- Companies
- Plumbers and heating engineers
- East Kilbride
- A Watertight Solution Ltd
A Watertight Solution Ltd
- Company number
- SC423472
- Incorporated
- 4 May 201214 years trading
- Registered office
- c/o Matthew White, 5 Strathkelvin Lane, East Kilbride, South Lanarkshire, G75 8GD
- Nature of business
- Plumbing, heat and air-conditioning installation; Other building completion and finishing; Roofing activities; Other letting and operating of own or leased real estate
A Watertight Solution Ltd is a 14-year-old private limited company registered in East Kilbride, company number SC423472, one of 45 plumbing and heating companies in East Kilbride. 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 £3,639 (+199.8%) on the year before, to £1,818.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £17K against £15K owed within a year: 1.1 times cover.
- 6 employees on average, up from 4 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £1,818 | £17K | £15K | 6 | |
| 31 May 2024 | -£1,821 | £14K | £3,282 | 4 | |
| 31 May 2023 | -£9,458 | £23K | £31K | 4 | |
| 31 May 2022 | £11K | £46K | £31K | 4 | |
| 31 May 2021 | £2,297 | £55K | £6,698 | 2 | |
| 31 May 2020 | £27K | £87K | £14K | 2 | |
| 31 May 2019 | £20K | £42K | £22K | 2 | |
| 31 May 2018 | £8,452 | £49K | £41K | 2 | |
| 31 May 2017 | £6,243 | £44K | £37K | 2 |
Where A Watertight Solution Ltd is registered
The registered office is in East Kilbride (G75), in the South Lanarkshire local authority area, Scotland. Show G75 8GD on a map.
Other trade companies in G75
- C.MC Flooring Solutions LtdFloor and wall tilers
- Restor8 LtdSpecialist contractors
- Lanrigg Developments LtdProperty developers
- Paul Corrigan Repair LtdMachinery repair and installation
- KSBL LtdBuilders
- DK Facilities Management LimitedFacilities management
- Fife Painters LtdRoofers
- Eden Technical Services LtdElectricians
What happens if A Watertight Solution 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 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
- SC423472
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 May 2012 (14 years ago)
- Registered office
- c/o Matthew White, 5 Strathkelvin Lane, East Kilbride, South Lanarkshire, G75 8GD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390)
Roofing activities (SIC 43910)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 30 April 2026
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 East Kilbride
Other active plumbing and heating companies registered in East Kilbride.
- A1 Plumbing, Heating & Trades Ltd2024
- Amh Plumbing & Heating Ltd2023
- Apc Pipefitting Limited2016
- Blantyre Park Services Ltd2006
- Camair Ltd2014
- Celsius Cooling Ltd2006
- Cleanburn Limited2026
- CMG Heating Ltd2012
All plumbing and heating companies in East Kilbride · All trades in East Kilbride · Plumbers and heating engineers across the UK
Frequently asked questions
When are A Watertight Solution Ltd's accounts due?
A Watertight Solution Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is A Watertight Solution Ltd'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 A Watertight Solution Ltd still trading?
A Watertight Solution Ltd 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 A Watertight Solution Ltd do?
A Watertight Solution Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390); Roofing activities (SIC 43910); Other letting and operating of own or leased real estate (SIC 68209).
How old is A Watertight Solution Ltd?
A Watertight Solution Ltd was incorporated on 4 May 2012, 14 years ago.
What is the penalty if A Watertight Solution 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 A Watertight Solution Ltd 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.