Service

Semi-D Rebuild Contractor Singapore

Why Rebuild Your Semi-D?

Semi-detached houses have excellent architectural potential because they have one open side. With a rebuild, you can dramatically transform your space.

Here’s why semi-D owners commonly choose to rebuild:

1. Maximise Your GFA (Gross Floor Area)

Semi-Ds typically have larger footprints compared to terrace houses. Rebuilding allows you to:

  • Add an attic

  • Add a basement

  • Extend the 2nd floor to the legal setback limits

  • Expand rear and front sections

  • Create a double-volume living space

A full rebuild lets you optimise every inch of space legally allowed under URA guidelines.

2. Modern, Functional Layouts

Older semi-Ds often suffer from:

  • Small kitchens

  • Closed-up layouts

  • Low ceilings

  • Poor space utilisation

  • Outdated bedroom configurations

A rebuild solves all these issues.
You get a fully modernised layout designed for comfort, lifestyle, and family needs.

3. Stronger Structural Integrity

Old semi-Ds may face:

  • Spalling concrete

  • Rusted rebar

  • Foundation settlement

  • M&E deterioration

  • Roof leakage

A rebuild gives you a brand-new structure, ensuring long-term safety.

4. Higher Property Value

A newly rebuilt semi-D can increase its valuation by hundreds of thousands to millions, depending on location.

5. Energy Efficiency & Smart Upgrades

A rebuild allows installation of:

  • Better insulation

  • Efficient lighting

  • Modern plumbing

  • Smart home systems

  • Solar panel preparation

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Our Semi-D Rebuild Specialisation

Ember Earther Builders provides a complete, end-to-end rebuild solution:

✓ Architectural Design & Space Planning

Maximise lighting, cross ventilation, and layout functionality.

✓ Structural Engineering

Design for stability, attic load, extensions, and façade structures.

✓ BCA/URA Authority Submissions

We handle everything — no stress for homeowners.

✓ Safe Tear Down & Demolition

Full demolition with safety compliance.

✓ Complete Build-Up Works

From foundation to roof installation.

✓ M&E Installation

Electrical, plumbing, aircon, lighting, smart systems.

✓ Interior Fit-Out

Custom carpentry, flooring, toilets, kitchen, wardrobes.

✓ Project Management

Weekly updates, timeline tracking, quality control.

We bring technical knowledge, design practicality, and precise construction management into each project.

Types of Semi-D Homes We Rebuild

Semi-Ds vary across Singapore — we rebuild all types:

1. Old 2-storey semi-Ds (built in the 70s–90s)

Often require tear down due to structural fatigue.

2. Modern semi-Ds needing major redesign

Families wanting better space flow and bigger GFA.

3. Elevated land semi-Ds

Requires careful structural planning.

4. Semi-Ds with odd-shaped plots

We maximise buildability under URA rules.

5. Corner semi-Ds with large side setbacks

Huge potential for extensions and open concept spaces.

Semi-D Rebuild Cost in Singapore (2026 Guide)

Rebuild costs vary depending on GFA, design, structure, and material choice.

Typical cost ranges for Semi-D reconstruction:

Standard Semi-D Rebuild

$900,000 – $1.3M
Suitable for:

  • 2-storey rebuild

  • Basic finishing

  • No basement

  • Simple façade design

Premium Semi-D Rebuild

$1.3M – $1.8M
Suitable for:

  • Attic

  • Extended 2nd floor

  • Stylish façade

  • High-quality carpentry

  • Better M&E solutions

Luxury Semi-D Rebuild

$1.8M – $3M+
Suitable for:

  • Basement

  • Pool

  • Home lift

  • High-end materials

  • Large GFA expansion

Key Features of Our Semi-D Rebuild Designs

1. Open Concept Living Areas

Integrated living, dining, and kitchen spaces.

2. Natural Lighting Enhancement

  • Skylights

  • Light wells

  • Large windows

  • Glass sliding doors

3. Modern Façade Design

Featuring:

  • Stone cladding

  • Timber accents

  • Aluminium & glass

4. Luxurious Master Suites

Walk-in wardrobe, ensuite, full-height windows.

5. Functional Bedrooms

Designed with flexibility for kids or guests.

6. Modern Kitchen Design

Open or closed concept depending on lifestyle.

7. Multi-Functional Spaces

  • Home office

  • Gym

  • Entertainment room

  • Family lounge

Key Cost Factors

1. Soil Condition & Foundation Requirement

Some plots require piling or deeper foundations.

2. GFA Increase

Bigger houses = higher cost.

3. Structural Complexity

Attics, basements, double-volume spaces.

4. Quality of Finishes

Tiles, carpentry, windows, doors.

5. M&E Upgrades

Smart systems, high-capacity aircon, concealed trunking.

6. Façade Materials

Curtain wall, timber cladding, stone cladding.

7. Roof Design

Flat vs pitched roof, waterproofing, skylights.

We provide detailed breakdowns during consultation.

Semi-D Rebuild Timeline

A semi-detached rebuild usually takes:

Phase 1 — Design & Planning (2–3 months)

  • Site assessment

  • Concept design

  • Floor plan layouts

  • 3D visuals

Phase 2 — Authority Submissions (3–6 months)

  • URA

  • BCA

  • SCDF

  • PUB

  • NParks

We manage full QP submission.

Phase 3 — Demolition (2–4 weeks)

Safe tear down and debris removal.

Phase 4 — Construction (12–18 months)

  • Foundation

  • Structural RC

  • Roofing

  • M&E

  • Façade

  • Interior works

Total Timeline: 18 – 30 Months

(depends on complexity and size)

Frequently Asked Questions (FAQ)

1. How much does it cost to rebuild a Semi-D in Singapore?

Typically $900,000 – $1.8M, depending on GFA and materials.

2. How long does a Semi-D rebuild take?

18–30 months from design to handover.

3. Can I add an attic or basement?

Yes — subject to URA zoning and engineering feasibility.

4. Do I need authority approval?

Yes, URA and BCA approvals are required.

5. What are the main advantages of rebuilding a Semi-D?

  • Modern design

  • Higher GFA

  • Better natural lighting

  • Increased property value

Let’s Work Together

We're here to help you bring your construction project to life! Whether you have questions, want to discuss your ideas.