Approved HDB Window Contractor List in Singapore

Before arranging window-related work, homeowners should check the contractor’s current eligibility and approval details. Use HDB’s e-Service to find contractors in the Directory of Renovation Contractors and check that the listing shows “Active” status and a valid application expiry date. This is the practical way to review the list of HDB-approved window contractors before arranging work.

Choosing a contractor can feel like a search for the “best” option, but checking current approval details is a clear first step. A listing helps you identify eligible contractors, while the status and expiry date show whether the approval is active.

This guide explains how to find the directory, what to check in a contractor’s listing, and which HDB requirements apply to window replacement and repair. It also covers the next steps once you’ve confirmed the listing details.

Checking a contractor’s active status and application expiry date

Use HDB’s e-Service to open the contractor’s entry in the Directory of Renovation Contractors. Check the status and application expiry date shown there. For window work, look for “Active” status and an expiry date that remains valid when you plan to proceed.

Match the listing to the contractor you intend to hire. Compare the business name carefully, including any similar names, before relying on a search result or quotation. A company name on a quotation alone doesn’t show its current directory status. Check the contractor’s own HDB listing.

An active listing and a valid expiry date answer different questions. “Active” is the status shown in the directory. The expiry date indicates whether the application period remains valid through the date displayed. Check both fields together, and don’t overlook an expiry date that has passed.

• Search for the contractor in HDB’s e-Service.
• Open the matching Directory of Renovation Contractors entry.
• Read the status and application expiry date.
• Compare the listing name with the business named in your quotation.
• Repeat the check if the planned work date falls after the displayed expiry date.

Keep a record of what you checked, such as a dated screenshot or written note. It gives you a reference if the appointment is scheduled later. For example, if the listing is active today but its displayed expiry date comes before your planned installation, check the record again before work begins. Status can change, so a current listing is more useful than an old search result.

What risks and penalties apply if I use an unapproved contractor or install non-compliant windows? For window-related work, check that the contractor is appropriately qualified and that the work meets applicable requirements. Non-compliant windows also fail to meet applicable requirements. A directory listing does not mean a particular design or installation is approved.

How long does HDB window replacement take, from application to installation? Permit approval can take up to 7 working days, while installation can take 1 to 2 days. These are separate stages, so consider the approval period before scheduling installation.

Use the list of HDB-approved window contractors as a starting point, then confirm the individual listing’s status and expiry date. For replacement work, check the directory details close to the planned start date. This helps you avoid relying on an expired application or a business with a different listing name.

How to find and verify contractors in HDB’s Directory of Renovation Contractors

HDB’s e-Service lets homeowners find contractors in the Directory of Renovation Contractors and BCA-approved window contractors. Start with the directory when checking a contractor for HDB renovation work. Search using the exact business name on the quotation to avoid confusing similarly named businesses.

1. Open HDB’s e-Service and locate the contractor directory.
2. Search for the business using its name as printed on the quotation.
3. Open the matching entry and read the details shown.
4. For window work, check the HDB listing’s status and application expiry date.
5. Compare the directory entry with the business named in your paperwork.

HDB’s e-Service covers both DRC contractors and BCA-approved window contractors. These checks are related but answer different questions. The directory identifies contractors listed for HDB renovation work, while the BCA-approved window contractor listing covers the relevant window-contractor category. Use the listing that matches the work you plan to carry out.

Check the business name carefully. A quotation may use a trading name, while a directory entry shows a registered business name. If they differ, compare the full details in the listing and quotation before treating them as a match. Note the search date and the entry you reviewed, especially if the appointment or work date changes.

How can I verify a contractor’s licence, insurance, warranty, and customer reviews? Use the HDB directory to check its HDB listing, and consult the BCA-approved window contractor listing for window-contractor status. Review the contractor’s written insurance and warranty documents, then compare customer reviews for consistent details about similar work.

A directory result is one part of your checks, not a substitute for reviewing project documents. Check the quotation for the business name, work description, and stated terms, then compare them with the directory entry. If the quotation names one business but the listing belongs to another, resolve the mismatch before relying on the result.

Repeat the search close to the planned work date if time has passed since your first check. A saved screenshot records what you saw then; a fresh e-Service search shows the current entry. Check the contractor’s status and expiry date again, especially if the displayed date is near or the appointment has moved.

For window issues that call for repair rather than a directory search, professional window repair may be the practical next step.

What window works require an HDB-approved contractor in Singapore?

