91/ 100
Robust

CALDERA HEAT BATTERIES LIMITED

Active11020413|Private Limited Company|Est. 9 years ago|Updated 19 Oct 2026
Financial Health
61
Compliance & Legal
76
Governance & Structure
75
Network Risk
59
Operational Quality
80

CALDERA HEAT BATTERIES LIMITED (11020413) is a private limited company registered in FAREHAM, incorporated in 2017. The company operates in the manufacture of batteries and accumulators sector. Our database holds 26 signals from 13 official sources covering this company's filings, appointments, and regulatory records. Risk assessment: 91/100 ("robust"), reflecting a strong compliance and financial profile.

Key Facts

Status
Active
Company Type
Private Limited Company
Location
FAREHAM, PO15 5TX
Incorporated
18 Oct 2017
Accounts Category
TOTAL EXEMPTION FULL
Next Accounts Due
30 Sept 2027
Next Statement Due
18 Feb 2027
Est. Employees
11-50
Revenue Range
1M-5M
Mortgage Charges
1
Outstanding
0

About CALDERA HEAT BATTERIES LIMITED

CALDERA HEAT BATTERIES LIMITED is an active private limited company incorporated in 2017 in Fareham, engaged in the manufacture of batteries and accumulators. The business provides zero carbon industrial heat solutions using electric storage boilers to convert renewable electricity into reliable industrial steam or hot water.

Business Profile

Business Model
B2B
Target Market
Industrial manufacturers
Key Products & Services
Electric Storage BoilersIndustrial steam solutionsHot water systemsETES (Electro Thermal Energy Storage)

Company History

  • PUMPED HEAT LIMITEDChanged 15 Jul 2020

Directors (6)

View all
  • MJ
    MR JAMES DONNELLY MACNAGHTEN
    Director since 18 Oct 2017
  • MG
    MR GUY ALEXANDER JAMES WINSTANLEY
    Director since 12 Mar 2018
  • MA
    MR ANDREW CHARLES BROWN
    Director since 21 Feb 2020
  • MM
    MR MARK LEE
    Director since 21 Feb 2020
  • Director since 1 Apr 2025

Data Signals

View details
26
Total Signals
13
Data Sources
91/100
Risk Score

Standard data coverage across 13 sources. Risk score of 91 indicates a strong compliance profile.

Financial
8
innovation
6
Governance
4
Compliance
3
Trade
3
Risk
2

Industry Context

CALDERA HEAT BATTERIES LIMITED is 1 of 1 manufacture of batteries and accumulators companies in FAREHAM, out of 282 active companies in this sector nationally (349 including dissolved).

7.6 yrs
Sector avg. age
75.9%
Older than peers
14%
Sector dissolution
Company: 9 yearsSector avg: 7.6 yrs
Older than 75.9% of active companies in this sector

Property Portfolio

CALDERA HEAT BATTERIES LIMITED is listed as the proprietor of 1 property in the HM Land Registry.

Properties are located in South East.

Financial Summary

as of 31 Dec 2025
Net Assets
£2.2M
Employees
22

Mortgage Charges

1
Total charges
0
Outstanding
1
Satisfied

Financial History

22 employees as of 31 Dec 2025.

YearTurnoverProfitNet Assets
31 Dec 2025——£2.2M
31 Dec 2024—-£1.4M—
31 Dec 2023—-£318K—

Innovation & Grants

3
Grants awarded

CALDERA HEAT BATTERIES LIMITED has received 3 Innovate UK grants. This shows active participation in UK innovation programmes.

Capabilities & Expertise

Services
Learn more
Specialisations
Affordable decarbonisationZero carbon industrial heat
Technologies
Electro Thermal Energy Storage (ETES)Heat pumps

Compliance & Trade

☑
ICO Registered
☑
LEI Registered
☑
Importer

Data Sources

This company profile is built from 10 official data sources: Ch Officers, Companies House, GLEIF, Gateway to Research, HM Land Registry, HMRC Trade Info, ICO, Innovate UK, Uk Trade Info, WHOIS.

