Awards, Accreditations & Certification

TSG Building Services plc has been established since 1961 and is a multi-disciplined building services and construction company providing unequalled and unrivalled services to Local Authorities and Housing Associations.
We have won a number of awards for our work within this sector including;

  • Domestic Heating Contractor of the Year in 2014, 2016, 2018 and 2020 H&V News Awards
  • Energy Efficient Installer of the Year at the 2015 H&V News Awards
  • High Efficiency Boiler Installer of the Year at the 2015 Heating and Renewable Awards
  • Energy Efficiency and Renewables Installer of the Year at the 2014 Energy Efficiency and Renewables Awards
  • Air Source Installer and Heat Efficient Installer of the Year at the 2012 Energy Efficiency and Renewables Awards
  • Awarded London and Quadrant's Major Refurbishment Contractor of the Year
  • Considerate Constructors Scheme Bronze Award

We are committed to maintaining the highest possible industry standards across all the areas which we operate. Below is a list of our accreditations.



BAFE is the independent registration body for Third Party Certificated fire safety organisations across the UK, who provide a national independent register of quality fire safety service providers.

British Standards Institution

British Standards Institution (or BSI), is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services, and also supplies certification and standards-related services to businesses.

Building Engineering Services Association

The Building Engineering Services Association (formerly known as the HVCA - Heating and Ventilating Contractors Association) is the UK's leading trade organisation for building engineering services contractors - representing the interests of firms active in the design, installation, commissioning, maintenance, control and management of engineering systems and services in buildings.


The CHAS health and safety assessment scheme is a pre-approval scheme to allow contractors to show potential clients that they meet the required health and safety standards. To become CHAS Accredited TSG Building Services had to demonstrate robust health and safety procedures.

Considerate Constructors Leading Lights

Considerate Constructors Leading Lights Awards – Community Overall Site Award in 2023

Considerate Constructors Scheme

The Considerate Constructors Scheme measures performance in a range of categories including: Care about Appearance | Respect the Community | Protect the Environment | Secure everyone’s Safety | Value their Workforce. This code is designed to raise industry standards and requires us to deliver construction activity with the greatest care and consideration.


Is an up-to-date register of pre-qualified suppliers for construction contracts, Constructionline is a common sense solution that 8,000 buyers from over 2,000 organisations are already making the most of. Construction line pre-qualify all of their suppliers to government standards using a strict and robust vetting and assessment procedure.

Environmental Agency

TSG is registered with the Environment Agency as an Upper Tier Carrier, Broker and Dealer.

To view TSG’s Waste Carriers License, please follow the link below:


Exor uses a set of standards that have been developed in consultation with clients to become the accepted criteria for qualification for public and private sector clients. Achieving Exor Approved Status is a statement of quality that demonstrates Financial viability, robust management procedures, competent administrative procedures, effective employment policies, competence/track record, relevant certification and licensing, environmental compliance.


From 4 July 2009 it became a legal requirement for all businesses that install, maintain or service stationary refrigeration, air-conditioning and/or heat pump equipment containing or designed to contain F-Gas refrigerants to obtain an F-Gas Company Certificate.

Fire Protection Association

The Fire Protection Association (FPA) is the UK's national fire safety organisation, who work to identify the dangers of fire and assist us a clients reduce any fire-related risks.


Members of the FMB agree to comply with the requirements in the Code of Practice when they join the FMB and every time they renew their membership. FMB membership helps business to demonstrate a commitment to the highest standards of customer service and workmanship in the building industry. The FMB Code of Practice for Members is a guide to the standard practices expected of the best builders in the industry.

Gas Safe Register

Gas Safe Register is the official gas registration body for the United Kingdom. Our engineers are registered to work safely and legally on boilers, cookers, fires and all other gas appliances.

Green Deal

Any installer wishing to carry out work under the Green Deal or ECO must be approved. To become an approved installer, TSG Building Services plc has proved we have management processes in place certified by the Green Deal Installer Installation Standard (PAS 2030:2012). PAS 2030, sets out the requirements that installers will follow to ensure that the installation of new energy efficiency measures installed are completed properly.


HETAS is the official body recognised by Government to approve biomass and solid fuel domestic heating appliances, fuels and services, including the registration of competent installers and servicing businesses. Solid fuel and biomass appliances are becoming even more popular with the growing demand for renewable energy solutions. To make sure appliances work safely and efficiently, it's important that installation and servicing is carried out by a properly trained and competent person.

ISO 14001

ISO 14001 is the principal management system standard which specifies the requirements for the formulation and maintenance of an Environmental Management System. This helps to control our environmental aspects, reduce impacts and ensure legal compliance.

ISO 9001:2015

ISO 9001:2015 sets out the criteria for a quality management system. This standard is based on a number of quality management principles including a strong customer focus, the motivation and implication of top management, the process approach and continual improvement.

Microgeneration Certification Scheme

Microgeneration Certification Scheme (MCS) is an internationally recognised quality assurance scheme, supported by the Department of Energy and Climate Change. To be able to claim government funding for renewable energy systems; both the product and the installer must be MCS Approved.


NHBC are the UK's leading warranty and insurance provider for UK house building for new homes. They provide inspection services, guidance and training to house builders as well as protection for homeowners through their range of Buildmark warranty products. As an insurer they are authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority.


NICEIC is the UK's leading voluntary regulatory body for the electrical contracting industry. Choosing an NICEIC registered electrician is a householder's best way to ensure a safe job. Electricians registered with NICEIC are assessed on a regular basis to ensure high standards and their work is checked against the IEE Wiring Regulations BS 7671 as well as other standards.

Renewable Energy Consumer Code

The aim of the Renewable Energy Consumer Code (RECC) is to ensure that consumers wishing to install a small-scale heat or power generation unit for their homes have the necessary confidence and service standards so that they can make an informed choice. Small-scale heat or power generation units are small-scale devices which enable you to generate your own heat or power from renewable or non-renewable, low carbon sources. The Code sets out the high standards of consumer protection in marketing, pre-contractual information, quotations, deposits, contracts, guarantees and after-sales service for domestic consumers (referred to as Consumers in this Code).The Code applies to Code Members who are selling small-scale heat and power generators, whether from renewable or other low carbon sources (referred to collectively as 'Energy Generators' in this Code), and any product connected or linked to the Energy Generator (including Battery storage units and referred to as Related Products in this Code), to Consumers.


Safecontractor delivers a tailored H&S accreditation allowing contractors to showcase their capabilities and compliance with Health and Safety Legislation and Practises.


SafePQQ is an extension of the SafeContractor H&S contractor management system and provides greater visibility of our supply chain. SafePQQ includes common question sets as defined within PAS91, a standardised pre-qualification questionnaire. Being SafePQQ verified demonstrates that TSG are a safe, ethical and sustainable company to work with.


As a TrustMark approved business, TSG are able to demonstrate our commitment to working to the highest standards & recognised for our quality trading practises and customer service. TSG are certified to install the measures against the Publicly Available Specifications (PAS) standards 2030 by a certification body that has been accredited by UKAS, whilst also complying with the PAS2035 standards.

Two Ticks

The 'two ticks' positive about disability symbol is awarded by Jobcentre Plus to employers whohave made commitments to employ, keep and develop the abilities of disabled staff.

The relationship between TSG and Bedford Pilgrim Housing Associations is that of a partnership. They are always willing to work with us to resolve issues and the teams enjoy an honest and open relationship which reflects positively on the levels of service we are able to give.

Bedford Pilgrim Housing Associations

just a few of our Clients

Settle Group
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