- Companies
- Finishing trades
- London
- Core Maintenance London Ltd
Core Maintenance London Ltd
- Company number
- 17451731
- Incorporated
- 10 Sep 2026
- Registered office
- C/O 28 Lynmouth Road, London, N16 6XL
- Nature of business
- Other building completion and finishing
Core Maintenance London Ltd is a newly incorporated private limited company registered in London, company number 17451731, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 10 June 2028, and its first CT600 is due at HMRC on 9 September 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Core Maintenance London Ltd is registered
The registered office is in London (N16), in the Hackney local authority area, London. Show N16 6XL on a map.
Other trade companies in N16
- Jrdesign&Renovations LtdCleaning companies
- RSV2Cleaning LtdCleaning companies
- Tura Property Solutions LtdBuilders
- Stokey Group LtdPlumbers and heating engineers
- JSW Bathrooms LimitedElectricians
- Y.E.D. Building and Construction Services LtdPlumbers and heating engineers
- Olga Services LtdBuilders
- Mapara's Property Maintenance LtdPlumbers and heating engineers
Also registered at this address
2 other companies use the same registered office as Core Maintenance London Ltd.
- Rapid P Solutions LtdBuilders
- RMB Vehicles UK LtdMotor traders
What happens if Core Maintenance London 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 10 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Jun 2028 to 10 Jul 2028 | £150 |
| 1 to 3 months late | 11 Jul 2028 to 10 Sep 2028 | £375 |
| 3 to 6 months late | 11 Sep 2028 to 10 Dec 2028 | £750 |
| More than 6 months late | From 11 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17451731
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 September 2026
- Registered office
- C/O 28 Lynmouth Road, London, N16 6XL
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
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 London
Other active building finishing companies registered in London.
- Corefix Services Ltd2025
- Cormac Building Services Ltd2014
- Cornice Service Ltd2015
- Cosmic Building Construction Limited2021
- Costcap Ims Ltd2026
- Costiling Ltd2021
- Couzens Construction Projects Ltd2011
- Covalent Building Solutions Ltd2024
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are Core Maintenance London Ltd's accounts due?
Core Maintenance London Ltd's next accounts are due at Companies House by 10 June 2028 (in 606 days), covering the period to 30 September 2027.
When is Core Maintenance London Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 9 September 2027, due by 9 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Core Maintenance London Ltd still trading?
Core Maintenance London 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 Core Maintenance London Ltd do?
Core Maintenance London Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Core Maintenance London Ltd?
Core Maintenance London Ltd was incorporated on 10 September 2026, less than a year ago.
What is the penalty if Core Maintenance London 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 Core Maintenance London 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.