November 26, 2025 0
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Introduction

Building a residential property in Singapore involves various stages, with utility installations—electricity, water, and gas—as key components. Accurate estimation of these costs helps homeowners and builders plan effectively and avoid unexpected expenses. This article presents a detailed overview of the typical costs associated with utility installations, alongside commonly overlooked charges that may arise during the process.

Electricity Installation Costs

Typical Procedure

Electricity supply and distribution in Singapore are managed primarily by the SP Group. When building a house, you need to apply for a new electricity connection, which involves:

  • Submission of an application to SP Group for a new electricity service connection.
  • Electrical wiring design and installation by a registered electrical contractor.
  • Inspection and approval by licensed electrical inspectors.
  • Installation of the electricity meter and activation of supply.

Estimated Costs

As of 2024, rough cost estimates for electrical installation for an average landed property include:

  • Electricity Service Application Fee: Around SGD 200 to SGD 300, payable to SP Group for connection processing.
  • Electrical Works: Wiring, switchboards, outlet points, and circuit breakers can cost between SGD 5,000 and SGD 10,000 depending on the house size and specifications.
  • Meter Installation: Typically included in SP Group’s service fees, but in some cases, installation of advanced meters like smart meters may incur additional charges.

Hidden Costs and Considerations

  • Upgrading Electrical Load: If higher capacity is needed (e.g., for HVAC systems), upgrading involves additional service charges.
  • Trenching and Wiring Costs: Running underground cables from the main connection point to the house can be costly, especially for properties located far from existing distribution lines.
  • Temporary Power Supply: For construction needs, temporary connections may involve additional deposits and fees.

Water Installation Costs

Typical Procedure

Water supply in Singapore is managed by the Public Utilities Board (PUB) and can be applied for via the PUB website. The process typically includes:

  • Application for a new water service connection.
  • Installation of a water meter and pipelines.
  • Inspection and approval by PUB-appointed site inspectors.

Estimated Costs

Water installation costs vary depending on the distance to the main water source and property type:

  • Connection Fee: Approximately SGD 230 to SGD 350 for standard connection fees.
  • Piping and Meter Installation: Depending on house size, expect between SGD 3,000 and SGD 6,000 for internal plumbing and meter installation.
  • Additional Fees: For connections requiring pipe laying along public paths or roads, additional reinstatement costs may apply.

Hidden Costs and Considerations

  • Excavation and Trenching Costs: Installing pipelines underground may incur added civil works expenses.
  • Water Treatment Systems: Some homeowners opt for additional filtration or softening systems, which increase upfront costs.
  • Deposit and Meter Rental Fees: PUB may require a refundable security deposit and/or meter rental depending on the situation.

Gas Installation Costs

Typical Procedure

Gas supply is provided mainly by City Gas for residential developments. Application involves:

  • Submitting a service application for piped gas supply.
  • Gas piping installation by licensed gas contractors.
  • Safety inspection and commissioning.

Estimated Costs

Typical costs for gas installation in a landed house are:

  • Connection Fee: City Gas charges approximately SGD 150 to SGD 300 as a connection fee.
  • Gas Piping Installation: Installation may range between SGD 1,500 and SGD 3,000 depending on the complexity and extent of piping.
  • Appliance Installation: Connecting gas appliances such as water heaters or cookers may add another SGD 500 to SGD 1,000.

Hidden Costs and Considerations

  • Safety Compliance: Additional testing or repairs might be required if pipes do not meet safety standards.
  • Upgrading Existing Infrastructure: Older or non-compliant properties may need an upgrade to accommodate piped gas.
  • Service Deposit and Meter Rental: Deposits and recurring meter fees apply as per City Gas’s policies.

Summary of Cost Estimates

Utility Connection/Application Fees (SGD) Installation Costs (SGD) Typical Total Range (SGD)
Electricity 200 – 300 5,000 – 10,000 5,200 – 10,300
Water 230 – 350 3,000 – 6,000 3,230 – 6,350
Gas 150 – 300 1,500 – 3,000 1,650 – 3,300

Additional Tips for Homeowners

  • Engage Licensed Contractors: All electrical, plumbing, and gas works must be performed by licensed professionals to comply with Singapore regulations.
  • Plan Utilities Early: Apply for connections well ahead of construction completion to avoid delays.
  • Check for Government Subsidies: For eligible homeowners, some schemes help offset utility installation costs; verify current schemes with the relevant agencies.
  • Coordinate with Neighbours: In some cases, cost-sharing arrangements for shared utility lines may be possible.

Conclusion

Installing electricity, water, and gas in a newly built house in Singapore involves a combination of application fees, installation charges, and additional costs related to civil works and compliance. As of 2024, homeowners should expect to budget approximately SGD 10,000 to SGD 20,000 collectively for these utilities, depending on the property size and scope of work.

For the most accurate and updated information, refer directly to official sources such as:

Careful planning and awareness of possible hidden costs can help avoid budget overruns and ensure a smooth move-in to your new home.

Disclaimer: This site is an informational blog and is not affiliated with the Government of Singapore.

Disclaimer: This website is an independent informational blog and is NOT affiliated, associated, authorized, endorsed by, or in any way officially connected with the Government of Singapore, SP Group, HDB, CPF Board, or any of their subsidiaries or affiliates. All content is for educational purposes only. Please verify all information with official government sources at gov.sg.

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