Custom Indoor Joinery and Design

From kitchens to home renovations, we transform any space into a home.

Over 40 years experience crafting high-end custom joinery for homes across NSW.

Modern white minimalist kitchen with marble island, built-in oven, and dining area with round table and four chairs.
Modern kitchen with light blue and dark blue cabinets, marble backsplash, gold hardware, and a marble counter island. Two black bar stools are at the island and a decorative vase with a plant is on top.
Modern kitchen with black cabinetry, marble island, brick walls, and large window with greenery outside.
Modern kitchen with white cabinets, marble island, and wood dining table with green chairs, open to outdoor space with garden view
Modern kitchen with white and wooden cabinets, marble backsplash, multi-colored fruit bowl, black barstools, and a sliding glass door with white curtains.
Modern kitchen with white cabinets, a central island with a marble top, wood-paneled upper cabinets, and built-in oven, with sunlight streaming through large windows.
Modern kitchen with gray and white cabinets, a large central island with lemons and bottles on it, stainless steel refrigerator, sink, and built-in oven, with a gray tiled backsplash and recessed lighting.
Modern white kitchen with marble countertops, black bar stools, and light wood flooring. Contains built-in appliances, open shelving with white dishes, a fruit plate, and a bottle of wine with glass.
Modern kitchen with white cabinets, black island with gray chairs, built-in wine cooler, and stainless steel appliances, wooden flooring.
Empty white and wood closet with open door showing shelves and drawer inside.
Modern kitchen with dark and light wood cabinetry, black countertops, and a wooden ceiling with recessed lighting.
Five wooden cutting or serving boards leaning against a wall, next to a ceramic pitcher and a small amber glass jar on a kitchen countertop with a textured wall background.
Modern kitchen with dark green cabinets, a marble countertop, a gold table lamp, and decorative vases.
A built-in wooden wine rack with angled shelves holding wine bottles, next to a mirror with a marble countertop and decorative bottles, in a modern interior setting.
Modern kitchen with dark lower cabinets, open shelves with pottery and glassware, a vase with foliage, a bowl of eggs, and a black and white geometric tile floor.
A modern bathroom with a large mirror, blue tiled walls, and a black sink on a marble countertop. Decor includes a green potted plant, a bottle of soap, and a framed picture. Wicker basket at the base and glass block windows provide natural light.
A laundry room with a window showing a small balcony garden, a countertop, a washing machine and a dryer, a potted plant, a mirror, and decorative objects.
Modern kitchen with black cabinets, open gray shelves with dishes and decor, a vase with red foliage, eggs, and green apples on the countertop, checkered black and white floor.
Bathroom sink with a blue vanity, gray countertop, and a dark blue oval vessel sink. There is a wall-mounted black faucet and two small black knobs. To the right of the sink are bottles of soap or lotion, and a gray vase with light yellow flowers. A
Kitchen with blue cabinets, a small black sink, pink hydrangea flowers in a white vase, a bottle of hand soap, a cupcake, a yellow bowl with a cloth, and a white Bosch washing machine.
Modern kitchen with black cabinetry, a large vase with green foliage on a curved textured black island, and a small window showing outside plants.
Modern kitchen with brick wall, arched window, wooden ceiling, and a large kitchen island with a vase of greenery.
Modern kitchen with black cabinetry, marble countertop, and brick wall with vertical windows letting in natural light; plants and decorative objects on the countertop.
Modern bathroom with a gray vanity, vessel sink, large mirror, and minimal decor including soap dispensers and a vase with flowers.
Interior of a modern kitchen with exposed brick walls, a black island with a gray marble countertop, a large plant in a black vase, two black bar stools, three tall arched windows, and a circular window in a vaulted wooden ceiling.
A modern bathroom vanity with two vessel sinks, a large mirror cabinet, white cabinetry with gold handles, a black countertop, and a black and white marble tile backsplash. A pink and blue woven vase with green foliage and pink flowers is placed in t
Modern kitchen with black cabinetry, gray stone backsplash, and a large window showing outdoor greenery.
Modern kitchen with black backsplash tiles, light green cabinetry, a black sink, gold faucet, a large vase with flowers, and a decorative white object on the countertop.
Modern kitchen with light blue and dark blue cabinets, a marble backsplash, and decorative bowls and artwork on the counter.
Modern bathroom with white vanity, black countertop, decorative black and white marble base, large mirror, and a vase of blue and pink hydrangeas near window with plantation shutters.
Bathroom vanity with a white vessel sink, purple flowers in a marble vase, and a mirror with gold trim surrounded by two gold sconces
Modern kitchen with black cabinets, wooden ceiling, large glass window, and a kitchen island with a glass vase holding dried plants.
Modern kitchen with dark wood floors, marble island with black veining, gray cabinets, large window overlooking trees, and minimal decor.
Modern kitchen with blue cabinets, a curved island with a sink and black faucet, large windows with greenery outside, and a round wooden dining table with white chairs.
Bathroom double vanity with pink vessel sinks, gold faucets, two oval mirrors, pink and white mosaic wall tiles, and a vase with red flowers on white countertop.
Close-up of a marble countertop with pink, white, and gray veining, mounted on a dark-colored cabinet with wooden drawer handles.
Modern kitchen with a marble island, dark wood cabinets, and built-in appliances.
Modern kitchen with marble island, gray cabinetry, stone wall with abstract art, and large windows bringing in natural light.
Modern kitchen with white marble island, minimalist decor, and natural wood flooring, with black accents and a glass door leading outside.
Modern kitchen with white marble countertops, blue lower cabinets, and open wooden shelving displaying glassware and dishes. Three white bar stools with wooden legs are positioned at the island, which has a cutting board with bread. Two pendant light
Modern kitchen with white cabinets, marble countertops, stainless steel stove, open wooden shelves with dishware, kitchen island with lemon and herbs, wicker chairs, and a brass pendant light.
Modern kitchen with white cabinets, marble countertops, a stainless steel stove with a pot, and baked goods on a wooden cutting board.
A modern closet with hanging white shirts on wooden hangers on the left and a set of four drawers on the right. The top shelf has a white decorative pineapple, and the middle shelf contains two hourglass timers and a stack of papers or magazines. The
Modern wooden closet with open shelves, drawers, and hanging space for clothes, including a white shirt, with decorative items on the shelves.
Empty wooden shoe cabinet with several pairs of white sneakers on the bottom shelf and folded white shirts on the middle shelves.

