- Companies
- Plumbers and heating engineers
- Croydon
- Croydon Ductwork Limited
Croydon Ductwork Limited
- Company number
- 02427007
- Incorporated
- 27 Sep 198937 years trading
- Registered office
- Trinity House 351A, Lower Addiscombe Road, Croydon, Surrey, CR0 6RG
- Nature of business
- Plumbing, heat and air-conditioning installation
Croydon Ductwork Limited is a 37-year-old private limited company registered in Croydon, company number 02427007, one of 122 plumbing and heating companies in Croydon. 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 down £135K (-10.1%) on the year before, to £1.2M.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £1.7M against £586K owed within a year: 2.9 times cover.
- 5 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 Mar 2025 | £1.2M | £1.1M | £1.7M | £586K | 5 |
| 31 Mar 2024 | £1.3M | £571K | £1.9M | £656K | 5 |
| 31 Mar 2023 | £1.2M | £588K | £1.6M | £413K | 5 |
| 31 Mar 2022 | £1.1M | £65K | £1.6M | £370K | 5 |
| 31 Mar 2021 | £978K | £58K | £1.4M | £201K | 5 |
| 31 Mar 2020 | £847K | £363K | £1.2M | £355K | 5 |
| 31 Mar 2019 | £681K | £368K | £861K | £190K | 4 |
| 31 Mar 2018 | £392K | £364K | £1.2M | £801K | 5 |
| 31 Mar 2017 | £394K | £166K | £516K | £153K | 6 |
| 31 Mar 2016 | £407K | £44K | £622K | £257K |
Where Croydon Ductwork Limited is registered
The registered office is in Croydon (CR0), in the Croydon local authority area, London. Show CR0 6RG on a map.
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What happens if Croydon Ductwork 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
- 02427007
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 September 1989 (37 years ago)
- Registered office
- Trinity House 351A, Lower Addiscombe Road, Croydon, Surrey, CR0 6RG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 5 November 2025
- Charges (mortgages)
- 0 outstanding of 1 registered
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 Croydon
Other active plumbing and heating companies registered in Croydon.
- Crystal Damp Proofing & Basements Ltd2021
- D Brown Plumbing Ltd2022
- DB Gas Ltd2026
- Den’S Heating Ltd2025
- Deshon Limited2020
- Dprovider Limited2018
- E & R Plumbing Heating Service Ltd2019
- E.D.Y Logistics & Removal Ltd2026
All plumbing and heating companies in Croydon · All trades in Croydon · Plumbers and heating engineers across the UK
Frequently asked questions
When are Croydon Ductwork Limited's accounts due?
Croydon Ductwork Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Croydon Ductwork 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 Croydon Ductwork Limited still trading?
Croydon Ductwork 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 Croydon Ductwork Limited do?
Croydon Ductwork Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Croydon Ductwork Limited?
Croydon Ductwork Limited was incorporated on 27 September 1989, 37 years ago.
What is the penalty if Croydon Ductwork 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 Croydon Ductwork 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.