---
title: "BOILER UPGRADE LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8d61e1a6-e152-5bd0-aabb-dab0c9348275
json: https://whiteintel.dev/api/public/dossier/8d61e1a6-e152-5bd0-aabb-dab0c9348275
identifier: oo:GB-COH-15377020
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BOILER UPGRADE LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-15377020`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8d61e1a6-e152-5bd0-aabb-dab0c9348275  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8d61e1a6-e152-5bd0-aabb-dab0c9348275  

## Ownership & control

### Owners / controllers

- **Mr Declan James Whittle** (beneficial owner) — 100% — https://whiteintel.dev/entity/6b080063-588c-5f73-ba9b-5ff743851984
- **Mr Declan James Whittle** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a49e9230-1c4e-48b5-8ab5-8843e3d18046

### UBO chain (walk to the ultimate owner)

1. **Mr Declan James Whittle** — beneficial owner 100% → *BOILER UPGRADE LTD*
1. **Mr Declan James Whittle** — beneficial owner 87.5% → *BOILER UPGRADE LTD*

## Company profile (live · UK Companies House)

- **Company number:** `15377020`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2023-12-30
- **Registered office:** Hospital Farm Woodgate, Swanton Morley, Dereham, NR20 4NU, England
- **SIC:** 43220

## Financials (Companies House accounts)

| Figure | 2025-12-31 | 2024-12-31 |
|---|---:|---:|
| Net assets | -£215 | £19,571 |
| Cash | £18,688 | £47,013 |
| Shareholder funds | £1 | £1 |
| Fixed assets | £16,353 | £21,805 |
| Current assets | £19,668 | £49,066 |
| Employees | 1 | 1 |

_As filed at Companies House. Micro-entities file no profit-and-loss account._

### Officers

- WHITTLE, Declan James — director · British · appointed 2023-12-30

### Beneficial owners (Persons with Significant Control)

- Mr Declan James Whittle — 75–100% shares · individual PSC · England — since 2023-12-30

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/15377020
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15377020
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/15377020/filing-history

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BOILER UPGRADE LTD**. Human view: https://whiteintel.dev/entity/8d61e1a6-e152-5bd0-aabb-dab0c9348275 · Structured JSON: https://whiteintel.dev/api/public/dossier/8d61e1a6-e152-5bd0-aabb-dab0c9348275._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._