Book a consultation with our in-house design team.

Contact Us

For over 40 years our focus has remained unwavering; to craft interiors of enduring quality and elegance. Through timeless design, high-end materials, and meticulous hand-crafted joinery, we create spaces that inspire and delight our clients every day.

Our experienced in-house design team is here to make the process seamless. From the first spark of inspiration to flawless installation. We can work closely with you to bring your ideas to life or collaborate with your own design team to ensure every element is executed with care and exceptional detail.

Our showroom and factory are located in Castle Hill, NSW.
Book a personalised consultation with one of our designers to discuss your vision,
or, visit our showroom during opening hours to view our work and designs in person.

Visit Our Showroom


We highly recommend visiting our showroom to truly experience the quality, craftsmanship, and attention to detail that sets Kastell apart. Our extensive showroom in Castle Hill showcases a curated collection of luxury kitchen designs, bespoke joinery solutions, and beautifully designed living spaces, helping you explore the latest in modern interior design and custom cabinetry.

From statement kitchen islands and butler’s pantries to integrated living and dining joinery, our displays are thoughtfully designed to inspire homeowners, renovators, architects, and interior designers seeking refined, high-end interiors.

Our dedicated design selection area features an exceptional range of premium materials and finishes, allowing you to curate the perfect palette for your project — including natural stone benchtops, timber finishes, cabinetry colours, handles, hardware, and designer surfaces. Whether you are planning a luxury kitchen renovation, custom home joinery, or a complete interior transformation, our showroom provides the ideal environment to explore ideas and bring your vision to life.

Our showroom is continually evolving, with exciting new displays and design concepts currently underway. If you would like to discuss a custom kitchen, bespoke joinery project, or tailored interior solution, we invite you to get in touch to arrange a consultation or private showroom visit.

Opening Hours
Monday - Friday
10am - 4pm

Unit 13/7 Salisbury Road, Castle Hill NSW, 2155

Please note: Our showroom is open to the public during opening hours, however, if you wish to chat to a designer, a consultation must be booked in advance.