- Company number
- 15153568
- Incorporated
- 21 Sep 20233 years trading
- Registered office
- 3RD Floor, 86-90, Paul Street, London, EC2A 4NE
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Island Heritage Ltd is a 3-year-old private limited company registered in London, company number 15153568, one of 12,075 building contractors in London. Companies House shows its accounts as overdue: they were due on 30 June 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Island Heritage Ltd is registered
The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.
Other trade companies in EC2A
- Simlan Management LtdCleaning companies
- Renova Secure LtdBuilders
- Auraglasspartitions LtdGlaziers
- A2D Professional Cleaning LtdCleaning companies
- Matson Co. LtdProperty developers
- Paint Hub LimitedMechanics and garages
- SJK Construction & Management LtdBuilders
- Cenlora Cleaning Group LtdCleaning companies
Shared registered office
1,581 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Island Heritage Ltd files late
If the accounts reach Companies House today, the late filing penalty is £750 (£1,500 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2026 to 31 Jul 2026 | £150 |
| 1 to 3 months late | 1 Aug 2026 to 30 Sep 2026 | £375 |
| 3 to 6 months late | 1 Oct 2026 to 31 Dec 2026 | £750 |
| More than 6 months late | From 1 Jan 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2026 | £200 |
| 3 months late | 30 Dec 2026 | another £200 |
| 6 months late | 30 Mar 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2027 | 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
- 15153568
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 September 2023 (3 years ago)
- Registered office
- 3RD Floor, 86-90, Paul Street, London, EC2A 4NE
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2024
- Last confirmation statement
- 20 September 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Island Orbit UK Ltd2026
- Islend Limited2017
- Isma Constructions Ltd2024
- Ismail Construction Ltd2025
- Ismayl Building Engineering Limited2004
- Ist Fix Builders Ltd2022
- Isteel Services Limited2022
- Istok Ltd2015
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Island Heritage Ltd's accounts due?
Island Heritage Ltd's accounts were due at Companies House on 30 June 2026 and the register shows them as overdue.
When is Island Heritage Ltd's CT600 due?
The CT600 for the period to 30 September 2025 is due at HMRC by 30 September 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2026.
Is Island Heritage Ltd still trading?
Island Heritage Ltd is listed as active on the Companies House register (checked 13 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 Island Heritage Ltd do?
Island Heritage Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Island Heritage Ltd?
Island Heritage Ltd was incorporated on 21 September 2023, 3 years ago.
What is the penalty if Island Heritage 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 Island Heritage Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.