- Company number
- 11373487
- Incorporated
- 21 May 20188 years trading
- Registered office
- 263 Moorhouse Road, Hull, HU5 5PJ
- Nature of business
- Construction of commercial buildings
Decoplum Limited is a 8-year-old private limited company registered in Hull, company number 11373487, one of 176 building contractors in Hull. 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 down £17K (-113.9%) on the year before, to -£2,011.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £17K against £11K owed within a year: 1.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | -£2,011 | £17K | £11K | 1 | |
| 31 May 2024 | £15K | £85K | £54K | 1 | |
| 31 May 2023 | £50K | £112K | £37K | 1 | |
| 31 May 2022 | £95K | £181K | £51K | 1 | |
| 31 May 2020 | £182K | £277K | £100K | 1 | |
| 31 May 2019 | £47K | £94K | £48K | 1 |
Where Decoplum Limited is registered
The registered office is in Hull (HU5), in the Kingston upon Hull, City of local authority area, Yorkshire and The Humber. Show HU5 5PJ on a map.
Other trade companies in HU5
- Alstrax LtdGroundworks and demolition
- Lydian Collective LtdPlasterers
- Pinnacle Properties Hull LtdBuilders
- The Bathroom Company (Hull) LtdPlumbers and heating engineers
- P Hemmo Property Management LtdProperty developers
- Viking Plumbing and Heating Hull LtdPlumbers and heating engineers
- Kalls Renewables LtdCivil engineering
- Fuse Electrical Yorkshire LimitedElectricians
What happens if Decoplum 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 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
- 11373487
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 May 2018 (8 years ago)
- Registered office
- 263 Moorhouse Road, Hull, HU5 5PJ
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 20 May 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Hull
Other active building contractors registered in Hull.
- Den Roofing Limited2021
- Diamond Construct Limited2025
- DMP Decorating Limited2022
- DR London Construction Ltd2022
- DW Roofing&Building Ltd2017
- Dwhomes Ltd2026
- E-Spaces Design and Create Ltd2022
- E.M. Kapica Construction Ltd2016
All building contractors in Hull · All trades in Hull · Builders across the UK
Frequently asked questions
When are Decoplum Limited's accounts due?
Decoplum Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Decoplum Limited'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 Decoplum Limited still trading?
Decoplum 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 Decoplum Limited do?
Decoplum Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Decoplum Limited?
Decoplum Limited was incorporated on 21 May 2018, 8 years ago.
What is the penalty if Decoplum 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 Decoplum 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.