About Us

J & I Plastering & Son is a trusted, family-run plastering and rendering company proudly serving Hampshire, Surrey, and West Sussex.

A local experienced company

Our Story

Founded by father and son team Ian Cowie and Billy Cowie, we bring over 40 years of combined experience in the plastering and rendering industry. Our hands-on approach, attention to detail, and commitment to quality have earned us a strong reputation across the South East.

Whether you're planning a home renovation, a new build, or an external upgrade, we deliver professional results with a personal touch.

Brick fireplace with a wood mantel, construction tools and supplies on the floor, and a black tarp covering the base.

Meet the Team

A man with gray hair and beard smiling while sitting in the driver's seat of a van, holding the steering wheel, with a suburban neighborhood visible through the window.

Has over 40 years experience in plastering/rendering and has a passion for traditional plastering methods.   

Outside of work Ian enjoys the gym and boating.

Ian Cowie

A young man wearing a yellow reflective safety vest and black work pants standing outdoors beside a mobile food cart with a Nespresso logo, with a white vehicle and a building in the background.

After leaving school he served a plastering apprenticeship obtaining his City and Guilds Certificate.   

Outside of work Billy enjoys the gym and eating biscuits.

Billy Cowie

What we do

We specialise in a full range of plastering and rendering services, including:

  • Internal plastering and skimming

  • External rendering

  • Traditional and modern render systems

  • Spray rendering applications

We are experienced in applying leading systems such as:

  • K Rend

  • Weber

  • Monocouche render

  • Silicone thin coat systems

Our expertise allows us to recommend the best solution for your property, whether it's a modern finish or a traditional look.

A house with a steep brown tiled roof, white window frames, and a partially exposed brick and stucco wall, with a garden in front featuring ferns and rocks, and a green protective covering on the ground.

Get in touch

Need a Local Plasterer You Can Trust?

If you’re looking for reliable plastering or external rendering in Hampshire, Surrey, or West Sussex, we’d love to help.

Whether it’s internal plastering, spray rendering, or a full exterior upgrade, we’ll talk you through your options and provide a free, no-obligation quote.

Get in touch
Get in touch