- Companies
- Plumbers and heating engineers
- Basildon
- Isd Mechanical Ltd
Isd Mechanical Ltd
- Company number
- 15688862
- Incorporated
- 29 Apr 20242 years trading
- Registered office
- 26 Beeleigh East, Basildon, SS14 2RR
- Nature of business
- Plumbing, heat and air-conditioning installation
Isd Mechanical Ltd is a 2-year-old private limited company registered in Basildon, company number 15688862, one of 140 plumbing and heating companies in Basildon. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 £3,205 (+43.1%) on the year before, to £11K.
- Current assets of £12K against £1,152 owed within a year: more than 10 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £11K | £12K | £1,152 | 3 | |
| 30 Apr 2025 | £7,439 | £9,419 | £1,980 | 2 |
Where Isd Mechanical Ltd is registered
The registered office is in Basildon (SS14), in the Basildon local authority area, East of England. Show SS14 2RR on a map.
Other trade companies in SS14
- Texaco Essex LtdCleaning companies
- Premier Build Services LimitedFinishing trades
- Justrepairs & Paint LtdMechanics and garages
- Edyghost. LtdBuilders
- MSB Colchester Electrical LimitedElectricians
- Climate One LtdPlumbers and heating engineers
- Elsm LtdElectricians
- Redmarsh Property Maintenance LimitedCleaning companies
What happens if Isd Mechanical 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 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 15688862
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 April 2024 (2 years ago)
- Registered office
- 26 Beeleigh East, Basildon, SS14 2RR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 28 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 Basildon
Other active plumbing and heating companies registered in Basildon.
- J Elphinstone Heating & Plumbing Limited2015
- J Parmenter Limited2024
- J Stewart Heating & Plumbing Limited2019
- Jamesons Mechanical Services Ltd2024
- JC Cooling Services Limited2026
- Jdavis Mechanical Limited2024
- JDS Plumbing Ltd2019
- JK Heating & Plumbing Limited2015
All plumbing and heating companies in Basildon · All trades in Basildon · Plumbers and heating engineers across the UK
Frequently asked questions
When are Isd Mechanical Ltd's accounts due?
Isd Mechanical Ltd's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is Isd Mechanical Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Isd Mechanical Ltd still trading?
Isd Mechanical 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 Isd Mechanical Ltd do?
Isd Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Isd Mechanical Ltd?
Isd Mechanical Ltd was incorporated on 29 April 2024, 2 years ago.
What is the penalty if Isd Mechanical 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 Isd Mechanical 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.