- Companies
- Civil engineering
- Coventry
- Watertight Management Limited
Watertight Management Limited
- Company number
- 07245349
- Incorporated
- 6 May 201016 years trading
- Registered office
- Severn Trent Centre, 2 ST John's Street, Coventry, CV1 2LZ
- Nature of business
- Construction of water projects
Watertight Management Limited is a 16-year-old private limited company registered in Coventry, company number 07245349, one of 112 civil engineering contractors in Coventry. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £1.6M (-57.5%) on the year before, to £1.2M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £4.9M against £2.7M owed within a year: 1.8 times cover.
- 25 employees on average, up from 20 the year before.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2024 | £1.2M | £1.2M | £4.9M | £2.7M | 25 |
| 31 Mar 2023 | £2.8M | £3.7M | £5.2M | £2.5M | 20 |
| 31 Mar 2022 | £1.7M | £672K | £2.3M | £785K | 23 |
| 31 Mar 2021 | £1.6M | £1M | £2.1M | £700K | 13 |
| 31 Mar 2020 | £1M | £829K | £1.5M | £726K | 6 |
| 31 Mar 2019 | £829K | £223K | £963K | £484K | |
| 31 Mar 2018 | £1.1M | £198K | £1M | £270K | |
| 31 Mar 2017 | £779K | £274K | £623K | £172K | |
| 31 Mar 2016 | £408K | £160K | £423K | £127K | |
| 31 Mar 2015 | £194K | £217K | £287K | £136K |
Public contracts won
Watertight Management Limited has one public sector contract award on record; the ones with their own published value total £1.5M (2022). Source: Contracts Finder and Find a Tender award notices.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Solihull Metropolitan Borough Council | SOL - Property Flood Resilience (Phase 2) | £1.5M | 16 Jun 2022 |
Where Watertight Management Limited is registered
The registered office is in Coventry (CV1), in the Coventry local authority area, West Midlands. Show CV1 2LZ on a map.
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Also registered at this address
2 other companies use the same registered office as Watertight Management Limited.
- Mains Infrastructure Construction LimitedCivil engineering
- Synergen Utilities LimitedCivil engineering
What happens if Watertight Management 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 07245349
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 May 2010 (16 years ago)
- Registered office
- Severn Trent Centre, 2 ST John's Street, Coventry, CV1 2LZ
- Nature of business
- Construction of water projects (SIC 42910)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 11 May 2026
- Charges (mortgages)
- 0 outstanding of 4 registered
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 Coventry
Other active civil engineering contractors registered in Coventry.
- Wellington Home Design Ltd2026
- Zogtech Ltd2020
- 3G'S Civils Ltd2023
- Adh Construction Engineering Ltd2016
- Ady Services ( Midlands) Limited2014
- Ajbb Construction Limited2008
- Ajm Construction (Midlands) Ltd2024
- Alstrack Ltd2025
All civil engineering contractors in Coventry · All trades in Coventry · Civil engineering across the UK
Frequently asked questions
When are Watertight Management Limited's accounts due?
Watertight Management Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Watertight Management Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Watertight Management Limited still trading?
Watertight Management 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 Watertight Management Limited do?
Watertight Management Limited is registered under Construction of water projects (SIC 42910).
How old is Watertight Management Limited?
Watertight Management Limited was incorporated on 6 May 2010, 16 years ago.
Has Watertight Management Limited won public sector contracts?
Yes. Watertight Management Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1.5M), most recently from SOLIHULL METROPOLITAN BOROUGH COUNCIL.
What is the penalty if Watertight Management 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 Watertight Management 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.