- Company number
- 09971610
- Incorporated
- 26 Jan 201610 years trading
- Registered office
- 122 Fore Street, Saltash, PL12 6JW
- Nature of business
- Roofing activities
Watertight Roofing (SW) Limited is a 10-year-old private limited company registered in Saltash, company number 09971610, one of the UK's roofing companies. 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 up £5,799 (+1.3%) on the year before, to £443K.
- Net assets rose in 8 of 8 year-on-year comparisons on record.
- Current assets of £330K against £198K owed within a year: 1.7 times cover.
- 24 employees on average, up from 21 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 Mar 2025 | £443K | £141K | £330K | £198K | 24 |
| 31 Mar 2024 | £437K | £229K | £394K | £228K | 21 |
| 31 Mar 2023 | £300K | £72K | £210K | £165K | 21 |
| 31 Mar 2022 | £181K | £27K | £88K | £163K | 16 |
| 31 Mar 2021 | £169K | £146K | £231K | £83K | 12 |
| 31 Mar 2020 | £163K | £107K | £208K | £58K | 8 |
| 31 Mar 2019 | £61K | £80K | £38K | ||
| 31 Mar 2018 | £32K | £55K | £40K | ||
| 31 Jan 2017 | £8,659 | £16K | £14K |
Public contracts won
Watertight Roofing (SW) Limited has one public sector contract award on record; the ones with their own published value total £27K (2026). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Gov Facility Services Ltd | Roofing Works | £27K | 7 Apr 2026 |
Where Watertight Roofing (SW) Limited is registered
The registered office is in Saltash (PL12), in the Cornwall local authority area, South West. Show PL12 6JW on a map.
Other trade companies in PL12
- M&T Premier Motors LtdMotor traders
- BM Competitions LtdMechanics and garages
- Ib Finishing LtdPlasterers
- Welch Exterior Cleaning LtdCleaning companies
- Ajp Building and Landscaping LtdProperty developers
- L Whitford Bricklaying LtdSpecialist contractors
- WR Cooling and Heating LtdPlumbers and heating engineers
- M.S Taylor Contracting LtdLandscapers and gardeners
Shared registered office
28 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Watertight Roofing (SW) 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
- 09971610
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 January 2016 (10 years ago)
- Registered office
- 122 Fore Street, Saltash, PL12 6JW
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 24 March 2026
- Previous names
- Water Tight Roofing (South West) Limited (until 31 May 2018)
Water Tight (UK) Limited (until 2 Jan 2018)
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in Saltash
Other active roofing companies registered in Saltash.
- KWRS Roofing Ltd2024
All roofing companies in Saltash · All trades in Saltash · Roofers across the UK
Frequently asked questions
When are Watertight Roofing (SW) Limited's accounts due?
Watertight Roofing (SW) 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 Roofing (SW) 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 Roofing (SW) Limited still trading?
Watertight Roofing (SW) 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 Roofing (SW) Limited do?
Watertight Roofing (SW) Limited is registered under Roofing activities (SIC 43910).
How old is Watertight Roofing (SW) Limited?
Watertight Roofing (SW) Limited was incorporated on 26 January 2016, 10 years ago.
Has Watertight Roofing (SW) Limited won public sector contracts?
Yes. Watertight Roofing (SW) Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £27K), most recently from Gov Facility Services Ltd.
What is the penalty if Watertight Roofing (SW) 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 Roofing (SW) 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.