- Companies
- Installers
- Cambridge
- Stepney Insulation Limited
Stepney Insulation Limited
- Company number
- 03144295
- Incorporated
- 9 Jan 199630 years trading
- Registered office
- 53 Isaacson Road, Burwell, Cambridge, CB25 0AF
- Nature of business
- Other construction installation
Stepney Insulation Limited is a 30-year-old private limited company registered in Cambridge, company number 03144295, one of 66 installation companies (insulation, lifts, shutters and similar) in Cambridge. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Stepney Insulation Limited is registered
The registered office is in Cambridge (CB25), in the East Cambridgeshire local authority area, East of England. Show CB25 0AF on a map.
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What happens if Stepney Insulation 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 03144295
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 January 1996 (30 years ago)
- Registered office
- 53 Isaacson Road, Burwell, Cambridge, CB25 0AF
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 11 April 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Cambridge
Other active installation companies (insulation, lifts, shutters and similar) registered in Cambridge.
- Techme Installations Limited2024
- Thinkawdenergy Ltd2023
- Villa Road Ltd2022
- Ward Solutions Ltd2009
- Willers & Sons Limited2019
- 3 Dimensions Limited2002
- Abbinante & Sons Ltd2025
- Accent Maintenance Ltd2011
All installation companies (insulation, lifts, shutters and similar) in Cambridge · All trades in Cambridge · Installers across the UK
Frequently asked questions
When are Stepney Insulation Limited's accounts due?
Stepney Insulation Limited's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is Stepney Insulation Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Stepney Insulation Limited still trading?
Stepney Insulation 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 Stepney Insulation Limited do?
Stepney Insulation Limited is registered under Other construction installation (SIC 43290).
How old is Stepney Insulation Limited?
Stepney Insulation Limited was incorporated on 9 January 1996, 30 years ago.
What is the penalty if Stepney Insulation 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 Stepney Insulation 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.