- Companies
- Joiners and carpenters
- Llandudno Junction
- JSJ Joinery Limited
JSJ Joinery Limited
- Company number
- 15451171
- Incorporated
- 29 Jan 20242 years trading
- Registered office
- Anson House, Cae'r Llynen, Llandudno Junction, Conwy, LL31 9LS
- Nature of business
- Joinery installation
JSJ Joinery Limited is a 2-year-old private limited company registered in Llandudno Junction, company number 15451171, one of the UK's joinery companies. 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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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £3,153 (-8.9%) on the year before, to £32K.
- Current assets of £46K against £15K owed within a year: 3.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £32K | £42K | £46K | £15K | 1 |
| 31 Jan 2025 | £35K | £36K | £48K | £16K | 1 |
Where JSJ Joinery Limited is registered
The registered office is in Llandudno Junction (LL31), in the Conwy local authority area, Wales. Show LL31 9LS on a map.
Other trade companies in LL31
- CCM Paving LtdSpecialist contractors
- Itech LtdElectricians
- K O Wind LtdElectricians
- R.Jones Roofing LtdRoofers
- Paragon Consult LtdSpecialist contractors
- Colwyn Construction LtdBuilders
- Evansrenewables LtdProperty developers
- Northwest Solar and Roofing LtdRoofers
Also registered at this address
9 other companies use the same registered office as JSJ Joinery Limited.
- Beau Bridge Development LimitedJoiners and carpenters
- Beech Developments (Chwilog) LtdProperty developers
- Beech Developments (NW) LimitedProperty developers
- D & J Jarvis LimitedFinishing trades
- DP Consulting (NW) LimitedMechanics and garages
- Glanwest LtdCivil engineering
- MJS Building Systems (NW) LtdInstallers
- North Wales Plastics LtdRoofers
- Sustainable Warmth LimitedSpecialist contractors
What happens if JSJ Joinery 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
- 15451171
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 January 2024 (2 years ago)
- Registered office
- Anson House, Cae'r Llynen, Llandudno Junction, Conwy, LL31 9LS
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 28 January 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 Llandudno Junction
Other active joinery companies registered in Llandudno Junction.
All joinery companies in Llandudno Junction · All trades in Llandudno Junction · Joiners and carpenters across the UK
Frequently asked questions
When are JSJ Joinery Limited's accounts due?
JSJ Joinery Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is JSJ Joinery 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 JSJ Joinery Limited still trading?
JSJ Joinery 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 JSJ Joinery Limited do?
JSJ Joinery Limited is registered under Joinery installation (SIC 43320).
How old is JSJ Joinery Limited?
JSJ Joinery Limited was incorporated on 29 January 2024, 2 years ago.
What is the penalty if JSJ Joinery 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 JSJ Joinery 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.