- Company number
- 17245379
- Incorporated
- 27 May 2026
- Registered office
- 25 Kingsmead Avenue, London, N9 8QS
- Nature of business
- Construction of commercial buildings
Workharbor Trades Limited is a newly incorporated private limited company registered in London, company number 17245379, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 27 February 2028, and its first CT600 is due at HMRC on 26 May 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Workharbor Trades LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Who runs and owns Workharbor Trades Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| C*** A*** | Director | May 2026 |
Person with significant control
Where Workharbor Trades Limited is registered
The registered office is in London (N9), in the Enfield local authority area, London. Show N9 8QS on a map.
Other trade companies in N9
- Green X Construction LtdBuilders
- Enviro Decs Contract Painters LtdBuilders
- Lydex Services LimitedMotor traders
- Lincoln Construction & Infrastructure LtdBuilders
- Build and Install LtdBuilders
- Pro7 Accident Solutions LtdMechanics and garages
- Enfield Mobile Diagnostics LtdMechanics and garages
- Charlie Valentin LtdCleaning companies
What happens if Workharbor Trades 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 27 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Feb 2028 to 27 Mar 2028 | £150 |
| 1 to 3 months late | 28 Mar 2028 to 27 May 2028 | £375 |
| 3 to 6 months late | 28 May 2028 to 27 Aug 2028 | £750 |
| More than 6 months late | From 28 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17245379
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 May 2026
- Registered office
- 25 Kingsmead Avenue, London, N9 8QS
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Workshop & Studio - Bakker Ltd2019
- World of Building Ltd2015
- World Property Developers Ltd2017
- World Tiles Construction Ltd2024
- Worldfamous Group Limited2025
- Worldfamous Technologies Limited2025
- Worlds Tiles Construction Ltd2025
- Worner Construction Ltd2024
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Workharbor Trades Limited's accounts due?
Workharbor Trades Limited's next accounts are due at Companies House by 27 February 2028 (in 502 days), covering the period to 31 May 2027.
When is Workharbor Trades Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 26 May 2027, due by 26 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Workharbor Trades Limited still trading?
Workharbor Trades 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 Workharbor Trades Limited do?
Workharbor Trades Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Workharbor Trades Limited?
Workharbor Trades Limited was incorporated on 27 May 2026, less than a year ago.
Who runs Workharbor Trades Limited?
Workharbor Trades Limited has 1 active director, the longest-serving appointed in May 2026. Their names and service addresses are on the Companies House register.
Who owns Workharbor Trades Limited?
One person or company has significant control of Workharbor Trades Limited: an individual (owns 75% or more of the shares).
What is the penalty if Workharbor Trades 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 Workharbor Trades 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.