Stag builders of Hertfordshire is a construction company that operates in the Hertfordshire region. The company is well known for dealing with detailed and complex building projects. It` has earned a good reputation for being honest, accurate, and reliable. Whether you require a garage conversion, home extension, or renovation to your property, their trademark in quality is clearly seen.

This newly formed company originated from a sole proprietorship owned by one of its current directors Ron Keeler.  The second of the companies directors is Adam Kennealy.

Adam being a much younger director,  brings new and improved  technologies, and updated regulations. He oversees a team of skilled builders that are carefully vetted before being employed. This process benefits the companies moral duties towards protecting the customer and guarantees its maintained quality throughout, whether building projects are small, or extremely large.

The companies hallmark is obvious in every build, the layout, the standard of finish, but mostly the thought and passion that goes into every job. With years of experience in clients homes and the backing of the National Federation of Builders behind them, they can definitely handle what's thrown at them.

This month 73% of client bookings were 

Plastering Services

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Our plastered finishes are guaranteed second to none

As experienced plasterers, we pride ourselves on the quality of the work we undertake and guarantee the highest standards to both domestic and commercial customer throughout the Hertfordshire Region.


Take a look at what else we do.

St Albans Builders

Hertfordshire's finest plasterers

We provide the highest quality in Plastering and Rendering services throughout St Albans, Radlett Harpenden, Redbourn, Bricket wood, Welwyn Garden City, Hatfield, Hemel Hempstead, Berkhamsted, Ware, Hertford, Radlett, Borehamwood, Stevenage. 


What are the different types of plastering and rendering services?


What is plastering? Its basically a coat of Plaster applied on the interior surface of walls or ceilings. Its a building material that's used for the protective or decorative coating of walls and ceilings

K Render

K Rend is a top-quality rendering product manufactured from silicone for superior water repelling results. By using this advanced silicone technology that's used to create K Rend, means that a high level of water repellency is achieved on the exterior of the building or wall surface being rendered. 

Sand and Cement Render

Cement rendering is still being used although outy dated. The application of a premixed layer of sand and cement to brick, concrete, stone, or mud brick. It is often textured colored, or painted after application. It is generally used on exterior walls but can be used to feature an interior wall.

Monocouche Render 

The word ‘monocouche’ is derived from French: mono (single) couche (coat), hence the term ‘one coat render.’ Weber monocouche creates a coloured render finish suitable for most types of brick or blockwork. Consisting of just a single coat, applied in two passes, this unique cement render saves time and resources compared to a traditional two coat system.

Plastering and Rendering



Garage Conversions

Property Extensions


Property Renovation