In Singapore, HDB requires homeowners to engage an HDB-approved contractor for window-related work. The requirement applies to work on a window, not only to full replacement. Before arranging a job, identify whether the scope involves repair, replacement, retrofitting, or installation. These details help you describe the work clearly when looking for a suitable contractor.

Window repair: Repairing a fault in a window remains window-related work. Describe the affected window, such as a sliding or casement window, and the repair needed. Don’t assume that a smaller repair falls outside the requirement just because it doesn’t replace the entire window.

Window replacement: Replacing an existing window is also window-related work. State whether the job concerns a sliding window, a casement window, or another type. This helps you find an appropriate contractor and describe the scope accurately before discussing scheduling or permit requirements.

Window retrofitting: Changes to an existing window system still concern the window. Explain which part or function is changing instead of describing the job only as general renovation. Clear wording distinguishes window work from unrelated work in the flat.

New window installation: Treat a project involving window installation as window-related work when selecting a contractor. Describe the location and window type in your project notes. These details help you identify the relevant contractor category.

Use this practical scope check before making enquiries:

• Does the work repair or alter an existing window?
• Does it remove and replace a window?
• Does it retrofit or install a window system?
• Does the quotation describe window work alongside other renovation tasks?

If the work involves a window, use an HDB-approved contractor for that work. A mixed renovation quotation may include separate tasks, so identify the window portion rather than treating the whole project as one category. For example, a quotation covering room renovations and casement window replacement includes window-related work.

Describe the work precisely when checking contractor listings. “Repair a sliding window” gives a clearer scope than “general home repairs.” For replacement, name the window type and say that the existing unit will be replaced. This makes it easier to compare the proposed work with the contractor’s relevant listing and the requirements below.

The HDB-approved contractor requirement concerns the work category. It doesn’t establish that a particular design, material, or installation method meets every applicable requirement. Describe the job specifically, then consider permits and technical requirements separately before work begins.

What are HDB’s rules and requirements for window replacement and repair?

Full window replacement in Singapore requires an HDB permit. Treat permit approval as a separate step from selecting a contractor. First establish whether the job replaces the complete window or addresses a repair. Then plan around the permit process rather than assuming installation can begin immediately.

HDB window grilles generally don’t require a permit if they don’t affect the building’s exterior. The exterior condition matters: a grille change that affects the building’s outside appearance doesn’t fit that general exemption. Describe the proposed grille work accurately and distinguish it from replacing the window itself.

Material and fixing details also matter for aluminium casement windows. HDB requires 304-grade stainless steel rivets for these windows. This requirement applies to the rivets, not as a general material description for every part of the window. If your project involves aluminium casement windows, include that specification when discussing the scope and installation details.

Use this sequence to prepare a replacement project:

1. Identify whether the work is full replacement, repair, or grille work.
2. For full replacement, allow for the HDB permit approval stage.
3. For aluminium casement windows, note the required 304-grade stainless steel rivets.
4. Schedule installation after accounting for the permit process.

Permit approval can take up to 7 working days. HDB window installation work can take 1 to 2 days. These are different stages: the approval period comes before installation, so don’t treat the installation duration as the full project timeline. Include both stages when planning access to your flat and coordinating related renovation work, such as scheduling interior treatments from Luxe Drapery and Shades once the new frames are installed.

Describe repair and replacement separately. A repair addresses a problem with an existing window, while full replacement means replacing the window and requires a permit. The work description helps establish which process applies. For example, state whether the contractor will repair an existing casement window or remove and replace it.

Before work begins, note the window type, proposed work, and whether grilles are involved. For a casement replacement, record the rivet specification. For grille work, note whether the change affects the building’s exterior. These details help clarify the permit question, materials, and work scope.

Keep the permit stage and installation stage in your schedule as separate items. A replacement may need up to 7 working days for approval, followed by 1 to 2 days of installation work. Confirming the scope early helps you plan those stages without confusing repair work, grille changes, and full window replacement.

For a full window replacement, allow for HDB permit approval before installation. Clearly describe the window type and proposed work, state whether grilles are involved and whether they affect the exterior, and include the required 304-grade stainless steel rivets for aluminium casement windows.

What documents and measurements should I prepare before hiring a window contractor?

Prepare a clear project brief before comparing quotations. Include the flat’s block and unit details for scheduling, the window type, and the problem or proposed change. Separate repair from replacement in your notes. For example, write “repair one sliding window” rather than “check all windows” if that describes the work.

