Building extensions Douglasdale Johannesburg - Scotch Score Holdings

Building Extensions Douglasdale

Granny flats, room additions and second stories in Douglasdale and Fourways. Plans, City approval and full construction included. CIPC registered. Free written quote within 48 hours.

From R90,000
Plans Included
CIPC Registered
2-Year Warranty
Transparent Pricing

Building Extension Prices — Douglasdale 2026

All prices include architectural plans, City of Johannesburg plan submission, full construction and completion certificates. Prices are indicative — free written quote after site visit.

Extension TypePrice RangeTimelineNotes
Single Room AdditionR90,000 – R160,0008–10 weeksBedroom, bathroom, home office or kitchen extension
Kitchen ExtensionR110,000 – R185,0008–12 weeksOpen plan conversion, knock-through, dining area
1-Bed Granny FlatR290,000 – R380,00014–18 weeksRental income R7,000–R10,000/month. ROI under 4 years
2-Bed Granny FlatR380,000 – R520,00016–22 weeksRental income R9,000–R13,000/month. High Fourways demand
Second Story AdditionR450,000 – R850,00020–28 weeksFull upper level. Popular on smaller Douglasdale stands

Free written quote after site visit. Call 073 814 7376 to book.

What We Build

Building Extension Services in Douglasdale

We are Scotch Score Holdings — CIPC registered building contractors across Douglasdale, Fourways and Johannesburg North. We manage every stage from plans and City approval through to completed construction and handover.

Granny Flats Douglasdale

1 and 2 bedroom granny flats in Douglasdale. Close to Fourways and Sandton — one of Joburg's strongest rental nodes. Rental income R7,000–R10,000/month. Full ROI in under 4 years.

Room Additions Douglasdale

Bedroom extensions, en-suite bathrooms, kitchen expansions and home office builds in Douglasdale. Plans and City of Joburg approval included from R90,000.

Second Story Additions

Popular in Douglasdale where stands are smaller — build upward instead of outward. We handle the full City of Joburg approval and structural engineering.

Kitchen Extensions Douglasdale

Open plan kitchen conversions and extensions. Many older Douglasdale homes have compact kitchens — we extend and modernise them with proper structural support.

Covered Patios & Braai Rooms

Covered entertainment areas and braai rooms across Douglasdale. Year-round outdoor living from R90,000 for a fully covered, bricked braai area.

Plans & City Approval

Full architectural drawings and City of Joburg plan submission managed by us. You don't visit the municipality once — we handle every step. Included in all project quotes.

Why Douglasdale Works

Why Douglasdale Is Great for Building Extensions

Prime Fourways Location

Douglasdale borders Fourways and Lonehill — one of Joburg's fastest-growing nodes. Close to Fourways Mall, Sandton and major N1 and N14 routes.

Exceptional Rental Demand

Granny flats in Douglasdale rent for R7,000–R10,000/month. Strong demand from Fourways and Sandton professionals. Full investment recovery in under 4 years.

Second Stories Popular

Smaller Douglasdale stands mean second story additions are a smart way to add space without reducing your garden. We have extensive experience with upward extensions.

Strong Property Values

Douglasdale property values consistently rising with the Fourways node. A well-built extension adds 15–25% to your home value on top of rental income.

We Know the Approval Process

Some Douglasdale properties are freehold, others are in estates. We know both approval processes and handle the full submission either way.

CIPC Registered

Scotch Score Holdings (Pty) Ltd, registration 2025/257893/07. Verify us here. Written quote before any work starts.

Client Reviews

4.9★ Rated — 41 Google Reviews

Read all 41 reviews on Google.

★★★★★

"Extension in Douglasdale — professional team, finished on time and budget. They handled City approval from start to finish. Quality of work was excellent throughout."

— Michael T., Douglasdale
★★★★★

"Granny flat in Lonehill, now renting at R8,500/month. Plans, approval and construction all handled. Clean site every day, quality finish, no surprises on cost."

— Natasha V., Lonehill
★★★★★

"Second story addition in Fourways. Scotch Score managed everything — structural engineer, City submission, full construction. Delivered exactly as per the plans."

— Kabelo M., Fourways
Common Questions

Building Extensions Douglasdale — FAQ

How much does a building extension cost in Douglasdale?

Extensions start from R90,000 for a room addition. A 1-bedroom granny flat costs R290,000–R380,000. A 2-bedroom costs R380,000–R520,000. All prices include plans, City approval and construction.

Do I need estate approval for extensions in Douglasdale?

Depends on your property. Freehold — City of Joburg only. Estate or cluster — HOA approval first. We advise on the correct process at the site visit and manage the full submission either way.

How long does a granny flat take to build in Douglasdale?

City approval takes 6–10 weeks. Construction takes 8–12 weeks. Total from consultation to handover is 4–5 months. You get a full project schedule from day one.

What rental can a Douglasdale granny flat generate?

A 1-bedroom granny flat in Douglasdale rents for R7,000–R10,000/month. Proximity to Fourways and Sandton drives exceptional demand. At R8,000/month on a R300,000 build you recover your investment in under 4 years.

Are you registered building contractors in Douglasdale?

Yes — Scotch Score Holdings (Pty) Ltd, CIPC registration 2025/257893/07. Verify our registration here.

What building extensions do you offer in Douglasdale?

Granny flats, room additions, second story additions, kitchen extensions, covered patios and braai rooms. All include plans, City approval, construction and 2-year warranty.

Why Choose Us

CIPC Registered Building Contractors in Douglasdale

Building extensions Douglasdale - Scotch Score Holdings completed construction project

CIPC Registered

Scotch Score Holdings (Pty) Ltd — Registration 2025/257893/07. Verify here.

Fourways Area Based

Permanent teams in Johannesburg North. We know the Douglasdale and Fourways area, local suppliers and City of Joburg process inside out.

Written Quotes & Warranties

Every quote in writing before work starts. 2-year workmanship warranty and completion certificate on every handover.

4.9★ on Google

41 verified reviews. Read our reviews.

Need a Building Extension in Douglasdale?

Free site visit. Written quote within 48 hours. No call-out fee, no obligation.