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Leaf Heat Ltd

London · Ltd · Est. 2014
1% Revenue to RainforestFully PaperlessCarbon Offset Verified

Gas Safe registered heating and plumbing business committed to environmental responsibility. Donates 1% of all sales to the World Land Trust for rainforest protection. Fully paperless operation. Carbon offset through verified tree planting. Approved Vaillant installers.

Founded
2014
Employees
18 staff
Turnover
£1m–£5m
Companies House
09901234
Last Verified
Mar 2026
Social Ethics Score
78/ 100
emoji_eventsResponsible · Top 5% in UK
assignmentGovernance
7.6
ecoCommunity
8.0
paymentsTax
7.4
groupsEmployment
8.0
campaignCause
8.2
Score updates from live register data
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Why Leaf Heat Ltd scores 78/100

PillarEvidenceSourceScore
assignmentGovernance
Legal structure: Ltd. Mission statement verified. Companies House filing reviewed.Companies House · B-Corp7.6
ecoCommunity
£18,000 donated in FY2024 (2.1% of profit). Verified via Charity Commission.Charity Commission8.0
paymentsTax
Effective UK corporation tax rate: 19.8% (vs 19% statutory norm). HMRC records show no adverse findings.HMRC · Fair Tax Mark7.4
groupsEmployment
Minimum wage paid: £13.85/hr. Zero-hours: 0%. Gender pay gap: 8.6%. 0 tribunal losses in 5 years.LWF · DWP · Tribunals8.0
campaignCause
Assessed from public advocacy record, employee volunteering policy (3 days/yr), and cause promotion activities.Third Party Auditors8.2

Leaf Heat Ltd

Leaf Heat was founded in London with a simple premise: deliver excellent plumbing and heating services while genuinely minimising environmental impact. The company offsets all van emissions, operates entirely paperlessly, and donates 1% of revenue to the World Land Trust — not just carbon credits, but actual habitat preservation.

How Leaf Heat Ltd treats its people

£13.85/hr
Min. wage paid
Real LW: £12.60
0%
Zero-hours contracts
UK avg: 18%
8.6%
Gender pay gap
UK avg: 14.3%
3
Volunteer days/yr
Per employee
0
Tribunal losses
Past 5 years

Tax transparency

Leaf Heat Ltd's effective rate
19.8%
UK corporation tax (2024)
UK statutory rate
25%
Main rate · SME relief typically reduces to ~19%
infoAll data on this page is pulled from public registers: Companies House, HMRC, Charity Commission, and accreditation body databases. Leaf Heat Ltd has not paid for this listing or influenced its content. Last data pull: 29/03/2026.