Gather records about the existing installation, such as previous quotations, repair invoices, product documents, and photographs of earlier work. These can help identify what was installed and what has already been changed. They are reference materials, not a substitute for the contractor’s site assessment.

• Take clear photographs of the complete window and the affected area.
• Photograph visible damage, loose parts, or gaps from a safe position.
• Record whether the window is sliding or casement.
• Note how many windows or panels appear to need attention.
• Keep relevant quotations, invoices, and product documents together.

Measurements can make your initial description more useful, but label them as approximate. If the frame is safely accessible, note its overall width and height and where each measurement was taken. Record the number of panels separately. Don’t present a rough measurement as a final manufacturing dimension: the contractor may need to inspect the opening and confirm the measurements on site.

For example, a note might read: “Bedroom, sliding window, two panels, approximate frame width and height recorded.” Add a photo of the full frame and another of the specific fault. This gives the contractor useful context without suggesting the figures are ready for installation.

If the window is difficult to reach, don’t lean out or climb onto furniture to measure it. Take a photo from a safe position and describe what you can see. A close-up of the damaged part, alongside a wider image showing its location, can clarify the issue without a risky measurement.

Keep the contractor’s name and directory search details with the project file. Add the quotation and scope once received. Compare the written scope with your notes: a quotation for casement replacement is different from one for sliding-window repair. If the described work changes, update the record before agreeing to the revised scope.

Before arranging a site visit, organise these materials in one folder, either digital or printed. Include your photographs, approximate measurements, existing records, and a short list of questions about the proposed work. For a window issue, share your window repair details to discuss the work required.

A ACME Design: window repair

A ACME Design provides window repair and retrofitting for homeowners with damaged or worn windows. If a repair may address the problem, describe the affected window and the issue. If the existing window needs an alteration, explain the proposed retrofit and share useful photos or measurements.

For HDB window work, check the directory and define the project scope. Before arranging window work, check the relevant contractor listing and confirm it matches the planned work. The company also repairs shower screens, a separate service for damage to a shower screen rather than a window.

For help with window repair or retrofitting, visit A ACME Design.

Turn your window plans into a clear next step

Once you’ve identified the work your flat needs, use that information to make a practical plan. A focused description keeps discussions centred on the right solution, whether you need maintenance or a change to an existing window. The list of HDB-approved window contractors is a starting point, not the decision itself. Choose your next step based on the window’s condition and the work you want done.

If a window problem is affecting its use, A ACME Design can help with repair or retrofitting. The company also repairs shower screens for separate glass issues at home. Share the relevant details with A ACME Design to discuss the work.

Contact A ACME Design to discuss your window repair or retrofitting needs. A clear next step can make planning the work simpler.

Frequently Asked Questions

Looking for the Best HDB Windows Contractor in Singapore?

The right contractor’s current listing and work scope should match your project. A sliding-window repair and a full casement-window replacement, for example, are different jobs. Describe the fault or planned change clearly, then compare it with the relevant window-work category. The list of HDB-approved window contractors helps narrow your search, but a listing alone doesn’t assess workmanship or whether a proposed design is suitable.

Why Choose an HDB Approved Contractor?

HDB requires homeowners to engage an HDB-approved contractor for window-related work in Singapore. Approval is a necessary starting point, not an optional preference. It also distinguishes window work from unrelated renovation tasks. If a renovation quotation includes both painting and window repair, identify the window portion and ensure an HDB-approved contractor handles it.

Where can I find the official list of HDB-approved window contractors in Singapore?

Use HDB’s e-Service to find contractors in the Directory of Renovation Contractors and BCA-approved window contractors. Search using the business name shown on the quotation, then open the matching entry. For window projects, make sure you’re viewing the relevant window-contractor category. A result for a similarly named business may not be the contractor named in your paperwork.

How do I check whether a window contractor is currently HDB-approved?

Open the contractor’s directory entry and check its status and application expiry date. Look for “Active” status and an expiry date that remains valid during the planned work period. Match the business name to your quotation. If the job date changes or the displayed expiry date passes before work begins, search again. A saved screenshot is a useful dated record, but it doesn’t replace checking the current listing.

What risks and penalties apply if I use an unapproved contractor or install non-compliant windows?

HDB requires homeowners to engage an HDB-approved contractor for window-related work, and non-compliant windows fail to meet applicable requirements. Check that the contractor’s listing is active with a valid expiry date, and ensure the work follows HDB’s requirements.