28 years · Sri Lanka's trusted interiors team
Feel proudevery timeyou walk in
Platinum Interiors designs, builds and installs premium windows, doors, glass panels and kitchens with a full 3D preview before we start, and your complete dream kitchen delivered in as little as 14 days.
What is Platinum
Interiors
Platinum Interiors is a Sri Lankan interiors and construction company specialising in premium aluminium windows, doors, glass installations and custom kitchens. Founded on 28 years of hands-on construction expertise, we don't just design spaces we build them, with the technical precision that comes from two generations of family craftsmanship.
Why choose Platinum Interiors?
In a market full of choices, here is why we stand out as Sri Lanka's most trusted interiors team.
Built on construction expertise
We don't just design we build. Our roots in aluminium construction give us a technical advantage no pure design company can match. Every detail is precise, every finish is engineered to last.
Transparent pricing
No hidden costs or surprise additions midway through the project. What we quote is what you pay.
Premium materials
We source only the highest quality materials to ensure durability, aesthetics, and long-lasting performance in every project.
End-to-end service
From initial 3D visualization to final installation, we handle everything so you don't have to manage multiple contractors.
10-year warranty
We stand by our work. Our official 10-year warranty gives you complete peace of mind on all installations and craftsmanship.
Fast delivery
We respect your time. Our streamlined process allows us to deliver complete dream kitchens in as little as 14 days.
Featured project highlights
Explore a selection of our most recent transformations, showcasing our commitment to precision engineering and premium design.
We shape our buildings, thereafter they shape us
Winston Churchill
Materials & brands we use
We only work with Sri Lanka's most trusted and certified material brands, because your home deserves nothing less.
Alumex
Sri Lanka's #1 aluminium manufacturer. Internationally certified profiles.
Lanka Aluminium
Premium aluminium solutions trusted across Sri Lanka's construction industry.
Lumin
Premium certified doors & windows. Built to international manufacturing standards.
Swisstek
High-quality aluminium construction materials for the perfect finish.
Alumex
Sri Lanka's #1 aluminium manufacturer. Internationally certified profiles.
Lanka Aluminium
Premium aluminium solutions trusted across Sri Lanka's construction industry.
Lumin
Premium certified doors & windows. Built to international manufacturing standards.
Swisstek
High-quality aluminium construction materials for the perfect finish.
Alumex
Sri Lanka's #1 aluminium manufacturer. Internationally certified profiles.
Lanka Aluminium
Premium aluminium solutions trusted across Sri Lanka's construction industry.
Lumin
Premium certified doors & windows. Built to international manufacturing standards.
Swisstek
High-quality aluminium construction materials for the perfect finish.
All materials used in Platinum Interiors projects meet international quality standards, selected for durability, finish quality and long-term performance.
Kitchen packages
Whether you're renovating at home or building your dream kitchen from overseas, we make it simple and transparent.
The Platinum kitchen transformation
Designed, built & guaranteed in just 14 days
What you receive
- Free home visit & measurement
- Free detailed quotation
- 3D design preview
- 14-day install
- 10-year warranty with certificate
- Daily WhatsApp video updates
- Video call design consultation
- Full digital documentation
- Final handover walkthrough video
- Annual check-in call
- Free PDF maintenance guide
Premium Add-on: Platinum Care Plan
Optional PackageEnjoy a complimentary professional deep cleaning service once every 6 months to keep your kitchen looking immaculate.
Includes a specialized cleaning spray, magic erasing sponges, absorbent wiping cloths, and high-performance microfiber cloths.
Benefit from preferred membership pricing and special discounts on all your upcoming home enhancement projects.
Receive top-priority positioning for all service requests and maintenance needs whenever you require assistance.
The Platinum promise
If anything we install has a defect within 10 years, we fix it for free. No questions asked. Every year, we personally call to ensure everything remains perfect.
Only 4 local projects accepted per month. This ensures every client receives our full attention and our 14-day delivery guarantee.
Price calculated after free site visit & measurement. Quotation provided at zero cost, zero obligation.
Payment structure
Our transparent 3-stage payment plan ensures your project is delivered with complete commitment from both sides.
Design approval
Due upon signing the project agreement and approving your final 3D design. Confirms your booking and secures your project slot.
Mid-project
Due at the midpoint of installation, once core structural work is completed and verified on site.
Final handover
Due upon full project completion, client walkthrough and your complete satisfaction before we hand over your keys.
Your protection matters to us. The final payment is only requested after you have personally inspected the completed work and confirmed your satisfaction. We do not request full payment upfront.
Meet our team
Every project carries the weight of our name and two generations of expertise.
Shamal Weerasiri
BSc (Hons) Quantity Surveying
The driving force behind Platinum Interiors, combining modern design vision with professional quantity surveying expertise to deliver projects on time, on budget and beyond expectations.
Sarath Premathilaka
28 Years Industry Experience
With over 28 years in construction and interior business and more than 1,000 completed projects, Sarath brings unmatched practical expertise, loyal client relationships and an unwavering commitment to quality.
Free planning guides & calculators
Use our custom web calculators to plan your kitchen workflow ergonomics and living room viewing distances.
Kitchen triangle calculator
Calculate optimal distances between your sink, stove, and refrigerator for maximum kitchen ergonomics and efficiency.
TV viewing distance guide
Find the ideal TV screen size and recommended seating distance for your living room or home theater setup.
Frequently asked questions
We believe in full transparency. Here are the answers to the questions our clients ask most.
Trusted by families across Sri Lanka & beyond
"Feel proud every time you walk in."
Follow us on social media
Join our online community to see our latest kitchen transformations, interior design ideas, and client stories.
TikTok
@platinum.interior1
Facebook
@Theplatinuminteriors
The Platinum Interiors
Explore real client projects, latest design concepts, customer reviews, and project milestones updated regularly.
https://web.facebook.com/Theplatinuminteriors/