# CLEAN ROOM CONSTRUCTION LIMITED (01176933)

> CLEAN ROOM CONSTRUCTION LIMITED is an active private limited company (company number 01176933) incorporated on 10 July 1974, registered in Rochester. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest full accounts cover the period ending 31 December 2024, showing net assets of £3.68m and cash of £4.01m, with 24 employees on average. Turnover was £5.57m and profit for the year £669k. Net assets fell 28% on the prior period (£5.11m).

- Status: Active
- Incorporated: 1974-07-10
- Registered office: Rochester, ME2 2LT
- SIC 43220: Plumbing, heat and air-conditioning installation
- Next accounts due: 2026-09-30
- Confirmation statement due: 2027-07-24
- Accounts type: FULL

By net assets it sits in the top quarter of 1,075 comparable companies in Kent (median £6,406, upper quartile £31k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2024-12-31 | £3.68m | £4.01m | — | £3.87m | £5.57m | £669k | 24 |
| 2023-12-31 | £5.11m | £6.76m | — | £5.01m | £10.93m | £1.78m | 24 |
| 2023-01-01 | — | — | — | — | — | — | — |

current ratio 1.93; net margin 12.0%; size band small.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £3,684,777 at 31 December 2024
- Net assets down 25% or more on the prior period: -27.9% vs prior period
- Current assets at least 1.5× creditors within one year: Current ratio 1.93
- Cash at bank of £50,000 or more: Cash £4,008,808
- Three or more accounting periods on record: 3 periods on record
- Incorporated five or more years ago: Incorporated 10 July 1974
- Accounts past their due date: Due 30 September 2026

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Rowhill Wood Capital Limited (corporate-entity) — owns 75–100% of shares; holds 75–100% of voting rights, since 2019-12-31

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/01176933
HTML: https://firmoscan.com/company/01176933-clean-room-construction-limited