- Companies
- Specialist contractors
- Sittingbourne
- X Insulation Ltd
X Insulation Ltd
- Company number
- 16599116
- Incorporated
- 22 Jul 20251 year trading
- Registered office
- 90 Eveas Drive, Sittingbourne, ME10 3ER
- Nature of business
- Other specialised construction activities n.e.c.
X Insulation Ltd is a 1-year-old private limited company registered in Sittingbourne, company number 16599116, one of 58 specialist construction companies in Sittingbourne. Its next accounts are due at Companies House on 30 April 2028, and the CT600 for the period to 31 July 2027 is due at HMRC on 31 July 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 July 2026, as filed at Companies House.
Where X Insulation Ltd is registered
The registered office is in Sittingbourne (ME10), in the Swale local authority area, South East. Show ME10 3ER on a map.
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- Motor Rituals LtdMechanics and garages
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- Tada Cleans LimitedCleaning companies
- Viktor Fit Out LtdInstallers
What happens if X Insulation 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 30 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2028 to 31 May 2028 | £150 |
| 1 to 3 months late | 1 Jun 2028 to 31 Jul 2028 | £375 |
| 3 to 6 months late | 1 Aug 2028 to 31 Oct 2028 | £750 |
| More than 6 months late | From 1 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16599116
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 July 2025 (1 year ago)
- Registered office
- 90 Eveas Drive, Sittingbourne, ME10 3ER
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2026
- Last confirmation statement
- 21 July 2026
- Previous names
- X Insulations Ltd (until 29 Jul 2025)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Sittingbourne
Other active specialist construction companies registered in Sittingbourne.
- A&K Kitchen Ltd2016
- Ambassador Brickwork and Building Services Ltd2025
- Ap Cindy Ltd2012
- Ascot Park Limited2010
- Austin Contract Services Limited1999
- BPFW Ltd2017
- C&C Handywork Ltd2025
- Capelwood Utilities Limited2005
All specialist construction companies in Sittingbourne · All trades in Sittingbourne · Specialist contractors across the UK
Frequently asked questions
When are X Insulation Ltd's accounts due?
X Insulation Ltd's next accounts are due at Companies House by 30 April 2028 (in 566 days), covering the period to 31 July 2027.
When is X Insulation Ltd's CT600 due?
The CT600 for the period to 31 July 2027 is due at HMRC by 31 July 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2028.
Is X Insulation Ltd still trading?
X Insulation 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 X Insulation Ltd do?
X Insulation Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is X Insulation Ltd?
X Insulation Ltd was incorporated on 22 July 2025, 1 year ago.
What is the penalty if X Insulation 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 X Insulation 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.