- Companies
- Plumbers and heating engineers
- Perth
- Sidlaw Tank Services Ltd
Sidlaw Tank Services Ltd
- Company number
- SC592865
- Incorporated
- 29 Mar 20188 years trading
- Registered office
- Links Farm Cottage, Meikleour, Perth, Perthshire, PH2 6DX
- Nature of business
- Plumbing, heat and air-conditioning installation
Sidlaw Tank Services Ltd is a 8-year-old private limited company registered in Perth, company number SC592865, one of 46 plumbing and heating companies in Perth. 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 £48K (+184%) on the year before, to £75K.
- Net assets rose in 5 of 6 year-on-year comparisons on record.
- Current assets of £34K against £12K owed within a year: 2.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £75K | £34K | £12K | 1 | |
| 31 Mar 2024 | £26K | £3,192 | £4,842 | £13K | 1 |
| 31 Mar 2023 | £21K | £2,963 | £4,613 | £20K | 0 |
| 31 Mar 2022 | £16K | £5,602 | £8,145 | £30K | 1 |
| 31 Mar 2021 | £6,185 | £9,508 | £11K | £19K | 1 |
| 31 Mar 2020 | -£8,042 | £1,235 | £2,950 | £24K | 0 |
| 31 Mar 2019 | -£3,437 | £59 | £659 | £13K |
Where Sidlaw Tank Services Ltd is registered
The registered office is in Perth (PH2), in the Perth and Kinross local authority area, Scotland. Show PH2 6DX on a map.
Other trade companies in PH2
- Stevenson Joinery LtdJoiners and carpenters
- NDRC Performance LtdMotor traders
- Galent Builders LtdBuilders
- Macallister Property Investments LtdBuilders
- Z Mac Electrical LtdBuilders
- Elevate Property Care LtdCleaning companies
- Source Trade Supply LtdMotor traders
- D.Smith Automotive Services LtdMechanics and garages
What happens if Sidlaw Tank Services 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 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
- SC592865
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 March 2018 (8 years ago)
- Registered office
- Links Farm Cottage, Meikleour, Perth, Perthshire, PH2 6DX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 23 December 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 Perth
Other active plumbing and heating companies registered in Perth.
- Stewart Bros Plumbing & Heating Contracts Ltd2023
- Tempsite Installations Limited2004
- Thermal Comfort Limited2001
- Abs Heating Limited2002
- Beck Plumbing Heating & Gas Services Ltd2023
- BMP Plumbing & Heating Ltd2024
- C K Plumbing Solutions Limited2024
- Caledonian Stoves Ltd2019
All plumbing and heating companies in Perth · All trades in Perth · Plumbers and heating engineers across the UK
Frequently asked questions
When are Sidlaw Tank Services Ltd's accounts due?
Sidlaw Tank Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Sidlaw Tank Services Ltd'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 Sidlaw Tank Services Ltd still trading?
Sidlaw Tank Services 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 Sidlaw Tank Services Ltd do?
Sidlaw Tank Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Sidlaw Tank Services Ltd?
Sidlaw Tank Services Ltd was incorporated on 29 March 2018, 8 years ago.
What is the penalty if Sidlaw Tank Services 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 Sidlaw Tank Services 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.