- Companies
- Plumbers and heating engineers
- Swansea
- Watershield (SW) Ltd
Watershield (SW) Ltd
- Company number
- 06965902
- Incorporated
- 17 Jul 200917 years trading
- Registered office
- 12A Burman Street, Swansea, SA1 6BW
- Nature of business
- Plumbing, heat and air-conditioning installation
Watershield (SW) Ltd is a 17-year-old private limited company registered in Swansea, company number 06965902, one of 148 plumbing and heating companies in Swansea. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £7,816 (-98%) on the year before, to £161.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £74K against £72K owed within a year: 1.0 times cover.
- 3 employees on average during the year.
- 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 Jul 2025 | £161 | £74K | £72K | 3 | |
| 31 Jul 2024 | £7,977 | £28K | £36K | 3 | |
| 31 Jul 2023 | £29K | £35K | £53K | 3 | |
| 31 Jul 2022 | £12K | £41K | £34K | 3 | |
| 31 Jul 2021 | £237 | £60K | £33K | 3 | |
| 31 Jul 2020 | £323 | £69K | £31K | 4 | |
| 31 Jul 2019 | £845 | £38K | £37K | 4 | |
| 31 Jul 2018 | £1,703 | £25K | £24K | ||
| 31 Jul 2017 | £187 | £26K | £27K | ||
| 31 Jul 2016 | £16K | £30K | £16K |
Where Watershield (SW) Ltd is registered
The registered office is in Swansea (SA1), in the Swansea local authority area, Wales. Show SA1 6BW on a map.
Other trade companies in SA1
- JDS Ringside Customs LtdRepair services
- D & M Carpentry and Construction LimitedCivil engineering
- Westway Window Systems LimitedJoiners and carpenters
- International Classic Car Sales LtdMotor traders
- Edefec LtdBuilders
- Swansea Scaffolding Services LtdScaffolders
- Lou's Paint and Finish LimitedPainters and decorators
- Mesa Property Development LtdProperty developers
What happens if Watershield (SW) Ltd 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 06965902
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 July 2009 (17 years ago)
- Registered office
- 12A Burman Street, Swansea, SA1 6BW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 17 July 2025
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Swansea
Other active plumbing and heating companies registered in Swansea.
- Webborn's Industrial Services Ltd2025
- Whitecross and Son Limited2003
- 6 Energy Limited2026
- Abertawe Heating & Plumbing Ltd2013
- About Drains Ltd2024
- Air Conditioning & Heat Pumps Limited2026
- Air Source Energy South Wales Limited2022
- Altan Plumbing & Heating Ltd2021
All plumbing and heating companies in Swansea · All trades in Swansea · Plumbers and heating engineers across the UK
Frequently asked questions
When are Watershield (SW) Ltd's accounts due?
Watershield (SW) Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Watershield (SW) Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Watershield (SW) Ltd still trading?
Watershield (SW) Ltd is listed as active on the Companies House register (checked 12 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 Watershield (SW) Ltd do?
Watershield (SW) Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Watershield (SW) Ltd?
Watershield (SW) Ltd was incorporated on 17 July 2009, 17 years ago.
What is the penalty if Watershield (SW) Ltd 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 Watershield (SW) Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.