- Companies
- Specialist contractors
- Basildon
- Insulation Sheet Metal Limited
Insulation Sheet Metal Limited
- Company number
- 02599540
- Incorporated
- 9 Apr 199135 years trading
- Registered office
- 10 Newlands End, Basildon, Essex, SS15 6DU
- Nature of business
- Other specialised construction activities n.e.c.
Insulation Sheet Metal Limited is a 35-year-old private limited company registered in Basildon, company number 02599540, one of 200 specialist construction companies in Basildon. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £179K (-25.8%) on the year before, to £516K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £669K against £217K owed within a year: 3.1 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 9 years, 2014 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £516K | £669K | £217K | 1 | |
| 30 Jun 2024 | £695K | £322K | £766K | £139K | 0 |
| 30 Jun 2023 | £595K | £211K | £691K | £150K | 0 |
| 30 Jun 2022 | £545K | £186K | £675K | £184K | 0 |
| 30 Jun 2020 | £734K | £829K | £105K | 0 | |
| 30 Jun 2019 | £795K | £963K | £181K | 0 | |
| 30 Jun 2016 | £649K | £221K | £876K | £231K | |
| 30 Jun 2015 | £590K | £173K | £763K | £180K | |
| 30 Jun 2014 | £600K | £190K | £751K | £151K |
Where Insulation Sheet Metal Limited is registered
The registered office is in Basildon (SS15), in the Basildon local authority area, East of England. Show SS15 6DU on a map.
Other trade companies in SS15
- Nexa Renovations LtdFinishing trades
- Lilley Build LtdPlasterers
- Timber Glazing Solutions LtdJoiners and carpenters
- Sashbespoke LtdJoiners and carpenters
- Hailsham Estate LtdProperty developers
- Mawhood Asbestos Contracts LtdGroundworks and demolition
- C.V Carpenter LtdBuilders
- Voltcert LtdElectricians
What happens if Insulation Sheet Metal 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 02599540
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 April 1991 (35 years ago)
- Registered office
- 10 Newlands End, Basildon, Essex, SS15 6DU
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 21 February 2026
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 Basildon
Other active specialist construction companies registered in Basildon.
- Integrity Drylining Limited2017
- Jellyfish Coatings Limited2007
- Jetform Services Limited1992
- JF Steel Reinforcement Limited2013
- JJS Contracting Ltd2024
- Johnson Inspection Services & Consultancy Ltd2025
- JP Mechanical and Gas Engineering Limited2025
- JPM Driveways Ltd2022
All specialist construction companies in Basildon · All trades in Basildon · Specialist contractors across the UK
Frequently asked questions
When are Insulation Sheet Metal Limited's accounts due?
Insulation Sheet Metal Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Insulation Sheet Metal Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Insulation Sheet Metal Limited still trading?
Insulation Sheet Metal 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 Insulation Sheet Metal Limited do?
Insulation Sheet Metal Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Insulation Sheet Metal Limited?
Insulation Sheet Metal Limited was incorporated on 9 April 1991, 35 years ago.
What is the penalty if Insulation Sheet Metal 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 Insulation Sheet Metal 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.