- Company number
- 03054836
- Incorporated
- 10 May 199531 years trading
- Registered office
- 3A Quay View Business Park, Barnards Way, Lowestoft, Suffolk, NR32 2HD
- Nature of business
- Construction of domestic buildings
Sovereign Plumbing Limited is a 31-year-old private limited company registered in Lowestoft, company number 03054836, one of 60 building contractors in Lowestoft. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 up £118K (+23.8%) on the year before, to £613K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £1.3M against £765K owed within a year: 1.7 times cover.
- 17 employees on average, up from 11 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £613K | £626K | £1.3M | £765K | 17 |
| 31 May 2024 | £495K | £664K | £914K | £443K | 11 |
| 31 May 2023 | £394K | £592K | £777K | £398K | 11 |
| 31 May 2022 | £263K | £360K | £623K | £345K | 8 |
| 31 May 2021 | £188K | £235K | £364K | £149K | 10 |
| 31 May 2020 | £171K | £192K | £366K | £144K | 10 |
| 31 May 2019 | £58K | £97K | £287K | £229K | |
| 31 May 2018 | -£35K | -£88K | £137K | ||
| 31 May 2017 | £21K | £161K | £139K | ||
| 31 May 2016 | £40K | £38K | £311K | £271K |
Who runs and owns Sovereign Plumbing Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| B*** C*** | Director | Jun 2024 |
| P*** H*** | Director | Jun 2024 |
| A*** H*** | Director | Jun 2024 |
8 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** C*** | Secretary | Feb 1997 | Jan 2004 |
| K*** H*** | Secretary | Jan 2004 | Mar 2007 |
| P*** L*** | Secretary | Mar 2007 | May 2018 |
| G*** P*** | Secretary | May 2018 | Jun 2024 |
| C*** R*** | Secretary | May 1995 | Jan 1997 |
| E*** C*** | Director | May 1995 | Aug 2012 |
| P*** L*** | Director | Jan 2007 | May 2018 |
| G*** P*** | Director | May 2018 | Jun 2024 |
Person with significant control
Where Sovereign Plumbing Limited is registered
The registered office is in Lowestoft (NR32), in the East Suffolk local authority area, East of England. Show NR32 2HD on a map.
Other trade companies in NR32
- Ezra Access Solutions LtdScaffolders
- SLC Plumbing LtdPlumbers and heating engineers
- Yare Developments LimitedProperty developers
- RLB Cleaning and Maintenance LtdFacilities management
- Tech Sparrow LtdMachinery repair and installation
- A J Knights LtdProperty developers
- Cool Beans Air LtdPlumbers and heating engineers
- HR Electrical (East Anglia) LtdElectricians
Also registered at this address
20 other companies use the same registered office as Sovereign Plumbing Limited.
- A & K Woodgate LimitedInstallers
- Ashness Assured LimitedProperty developers
- C.& E.Piggeries LimitedMechanics and garages
- Carlton Colville Service Station LimitedMechanics and garages
- D & J Metals LimitedMachinery repair and installation
- Darren Self LimitedMachinery repair and installation
- East Coast Boat Building Services LimitedMachinery repair and installation
- East Coast Scaffolding LimitedScaffolders
- Eurokart LimitedMotor traders
- G Wood Carpentry LimitedJoiners and carpenters
- Gentry Services (E.A.) LimitedElectricians
- HJR Development LimitedBuilders
- John Gower LimitedMachinery repair and installation
- Russell & Son Plumbing & Heating LimitedPlumbers and heating engineers
- Smart Refinish LimitedMechanics and garages
- Southern Commissioning LimitedInstallers
- Tramway Properties LimitedProperty developers
- Warbler Properties LimitedProperty developers
- Waveney Lift Truck Rentals LimitedMachinery repair and installation
- Yarco Cars and Vehicles LtdMotor traders
What happens if Sovereign Plumbing 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 03054836
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 May 1995 (31 years ago)
- Registered office
- 3A Quay View Business Park, Barnards Way, Lowestoft, Suffolk, NR32 2HD
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 10 May 2026
- Previous names
- Cripps Construction Limited (until 20 Aug 2012)
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Lowestoft
Other active building contractors registered in Lowestoft.
- Stag Building Company Limited2016
- Stellan Group Ltd2026
- Sunrise Building Services Limited2026
- SVW Builders Limited2010
- TCM Consultants Ltd2026
- TDP Group Ltd2014
- The Grain Store Project Limited2021
- The Village (Norfolk Broads) Limited2006
All building contractors in Lowestoft · All trades in Lowestoft · Builders across the UK
Frequently asked questions
When are Sovereign Plumbing Limited's accounts due?
Sovereign Plumbing Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Sovereign Plumbing Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Sovereign Plumbing Limited still trading?
Sovereign Plumbing 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 Sovereign Plumbing Limited do?
Sovereign Plumbing Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Sovereign Plumbing Limited?
Sovereign Plumbing Limited was incorporated on 10 May 1995, 31 years ago.
Who runs Sovereign Plumbing Limited?
Sovereign Plumbing Limited has 3 active directors, the longest-serving appointed in Jun 2024. Their names and service addresses are on the Companies House register.
Who owns Sovereign Plumbing Limited?
One person or company has significant control of Sovereign Plumbing Limited: Sovereign Plumbing Partners Limited (owns 50% to 75% of the shares).
What is the penalty if Sovereign Plumbing 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 Sovereign Plumbing 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.