- Companies
- Plumbers and heating engineers
- Gillingham
- Assiduous Heating Ltd
Assiduous Heating Ltd
- Company number
- 14792029
- Incorporated
- 11 Apr 20233 years trading
- Registered office
- 76 Arthur Road, Gillingham, Kent, ME8 9BX
- Nature of business
- Plumbing, heat and air-conditioning installation
Assiduous Heating Ltd is a 3-year-old private limited company registered in Gillingham, company number 14792029, one of 92 plumbing and heating companies in Gillingham. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £179 (-63.5%) on the year before, to £103.
- Current assets of £33K against £19K owed within a year: 1.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £103 | £6,121 | £33K | £19K | 2 |
| 30 Apr 2024 | £282 | £4,336 | £12K | £14K | 2 |
Where Assiduous Heating Ltd is registered
The registered office is in Gillingham (ME8), in the Medway local authority area, South East. Show ME8 9BX on a map.
Other trade companies in ME8
- National Fire Services LimitedElectricians
- TC Mechanical Engineering LtdMechanics and garages
- Reset and Refresh Kent LtdCleaning companies
- Primestone Surfacing LtdCivil engineering
- GMS Autos LtdMechanics and garages
- Mmu Design & Build LtdFinishing trades
- Jpe Drylining LtdPlasterers
- Quick Clean Kent LtdCleaning companies
What happens if Assiduous Heating 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 14792029
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 April 2023 (3 years ago)
- Registered office
- 76 Arthur Road, Gillingham, Kent, ME8 9BX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 10 April 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 Gillingham
Other active plumbing and heating companies registered in Gillingham.
- Atg - Installations Ltd2020
- BHL Heating Hub Ltd2024
- Biddiscombe & Son Plumbing & Heating Ltd2013
- Biocool Energy Limited2026
- Bioheat Energy Limited2015
- Blimi Services Ltd2020
- Brompton Boilers Ltd2024
- C J Cooling & Refrigeration Ltd2023
All plumbing and heating companies in Gillingham · All trades in Gillingham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Assiduous Heating Ltd's accounts due?
Assiduous Heating Ltd's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Assiduous Heating Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Assiduous Heating Ltd still trading?
Assiduous Heating 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 Assiduous Heating Ltd do?
Assiduous Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Assiduous Heating Ltd?
Assiduous Heating Ltd was incorporated on 11 April 2023, 3 years ago.
What is the penalty if Assiduous Heating 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 Assiduous Heating 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.