- Companies
- Civil engineering
- Grimsby
- Waterhouse Mechanical Pipework Services Limited
Waterhouse Mechanical Pipework Services Limited
- Company number
- 13021581
- Incorporated
- 15 Nov 20205 years trading
- Registered office
- 17 the Crescent, Holton-Le-Clay, Grimsby, DN36 5HJ
- Nature of business
- Construction of other civil engineering projects n.e.c.
Waterhouse Mechanical Pipework Services Limited is a 5-year-old private limited company registered in Grimsby, company number 13021581, one of 60 civil engineering contractors in Grimsby. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Waterhouse Mechanical Pipework Services LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £15K (-17.5%) on the year before, to £69K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £32K against £3,303 owed within a year: 9.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £69K | £32K | £3,303 | 1 | |
| 30 Nov 2024 | £84K | £71K | £28K | 1 | |
| 30 Nov 2023 | £81K | £86K | £52K | 0 | |
| 30 Nov 2022 | £33K | £49K | £40K | 0 | |
| 30 Nov 2021 | £11K | £14K | £31K | 0 |
Where Waterhouse Mechanical Pipework Services Limited is registered
The registered office is in Grimsby (DN36), in the East Lindsey local authority area, East Midlands. Show DN36 5HJ on a map.
Other trade companies in DN36
- Net Zero Renewables Ltd LtdBuilders
- Ultimate Civils LimitedCivil engineering
- K G Collins Roofing LtdRoofers
- Coops Autoneering LtdMechanics and garages
- Ibuild Projects LimitedProperty developers
- Humberside Power LimitedElectricians
- Home Fresh Property Maintenance LimitedFacilities management
- Home Fresh Professional Cleaning LimitedCleaning companies
What happens if Waterhouse Mechanical Pipework Services Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 13021581
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 November 2020 (5 years ago)
- Registered office
- 17 the Crescent, Holton-Le-Clay, Grimsby, DN36 5HJ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 10 February 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Grimsby
Other active civil engineering contractors registered in Grimsby.
- West Marsh Construction Limited2007
- WLS Project Controls Ltd2014
- Zennon Engineering Limited1986
- Zero34 Limited2019
- A F M Piping Systems Limited2014
- Anp Geotechnics Ltd2024
- Armstrong Co-Ordination Ltd2020
- Athom Inspection Limited2014
All civil engineering contractors in Grimsby · All trades in Grimsby · Civil engineering across the UK
Frequently asked questions
When are Waterhouse Mechanical Pipework Services Limited's accounts due?
Waterhouse Mechanical Pipework Services Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Waterhouse Mechanical Pipework Services Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Waterhouse Mechanical Pipework Services Limited still trading?
Waterhouse Mechanical Pipework Services Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Waterhouse Mechanical Pipework Services Limited do?
Waterhouse Mechanical Pipework Services Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Waterhouse Mechanical Pipework Services Limited?
Waterhouse Mechanical Pipework Services Limited was incorporated on 15 November 2020, 5 years ago.
What is the penalty if Waterhouse Mechanical Pipework Services Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Waterhouse Mechanical Pipework Services Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.