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- Plumbers and heating engineers
- Sunderland
- Sla Ductwork Ltd
Company profile · Plumbers and heating engineers
Sla Ductwork Ltd
Sla Ductwork Ltd is a 5-year-old private limited company registered in Sunderland, company number 13290919, one of 50 plumbing and heating companies in Sunderland. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Sla Ductwork Ltd over the years
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 £2,165 (-6.4%) on the year before, to £31K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £39K against £14K owed within a year: 2.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £31K | £39K | £14K | 1 | |
| 31 Mar 2025 | £34K | £57K | £32K | 1 | |
| 31 Mar 2024 | £23K | £34K | £22K | 1 | |
| 31 Mar 2023 | £10K | £17K | £7,170 | 1 | |
| 31 Mar 2022 | £8,473 | £11K | £2,869 | 1 |
Where Sla Ductwork Ltd is registered
The registered office is in Sunderland (SR4), in the Sunderland local authority area, North East. Show SR4 9NT on a map.
Other trade companies in SR4
- Roxhal LtdMotor traders
- Local Electrical Solutions LtdElectricians
- J C Reed LtdSpecialist contractors
- Fixaviour LtdMachinery repair and installation
- All Seasons Roofing Specialists LtdBuilders
- Aapex Maintenance & Property Management LimitedCleaning companies
- Otisbum Electrical LtdMachinery repair and installation
- Fifishine LimitedCleaning companies
What happens if Sla Ductwork 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 13290919
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 March 2021 (5 years ago)
- Registered office
- 57 Brockenhurst Drive, Sunderland, SR4 9NT
- 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 2026
- Last confirmation statement
- 23 March 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 Sunderland
Other active plumbing and heating companies registered in Sunderland.
- Small Feet Energy Limited2011
- Solar Airflow Ltd2026
- SPH Oil & Gas Services Ltd2026
- Sunderland Gas Services Ltd2024
- Wear Heating Ltd2017
- Woburn Bathrooms Ltd2026
- A-G Plumbing & Houses Ltd2021
- Aacs Limited1990
All plumbing and heating companies in Sunderland · All trades in Sunderland · Plumbers and heating engineers across the UK
Frequently asked questions
When are Sla Ductwork Ltd's accounts due?
Sla Ductwork Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Sla Ductwork Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Sla Ductwork Ltd still trading?
Sla Ductwork 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 Sla Ductwork Ltd do?
Sla Ductwork Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Sla Ductwork Ltd?
Sla Ductwork Ltd was incorporated on 25 March 2021, 5 years ago.
What is the penalty if Sla Ductwork 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 Sla Ductwork 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.