About Johanas
At Johanas Construction, we are committed to providing top-quality Heating and Insulation solutions to homeowners. With over 8 years of experience in the industry, we have established ourselves as a trusted name synonymous with reliability and excellence.

Why Choose Johanas Construction?
Experience
Expert Team
Quality Assurance
Personalized Service
Our Mission
Get in Touch
Our Services
Providing Quality External Wall Insulation, Render & Plastering

EXTERNAL WALL INSULATION
Johanas Construction specializes in providing top-quality external wall insulation products and services. Our external wall insulation boards are fixed to the outside of your property, followed by rendering to provide a protective and decorative finish.

RENDER
External wall render has become increasingly popular over the last few years. One of Johanas Construction’s most sought-after services is silicone render.

PLASTERING
Johanas Construction provides plastering services for new builds and domestic properties. Our skilled and courteous team of plasterers uses both one and two coat plaster work to ensure your project is completed to the highest standard.
Our Projects








Contact Us
Thank you for your interest in Johanas Construction. We would be happy to discuss the requirements for your project regarding Rendering, External Wall Insulation, Plastering, or Brick Slips.
Please complete the form below, providing as much information as you can for the service you require. Alternatively, see our contact details below:
F&Q
To help you save time before you contact us by phone or email, we would like to ask if you could spare some time reading a list of all the commonly encountered questions along with their answers before making a query.
No, our quotation service is completely free. One of our managers will evaluate your project, and we’ll strive to provide you with a written quote within three days of the assessment.
Yes, we typically send our quotes via email. If you don’t have an email address, we can mail the quote to you instead. Please note that one of our managers will need to visit the site before we can provide the quote.
We serve all areas within London, from zones 1 to 6. For larger projects, we are also willing to travel outside of London.
The best way to request a quote is by filling out our online form on the “Contact us” page. This ensures we receive all the necessary information. Alternatively, you can email us at info@johanasconstruction.com.
Once we receive your confirmation, we typically start the project within five working days. If you need us to begin sooner, we will do our best to accommodate your request.
Yes, we work on weekends, especially if a customer needs a job completed promptly.