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Frequently Asked Questions

What does CALDERA HEAT BATTERIES LIMITED do?

CALDERA HEAT BATTERIES LIMITED is an active private limited company incorporated in 2017 in Fareham, engaged in the manufacture of batteries and accumulators.

Who are the directors of CALDERA HEAT BATTERIES LIMITED?

Current directors include MR JAMES DONNELLY MACNAGHTEN, MR GUY ALEXANDER JAMES WINSTANLEY, MR ANDREW CHARLES BROWN and 2 more.

Where is CALDERA HEAT BATTERIES LIMITED registered?

CALDERA HEAT BATTERIES LIMITED is registered in FAREHAM, United Kingdom.

What is the SIC code for CALDERA HEAT BATTERIES LIMITED?

CALDERA HEAT BATTERIES LIMITED operates under SIC code 27200 — Manufacture of batteries and accumulators.

What is the risk score for CALDERA HEAT BATTERIES LIMITED?

CALDERA HEAT BATTERIES LIMITED has a risk score of 91 out of 100, classified as "Robust". This score is calculated from 26 data signals across 13 government sources.

When are the next accounts due for CALDERA HEAT BATTERIES LIMITED?

The next accounts for CALDERA HEAT BATTERIES LIMITED are due on 30 Sept 2027.

Was CALDERA HEAT BATTERIES LIMITED previously known by another name?

Yes, CALDERA HEAT BATTERIES LIMITED was previously known as PUMPED HEAT LIMITED.

What products or services does CALDERA HEAT BATTERIES LIMITED offer?

CALDERA HEAT BATTERIES LIMITED offers Electric Storage Boilers, Industrial steam solutions, Hot water systems, ETES (Electro Thermal Energy Storage).

Does CALDERA HEAT BATTERIES LIMITED own property in the UK?

Yes, CALDERA HEAT BATTERIES LIMITED is listed as the proprietor of 1 property in the HM Land Registry, located in South East.

How many employees does CALDERA HEAT BATTERIES LIMITED have?

According to the latest filed accounts (31 Dec 2025), CALDERA HEAT BATTERIES LIMITED has 22 employees.

What is the manufacture of batteries and accumulators sector like in the UK?

The dissolution rate for the manufacture of batteries and accumulators sector in the UK is 14%. The average company age in this sector is 7.6 years.

Is CALDERA HEAT BATTERIES LIMITED still trading?

CALDERA HEAT BATTERIES LIMITED is currently listed as "Active" on Companies House, indicating it is still a registered company. An "Active" status means the company has not been dissolved, struck off, or entered into liquidation.

What type of company is CALDERA HEAT BATTERIES LIMITED?

CALDERA HEAT BATTERIES LIMITED is registered as a Private Limited Company, which is a company limited by shares whose shares are not offered to the general public. It is the most common type of UK company, offering limited liability to its shareholders.

How old is CALDERA HEAT BATTERIES LIMITED?

CALDERA HEAT BATTERIES LIMITED was incorporated on 18 Oct 2017, making it 9 years old. The company remains active and in good standing.

What industry does CALDERA HEAT BATTERIES LIMITED operate in?

CALDERA HEAT BATTERIES LIMITED is classified under SIC code 27200 (Manufacture of batteries and accumulators). The Standard Industrial Classification system is used by the UK government to categorise businesses by their primary economic activity.

How much data is available on CALDERA HEAT BATTERIES LIMITED?

We track 26 data signals from 13 official government sources for CALDERA HEAT BATTERIES LIMITED.

Data verified: 19 Oct 2026 from 13 official sources · Data sourced from Ch Officers, Companies House, GLEIF, Gateway to Research, HM Land Registry, HMRC Trade Info, ICO, Innovate UK, Uk Trade Info, WHOIS and other official UK government databases. Verify on Companies House.