A builder who has delivered projects on time is far more likely to deliver your flat on time. A builder with a history of delays, legal disputes or poor construction quality will probably repeat the same pattern. Before you book any under-construction property in Bangalore, checking the builder’s track record is one of the most important pieces of due diligence you can do — and it costs you nothing but a few hours of research.
This guide explains exactly how to verify a builder’s past performance, where to find complaints, what level of delay is typical, and how to talk to people who have already bought from that builder.
Start with RERA: Check Registered Projects and Complaints
Every builder operating in Karnataka must register their projects with the Karnataka Real Estate Regulatory Authority (RERA). The RERA website lets you search for a builder by name and see every project they have registered, along with the promised completion date, actual status, and any registered complaints from buyers.
Go to the Karnataka RERA portal and search for the builder’s name. Look at their older projects first — projects that were supposed to be completed two or three years ago. Are they marked as completed on time, delayed, or still ongoing? If multiple projects show significant delays beyond the promised date, that is a red flag.
The complaints section on each project page shows buyer grievances filed through RERA. Read through them. Common complaints include possession delays, poor construction quality, changes to the approved plan, and refusal to refund booking amounts. A few complaints on a large project are normal, but if you see dozens of unresolved complaints or a pattern of the same issue across multiple projects, take it seriously.
Visit Completed Projects and Talk to Residents
No amount of online research replaces a visit to a project the builder has already delivered. Find the builder’s completed projects in Bangalore — ideally ones that were handed over in the last two to three years — and visit them unannounced on a weekend.
Walk around the complex. Look at the quality of flooring, painting, plumbing fixtures, and common areas. Are the lifts working? Is the landscaping maintained, or has it died off? Are there visible cracks, seepage marks, or peeling paint in the lobby or stairwells? These things tell you how the builder finishes a project and whether they use quality materials or cut corners.
Talk to residents. Ask them how long the delay was between the promised possession date and the actual handover. Ask if the builder responded quickly to defect complaints during the defect liability period, or if they had to chase for months to get even basic repairs done. Ask if the builder delivered all the promised amenities, or if some were quietly dropped. Most residents are happy to share their experience, especially if they had a difficult one.
Search for the Builder’s Name Online and in Local Forums
A simple Google search for the builder’s name along with words like “complaints”, “review”, or “delay” will often surface news reports, legal cases, or forum discussions that do not appear on RERA. Look for patterns, not one-off complaints. Every builder will have some unhappy customers, but if you find multiple reports of the same serious issue — such as using unapproved land, failing to get an occupancy certificate, or being taken to court by a residents’ association — pay attention.
Check local Bangalore property forums and Facebook groups where buyers discuss their experiences. Search the builder’s name in groups like “Bangalore Apartment Owners” or “Bangalore Real Estate Discussion”. You will often find threads where people share timelines, photographs of defects, and advice on whether to trust that builder.
What This Means for Buyers
Most builders in Bangalore deliver projects with some delay — three to six months beyond the promised date is unfortunately common, and RERA does allow a six-month grace period in some cases. But a delay of one year or more, or a builder with multiple projects stuck indefinitely, is not normal and suggests either financial trouble or poor project management. If the builder’s past projects show a consistent pattern of multi-year delays, assume your project will also be delayed and plan accordingly. If you cannot afford to wait an extra year or two for possession, do not book with that builder, no matter how attractive the price or location.
A builder’s willingness to fix defects after possession matters as much as the original construction quality. Ask residents of completed projects whether the builder was responsive during the one-year defect liability period. A builder who ghosts buyers after handover will leave you paying for repairs that should have been the builder’s responsibility.
BLR Realty charges buyers zero brokerage and checks every project before recommending it. For a free shortlist of verified homes that fit your budget and preferred area, WhatsApp us on +91 63617 88167.
Frequently Asked Questions
Where can I see complaints against a builder in Bangalore?
You can see registered complaints on the Karnataka RERA website by searching for the builder’s name and looking at individual project pages. Each project page has a complaints tab showing grievances filed by buyers, along with the builder’s responses and the current status. You can also search online for the builder’s name along with words like “complaints” or “review” to find discussions on forums and news reports.
How much delay is normal when buying an under-construction flat in Bangalore?
A delay of three to six months beyond the promised possession date is unfortunately common in Bangalore, and RERA allows builders a six-month grace period in some cases for unforeseen circumstances. However, a delay of one year or more is not normal and often indicates financial trouble, poor project management, or legal issues with approvals. If a builder’s past projects consistently show delays of over a year, you should assume your project will also be delayed.
Is it worth visiting a builder’s completed project before buying a new flat from them?
Yes, visiting a completed project is one of the most valuable checks you can do. It shows you the actual quality of construction, finishes, and fittings the builder uses, which is often different from what is shown in the sample flat or brochure. Talking to residents also gives you honest feedback on delays, defects, and how responsive the builder was after handover, which you will not find on the builder’s website or in marketing material.
What should I ask residents when I visit a builder’s completed project?
Ask how long the delay was between the promised possession date and actual handover, whether the builder fixed defects promptly during the defect liability period, and if all the promised amenities were actually delivered. Also ask about the quality of common areas, whether the society has faced any legal or financial issues with the builder, and if they would buy from this builder again. Most residents are happy to share their experience, especially if it was a difficult one.
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