PS.
PublicSupply
account_balanceBuyersbusinessSuppliersdescriptionNotices
BuyersSuppliersNotices
verified_userData sourced from Contracts Finder, Find a Tender, and Companies House.
Contracts Finder ↗Find a Tender ↗Procurement Act 2023 ↗
  1. Home›
  2. Suppliers›
  3. Construction work (CPV 45)›
  4. BTU (Installation and Maintenance) Ltd
B(

BTU (Installation and Maintenance) Ltd

Construction work · Surrey
Large

BTU Group is a family-owned company that specializes in the installation and maintenance of heating and cooling systems for large public, industrial, and commercial buildings across London and the South East.

btu-group.com ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£484.5m
Live
32
Buyers
37
12m
£76.8m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities6
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts32 / 60
  • Top buyers37
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — BTU (Installation and Maintenance) LtdUpdated 06 Jul 2026

At a glance · for buyers and watchdogs

BTU (Installation and Maintenance) Ltd has won £484.5m across 37 public-sector buyers, with 32 live contracts. No active Companies House risk flags.

Why: top buyer NHS London Procurement Partnership (Hosted by Guy's and St Thomas' NHS FT) at 67% · 51% in Construction work · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
32 of 60Live contracts
67%Top-buyer concentration
51%Category exposure
0Contract modifications
If you're a buyer:CapabilitiesReferencesKPIComplianceWatchdog?FlagsModificationsConcentrationNews

Social value

Commitments mapped to the Government Social Value Model themes.

⚑ Self-reported
—

No social-value commitments yet

Jobs, skills, environmental, inequality and community commitments appear here once a claimed supplier attributes them to awarded contracts, or once we detect them on the supplier’s website.

ESG & policies vault · 0/5

Key governance & sustainability policies. Published documents link out; missing ones are greyed.

↔ Cross-checked
Net-zero planNot provided✓
Modern slavery statementNot provided✓
EDI policyNot provided✓
Anti-briberyNot provided✓
Data protectionNot provided✓

Capabilities

What this supplier does, where they sit, who they sell to.

◐ From website & notices
Services · 6
Heating, Ventilation and Air Conditioning Systems (HVAC)Hot and Cold-water ServicesPublic Health EngineeringElectrical Engineering InstallationsLighting and Emergency Lighting SystemsBMS and Control System Engineering and Analysis
Frameworks & DPS · 6 from notices
  • Total Facilities Management 2022 FrameworkNHS London Procurement Partnership (Hosted by Guy's and St Thomas' NHS FT) · £322.2m
  • Framework for the Provision of Sustainable Estates SolutionsNHS Commercial Solutions · £13.9m
  • Award - Multi Lot Framework Agreement for Minor WorksLondon Borough of Hillingdon · £4.5m
  • Planned and Reactive Maintenance of Mechanical and HVAC InstallationsReading Borough Council · £1.2m
  • Heating, Gas Appliances & Installations - Gas central heating installation (20% VAT)London Borough of Haringey · £470k
  • Supply and Replacement of Air Handling Units and Fire Dampers at Victoria Hospital (Deal, Kent)Kent Community Health NHS Foundation Trust · £385k

Extracted automatically from btu-group.com on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies

Delivery stories the supplier has published, with sector and outcome.

⚑ Self-reported
—

No case studies yet

Once a claimed supplier publishes delivery stories — the buyer, the sector, what was delivered and the outcome — they appear here.

Buyer references

Named public-sector contacts who have agreed to act as a reference.

✓ Confirmed by buyer
—

No buyer references yet

Public-sector buyers can confirm they'll act as a reference for this supplier. Confirmed references — with the contract they relate to — show here.

Accreditations & memberships · 1

Credentials listed on the supplier’s website. Not yet checked against issuer registers.

◐ From supplier website
Core credentials · 1/6
Cyber EssentialsNot evidenced✓
Cyber Essentials PlusNot evidenced✓
ISO 27001 — Information securityNot evidenced✓
ISO 9001 — QualityISO✓
ISO 14001 — EnvironmentalNot evidenced✓
ISO 45001 — Health & safetyNot evidenced✓

Extracted automatically from btu-group.com on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

KPI performance

Delivery, budget and satisfaction scores reported quarterly by buyers.

✓ Verified
84

No verified KPI scores yet

Once buyers report contract KPIs — delivery on time, on budget, satisfaction, adoption and accessibility — a weighted grade and breakdown appear here.

Contracts · 32 live · 28 historic

Pulled from Contracts Finder & Find a Tender. Most recent first.

