- Companies
- Joiners and carpenters
- London
- JW Treasure & Sons Ltd
JW Treasure & Sons Ltd
- Company number
- 15594547
- Incorporated
- 26 Mar 20242 years trading
- Registered office
- 1B Muswell Hill, London, N10 3TH
- Nature of business
- Joinery installation; Other specialised construction activities n.e.c.
JW Treasure & Sons Ltd is a 2-year-old private limited company registered in London, company number 15594547, one of 692 joinery companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the 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 JW Treasure & Sons LtdOr 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.
Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Where JW Treasure & Sons Ltd is registered
The registered office is in London (N10), in the Haringey local authority area, London. Show N10 3TH on a map.
Other trade companies in N10
- Endo Climates LimitedPlumbers and heating engineers
- Bjpwaterworks LtdProperty developers
- Oxman LimitedProperty developers
- Union Traffic Management LtdLandscapers and gardeners
- National Engine Solutions LimitedMotor traders
- A&D Building Solutions LtdProperty developers
- Primeropesolutions LtdSpecialist contractors
- The Aircon Market LtdPlumbers and heating engineers
What happens if JW Treasure & Sons 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15594547
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 March 2024 (2 years ago)
- Registered office
- 1B Muswell Hill, London, N10 3TH
- Nature of business
- Joinery installation (SIC 43320)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 25 March 2026
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in London
Other active joinery companies registered in London.
- K&B (Kitchens & Bathrooms) London Limited2026
- K&GN Limited2012
- K&L Design Limited2024
- K.F.Interiorfitter Ltd2021
- Karight Ltd2021
- Kbuildingbrothers Ltd2022
- KC.Joineryhull Ltd2025
- KD Construction Southern Limited2022
All joinery companies in London · All trades in London · Joiners and carpenters across the UK
Frequently asked questions
When are JW Treasure & Sons Ltd's accounts due?
JW Treasure & Sons Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is JW Treasure & Sons Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is JW Treasure & Sons Ltd still trading?
JW Treasure & Sons 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 JW Treasure & Sons Ltd do?
JW Treasure & Sons Ltd is registered under Joinery installation (SIC 43320); Other specialised construction activities n.e.c. (SIC 43999).
How old is JW Treasure & Sons Ltd?
JW Treasure & Sons Ltd was incorporated on 26 March 2024, 2 years ago.
What is the penalty if JW Treasure & Sons 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 JW Treasure & Sons 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.