Recommended Building Contractors

Thornwood Construction Ltd are experienced, highly recommended builders. Based in Ongar, we fulfil building contracts through Essex, Kent and London. We undertake the full range of building contracts:

New build construction of Houses, Flats, Retail and Commercial properties
Extensions, including Loft Conversions
Refurbishment of all types of properties
Restoration of Bars and other Heritage buildings


Houses, flats, offices & shops. Let us fully project manage your property development. From liaison with your architect to ensuring conformance with building regs.


We have undertaken renovations, on every scale. From a fully rebuilt bungalow to extensive restoration of barns and listed buildings, we are renovation & restoration experts.


Loft conversions can add significant living space without increasing your home’s footprint. Before moving home to upsize, talk to us about extending your home.

Recommended, Reliable Builders

We have been building, extending and refurbishing buildings in the Essex, Bedfordshire, Kent & London area for over 20 years. Our success is based on three important factors:

Building Project Management


We can take on responsibility for every aspect of your building project. This includes working with architects to arrange plans and also with council planning departments to iron out any early stage issues. When the job is in progress we work with surveyors and building control, ensuring compliance with all regulatory requirements at every stage. This gives the property owner peace of mind, knowing that an expert is co-ordinating the whole building project.

Design & Attention to Detail


Our roots are in repair and renovation of old, ornate buildings, see About Us page. We pay attention to the detail of each project we work on. We also apply our design knowledge and skills to add to the appeal of a building. This can be an additional aesthetic feature built in to the project, or alternatively, it can come in the form of a creative solution to an unexpected problem. We are very happy to share our design ideas with you.

Reliability & Quality Builds


When we take on a building contract we know that our reputation is on the line. Our reputation is of great importance to us, and the vast majority of our work. The vast majority of our work comes from recommendation; from satisfied customers and from building professionals – architects and surveyors. They recommend us because we have a proven track record of reliability and customer satisfaction.