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Maintain Framework
Echelon Consultancy Ltd5000000030 Apr 2026£67.6m4 yrsLive
Gas Inspections
Sussex Partnership NHS Foundation Trust4523122130 Apr 2026£250k3 yrsLive
25008 Cambridgeshire County Council Minor Works Framework Covering Building Fabric and Mechanical and Electrical Work
Cambridgeshire County Council—27 Apr 2026£7.4m3 yrspending
Heating, Ventilation and Air Conditioning Systems (HVAC) PPM, Remedial Repair and Install Works
Capital City College Group—13 Apr 2026—2.9 yrspending
Chilton E Block Air Handling Unit Replacement Works
UK HEALTH AND SECURITY AGENCY4533100005 Sept 2025£1.5m1.6 yrsLive
The Maintenance, Servicing and Minor Works for Mechanical Equipment and Systems within the Thames Valley Police Estate - AWARD
Thames Valley Police5072000001 May 2025£238k4.9 yrsLive
ESCC-HP-Planned Maintenance Framework
East Sussex County Council4521000001 Sept 2024—4 yrsLive
Framework Agreement for Minor, intermediate and Maintenance Work Construction Contracts
BIRKBECK COLLEGE4500000001 Nov 2024£14 yrsLive
Award - Multi Lot Framework Agreement for Minor Works
London Borough of Hillingdon4500000023 Sept 2024£4.5m4 yrsLive
Framework for the Provision of Sustainable Estates Solutions
NHS Commercial Solutions9070000001 Sept 2024£13.9m2 yrsLive
Total live value £414.4m · mean award £8.1m1–10 of 60

Top buyers · 37 buyers · top 3 = 90%

Share of awarded value. Concentration fires above 40% for any single buyer.

✓ From notices
1
NHS London Procurement Partnership (Hosted by Guy's and St Thomas' NHS FT)
2 contracts
67%
since 2022
2
Echelon Consultancy Ltd
1 contract
14%
since 2026
3
Hyde Housing Association Limited
2 contracts
10%
since 2022
4
NHS Commercial Solutions
1 contract
3%
since 2024
5
Cambridgeshire County Council
1 contract
2%
since 2026
6
London Universities Purchasing Consortium
2 contracts
1%
since 2021
7
London Borough of Hillingdon
2 contracts
1%
since 2024
8
Central and Cecil Housing Trust
1 contract
1%
since 2020
9
WESTWORKS PROCUREMENT LIMITED
2 contracts
1%
since 2023
10
Reading Borough Council
3 contracts
0%
since 2018

Category mix

CPV-division share of last-12m awarded value. Single-category exposure: 51%.

✓ From notices
Construction work45
51%
Repair & maintenance50
49%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
London25 contracts
80%
Eastern4 contracts
16%
South East27 contracts
5%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). BTU (Installation and Maintenance) Ltd highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
B(
BTU (Installation and Maintenance) Ltd
No£76.8m—
KC
Kier Construction
Yes£35.4m2
WD
Willmott Dixon Construction Limited
No£28.1m2
CC
Clegg Construction Limited
No£18.8m2
MS
Morgan Sindall Construction and Infrastructure
No£12.5m1
DF
DALKIA FACILITIES LIMITED
No£11.0m1
Compare peers →

Red flags · 0 active

Automated scan of Companies House status, charges and insolvency records.

✓ Verified
Annual accounts due in 21d. Next filing due 31 Jul 2026.

Compliance scorecard

Derived from Companies House filings — not a full supplier-assurance check.

↔ Cross-checked
Trading status
Active
Live at Companies House
Annual accounts
Due in 21d
Next due 31 Jul 2026
Confirmation statement
Up to date
Next due 09 Oct 2026
Outstanding charges
0
No charges registered
Insolvency history
None
No insolvency cases registered
Certifications (ISO, Cyber Essentials, Living Wage, B-Corp, modern-slavery) are supplier self-reported and appear once a claimed profile adds them.

Modifications

Variations to awarded contracts logged under Procurement Act 2023 s.74.

✓ From notices
±

No modifications recorded

No published contract variations for this supplier. Modification notices appear here as they are issued under the Procurement Act 2023.

News mentions

UK trade press & nationals, matched to this supplier.

◰

No news mentions found

We haven't matched any recent UK press coverage to this supplier. Mentions appear here automatically as they're published.

Companies House

Live sync — registered details, directors, PSC and SIC codes.

✓ Live sync

Registered details

Company no.
01561231
Status
Active
Type
Private limited
Incorporated
13 May 1981
Reg. office
38 Weyside Road, Guildford, Surrey, GU1 1JB
SIC codes
43210 · 43220 · 81100
Last accounts
31 Oct 2024
Next accounts due
31 Jul 2026

Directors & PSC

  • BASS, Paul William — secretary
    Appointed 01 Sept 2011
  • BASS, Paul William — director
    Appointed 01 Sept 2011
  • MCCRACKEN, Andrew Leslie — director
    Appointed 01 Nov 2010
  • Mr Andrew Leslie Mccracken — person with significant control
    significant influence or control
  • Mr Paul William Bass — person with significant control
    significant influence or control

Financial

Filed accounts from Companies House.

↔ From Cos House
£

No financial filings on record

Turnover, profit and headcount appear here once audited or micro-entity accounts are filed at Companies House.

Org tree

Group structure and ownership.

↔ From Cos House
BTU (INSTALLATION & MAINTENANCE) LIMITED
01561231 · this company

Independent. No parent company or subsidiaries recorded at Companies House for this entity.