2 Hardwood rail fencing — driveway & stairway, Knysna
  • 3 Timber palisade boundary fence with gate, Knysna

Property Improvement · Knysna

1000L Water Tank Installation

Supply and installation of a 1000L rainwater harvesting tank with PVC pipework, gutter diverter, inlet filter, and tap connection — plumbed into the downpipe and neatly positioned under the carport roof.

  • 1 Site assessed, optimal position confirmed
  • 2 PVC pipework run from downpipe to tank inlet
  • 3 Outlet tap and overflow fitted
Pool deck overview Hot tub & pool wide Hot tub side view Hot tub front

Residential · Knysna

Outdoor Entertainment Area

Full outdoor entertainment area build including a large grey composite pool deck with integrated steps, a timber-clad hot tub set into a dry-stacked stone feature wall, and a poured concrete surround — all designed to make the most of the Knysna hillside views.

  • 1 Pool deck constructed in composite decking with steps
  • 2 Dry-stacked stone feature wall built as hot tub backdrop
  • 3 Hot tub surround framed in treated timber slats
  • 4 Concrete apron and landscaping completed
Cobble courtyard Slate pathway Bluestone garden steps Encaustic tile path Brick path collage

Residential · Knysna

Paving, Pathways & Garden Steps

A variety of paving and hardscaping projects — from a cobblestone courtyard and slate flagstone pathway with log edging, to bluestone garden steps cut into a sloped garden. Each surface selected and laid to suit the character of the property.

  • 1 Cobblestone courtyard laid at residential entrance
  • 2 Slate flagstone pathway with timber log edging
  • 3 Bluestone garden steps carved into sloped garden
Deck after refinish Polycarbonate lean-to roof Timber screen/box

Maintenance · Knysna

Deck Refinish, Lean-To Roof & Timber Screen

Maintenance and improvement works across three residential properties — a full timber deck sand and re-oil bringing the boards back to a rich, protected finish; a new polycarbonate lean-to roof on an aluminium frame for covered outdoor access; and a slatted timber screen box to conceal electrical equipment neatly against a boundary wall.

  • 1 Deck sanded, cleaned, and re-oiled
  • 2 Aluminium-framed polycarbonate lean-to roof installed
  • 3 Treated timber slatted screen built to conceal electrical box
Interior arch & floors

Residential · Knysna

Interior Renovation — Open-Plan Conversion

Interior alteration creating an arched opening between living spaces, with new skirting, fresh plastering, and full interior repaint. The result is a bright, open-plan flow between the entrance hall and dining room, showcasing the existing hardwood floors and patterned encaustic tile.

  • 1 Wall opening cut and arched lintel formed
  • 2 Plastering, skimming, and cornice work completed
  • 3 Full interior repaint in neutral palette
Rear facade Front facade Side elevation Exterior detail Internal staircase Bathroom refit Gate & fence detail Stepping stone path

Residential Renovation · George

Full House Renovation — George

Comprehensive renovation of a double-storey residence including full exterior repaint in grey with white trim, new hardwood stair treads, bathroom refit with pebble shower floor, painted timber picket fencing and gates, stepping stone side path, and a white slatted screen. A complete transformation inside and out.

  • 1 Full exterior repaint — render, trim, balustrades
  • 2 New hardwood stair treads and handrail
  • 3 Bathroom refit — new tiling, toilet and shower
  • 4 Timber fencing, gates and slatted screens
  • 5 Stepping stone path and landscaping works
Chalet 10 after Chalet 18 after Chalet 24 after Chalet 14 after Chalet 15 after Chalet 20 Chalet at night Deck detail Chalet balcony Chalet 22 before Chalet before Deck wide view Deck long view Deck corner Chalet 16 stairs Deck entry Deck detail close Balcony before Chalet side view

Commercial Maintenance · Knysna River Club

Knysna River Club — Chalet Maintenance Contract

Ongoing maintenance and restoration of the timber chalets at the Knysna River Club. Work includes full exterior repaint of log-cabin cladding, deck sanding and re-sealing, balustrade repair and repaint, stair refurbishment, and general property maintenance across the estate. Multiple chalets completed to a consistent, high-quality standard.

  • 1 Exterior log cladding cleaned, sanded and repainted
  • 2 Decks and balustrades sanded and re-sealed
  • 3 Stair structures repaired and repainted
  • 4 General repairs and maintenance throughout
Waterfront deck and gazebo

Outdoor · Knysna Lagoon

Waterfront Deck & Gazebo

Timber boardwalk deck leading to a waterfront gazebo with a pyramid corrugated roof, white painted balustrades, and integrated steps down to the water — beautifully situated on the Knysna Lagoon with views across the canal.

  • 1 Boardwalk deck framed and boarded
  • 2 Gazebo structure built with pyramid roof
  • 3 Balustrades, steps and finishing completed
Gordon — G23 Construction
G23 Construction

About G23

KNYSNA'S
OWN BUILDERS

We're a small, locally-owned construction company based right here in Knysna. We know the Garden Route, we know its homes, and we know the standards our clients expect.

  • Residential and commercial construction since day one — no job too big or too small.
  • Transparent quoting — what we quote is what you pay, unless scope changes.
  • We work with local suppliers and tradespeople to keep money in the community.
  • Every project gets a dedicated point of contact from start to finish.
  • Serving Knysna, George, Wilderness, Sedgefield, and Plettenberg Bay.

Talk to Us

Get In Touch

LET'S GET
YOUR PROJECT STARTED

Tell us what you need and we'll get back to you with a no-obligation quote. Most site visits are within 3–5 days.

Email

info@g23construction.co.za

Based In

Knysna, Western Cape
South Africa

Service Area

Knysna · George · Wilderness
Sedgefield · Plettenberg Bay
and surrounds

Hours

Monday – Friday: 07:00 – 17:00
Saturday: 08:00 – 13:00