- Companies
- Finishing trades
- Ilkeston
- TN Insulations Ltd
TN Insulations Ltd
- Company number
- 11864517
- Incorporated
- 6 Mar 20197 years trading
- Registered office
- Unit 2 Stanton Court Merlin Way, Quarry Hill Industrial Estate, Ilkeston, Derbyshire, DE7 4RA
- Nature of business
- Other building completion and finishing
TN Insulations Ltd is a 7-year-old private limited company registered in Ilkeston, company number 11864517, one of 39 building finishing companies in Ilkeston. 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 £6,447 (-42.1%) on the year before, to £8,881.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £145K against £153K owed within a year: 0.9 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £8,881 | £8,643 | £145K | £153K | 3 |
| 31 Mar 2024 | £15K | £127K | £116K | 3 | |
| 31 Mar 2023 | £117K | £248K | £128K | 1 | |
| 31 Mar 2022 | £30K | £90K | £43K | 1 | |
| 31 Mar 2021 | £28K | £135K | £83K | 1 | |
| 31 Mar 2020 | £22K | £27K | £21K | 1 |
Where TN Insulations Ltd is registered
The registered office is in Ilkeston (DE7), in the Erewash local authority area, East Midlands. Show DE7 4RA on a map.
Other trade companies in DE7
- E.T Montaggi LtdBuilders
- Drive Tech-England LtdSpecialist contractors
- D.M Scaffolding Services LtdScaffolders
- Peak Volt Renewables LtdInstallers
- GT Auto ND Traders LtdMotor traders
- E.R. Surveying LtdBuilders
- P.Burch Maintenance LtdFinishing trades
- Bird Muck & Moss LtdRoofers
What happens if TN Insulations 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 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
- 11864517
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 March 2019 (7 years ago)
- Registered office
- Unit 2 Stanton Court Merlin Way, Quarry Hill Industrial Estate, Ilkeston, Derbyshire, DE7 4RA
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 5 March 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Ilkeston
Other active building finishing companies registered in Ilkeston.
- Tring Associates Limited2003
- Tycas Projects Limited2021
- A7 Conversions Limited2015
- Absolute Building Services (UK) Ltd2013
- Accent Office Interiors Ltd.2015
- Alron Property Services Limited2025
- Amber Prinny Limited2019
- Colourworks Fire & Intumescent Coatings Limited2024
All building finishing companies in Ilkeston · All trades in Ilkeston · Finishing trades across the UK
Frequently asked questions
When are TN Insulations Ltd's accounts due?
TN Insulations Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is TN Insulations Ltd'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 TN Insulations Ltd still trading?
TN Insulations 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 TN Insulations Ltd do?
TN Insulations Ltd is registered under Other building completion and finishing (SIC 43390).
How old is TN Insulations Ltd?
TN Insulations Ltd was incorporated on 6 March 2019, 7 years ago.
What is the penalty if TN Insulations 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 TN Insulations 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.