We have now moved premises.  Our new address is:  Wharf Road, Horncastle, Lincs LN9 5HL.  Our new telephone number is:  01507 524624.  Our new showroom will be open from 01 October at the above address - we look forward to seeing you then. 

Insulated Conservatory Roofs | Windows & Doors | Conservatories | Conservatory Upgrades | Window & Door Repairs | Roofline | Blind Fittings

Covering the whole of Lincolnshire   

ThermoGreen are a home improvement company who work hard to provide customers with modern new home upgrades throughout Lincolnshire. We offer many services to give your home a fresh look including insulated conservatory roofs, new windows and doors, window and door repairs, conservatory upgrades, roofline products and  beautiful blinds for your home.  

Whether you’re looking to install an insulated conservatory roof for your home to keep the heat in during the winter months and the hot sun out during the summer or considering the installation of a modern, bright secure conservatory, your request becomes our priority. From installing new double or triple glazed windows and lovely modern composite doors to carrying out repairs to your existing windows and doors you are important to us.  From fitting our unique range of made-to-measure blinds and new roofline features to give your home that finishing touch we care. Regardless of what home improvements you require, we are confident we have something for you when it comes to improving your home with that extra bit of style and freshness.

Based in Lincolnshire, ThermoGreen uphold many years of extensive knowledge and experience when it comes to improvements and repairs. The importance of customer satisfaction reflects our core company principle along with a responsive service that produces quality and precision throughout our window, door and conservatory installations, conservatory upgrades and fascia, soffit and guttering installations. 

Thinking about replacing your windows and doors?  Thinking about treating yourself to a conservatory?  Thinking about upgrading your conservatory?  Our team at ThermoGreen offer expert advice on the best ways to give your home a makeover.  You may like our ThermoSave insulated ceiling or our equinox® tiled conservatory roof whose many benefits include reduced glare, reduced rain noise and reduced energy costs. Whether you want to use your conservatory all year round, whether your windows could do with replacing or whether you fancy a modern composite front door, ThermoGreen can help you.  Maybe you simply need some new window handles or you have some misted up window units, perhaps you want to dress your windows with new blind fittings, whatever the problem call us today for more information. 

No job too small for your friendly local company - ThermoGreen

Covering the whole of Lincolnshire

TELEPHONE:  01507 524624

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Peace of Mind

ThermoGreen, a local family run business, have been in the Home Improvement industry for over 35 years. We are proud members of the Guild of Master Craftsmen, are CERTASS registered and have full public liability insurance. We offer GGFi insurance backed guarantees along with our own company guarantees and all our work is carried out in a professional, caring manner with an appreciation that we are working in your home. 

All estimates are provided free of charge with no obligation. 

No Pressurised Selling

Here at ThermoGreen we don't believe in pressurised selling. From the moment you contact us we are friendly, knowledgable and helpful. If you would like us to visit you at home, we will simply turn up at an agreed day and time, show you the product you are interested in, answer any questions you may have, take approximate measurements where necessary and then either give you the price there and then or tell you that we will put your quotation in the post within the next couple of days.

It is entirely up to you when, or if, you come back to us. There is absolutely no hard sell.


We have a brand new showroom now open at Wharf Road, Horncastle, Lincs, LN9 5HL.  Come and see our range of A-rated windows, composite doors, insulated conservatory roofs, remote control garage doors and beautiful blinds for your home. 

Reasons To Contact Us

You want to use your conservatory ALL YEAR ROUND
You are thinking about replacing your windows
You fancy a modern, security conscious new front door
You want to tidy up the look of your home with new fascias, soffits, guttering or dry verge
Your conservatory is looking tired and has some problems
You have misted up windows or need new window or door handles
You want to create new space in your home with a conservatory
You have some home improvements to do and don't know who to ask
You want to dress your windows with elegant new blinds
You want to use a family-run, friendly local company with bags of experience
You want to be treated with respect and professionalism throughout