Roof under construction showing a newly installed black waterproof roofing layer on a brick building, with existing traditional clay tiles removed.
A small backyard house illuminated by exterior lights, with a potted shrub, a wooden fence, and a stone pathway at night.

Severn Fibreglass Ltd

House under construction with new roof, brick walls, and wooden window frames, in a residential area with trees and neighboring houses.
An aerial view of rooftops, showing a roof with solar panels, another with weathered tiles, and a rooftop extension with a flat gray surface, surrounded by a small garden area.

Experience premium quality products

Under construction backyard extension with unfinished patio, construction materials, and tools in front of white modern house, with traditional brick houses in background.
A backyard pond under construction or being lined, surrounded by rocks and grass, with trees and cloudy sky in the background.
Aerial view of a commercial building with a metal roof and pink trim, labeled 'maxiom', surrounded by a parking lot and outdoor area.

About Severn Fibreglass

Severn Fibreglass is a renowned GRP specialist offering exceptional fibreglass roofing and pond lining services. With our expertise and attention to detail, we provide unparalleled solutions for all your needs. Whether you're looking to protect your home or enhance your outdoor space, our team of dedicated professionals is here to turn your vision into a reality.

We understand the importance of quality workmanship and strive to deliver the highest standards in every project we undertake. From durable and weather-resistant roofing solutions to beautiful and long-lasting pond linings, we take pride in our craftsmanship and commitment to excellence.

Close-up of a newly painted gray gutter on a house roof, with part of the roof and sky visible in the background.
A circular pool under construction with a white exterior wall and a blue interior, in an outdoor setting with trees in the background, and a bucket with blue paint nearby.

NEW FOR 2026!

GRP BUILDING PRODUCTS RANGE

Gloucester Door surround set.

The Gloucester overdoor canopy can be used alone or as a set, shown here with two Romanesque pillars. Designed for durability and style, it provides weather protection while enhancing the entrance with classical architectural detail. Ideal for both traditional and modern homes, the canopy’s clean lines and solid construction create a welcoming focal point. Custom finishes and sizes are available to suit your doorway and match existing stonework or brickwork.

Worcester door surround set.

The Worcester can be used alone or paired with Romanesque Pillars, as shown. It functions equally well as a standalone element or combined with the pillars for a more formal, structured appearance. Use alone for a simpler, understated look; combine with the Romanesque Pillars to add architectural presence and visual weight.

Apley

The Apley is a woodgrain-effect overdoor canopy. It is available with a GRP tile-effect lid, as shown, or fitted with trusses so traditional roof tiles can be used to match the house.

Being made from GRP, our building products are virtually maintenance-free while being very strong and robust, meaning they will keep your house looking great for many years.

Epney

The Epney overdoor canopy is a woodgrain-effect GRP canopy available with either a tile-effect GRP lid or as a trussed base, allowing a traditional tiled roof to be fitted to match existing house tiles. This design combines the low maintenance and weather resistance of fibreglass with a traditional appearance, giving a durable, long-lasting shelter over doorways while blending seamlessly with the home’s existing roofline.

Clevedon

The Clevedon is a mono pitch over-door canopy that has a woodgrain-effect base and a tile effect lid. this canopy can made in varying lengths.

Bespoke service available

Inside a white tent with clear plastic windows, a shiny black platform or stage with three steps, blue tarp on the ground, and some tools and a yellow bucket in the corner.
A person working on the framing of a raised outdoor seating area or deck, with construction tools and materials around, on a blue tarp outdoors.

DOG POOL

This was a bespoke pool for a customer that wanted a flless finish to the inside of the pool.

We had to make a flash molding on site to ensure a molded product finish, this was to be set into the ground and surrounded by decking giving the customers furry companions somewhere to safely cool down on the hot summer days.

We even made a bespoke box for the pump and filter to be housed.

A construction site with a large, black, rectangular foam or plastic mold structure on a blue tarp, with tools and equipment around it, including a saw, a measuring tape, and a work table.
A backyard with a partially assembled in-ground pool filled with water, surrounded by a grass yard, a wooden fence, and trees, with construction supplies and tools nearby.
Large rectangular black and gray raised garden bed in a backyard with a grass lawn, wooden fencing, trees, and a cloudy sky.
A black wooden box or cabinet on top of bricks, with tools and construction materials around, located outside near a glass sliding door under sunny weather.

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An electronic dartboard with a gray outer frame and a circular face, illuminated by shadowless lighting. The dartboard has black, white, red, and green sections, with the brand names "Winmau" and "BLADE4" visible. The image has the heading "Aurora" at the top and what appears to be a description of the product at the bottom.

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