- Company number
- 09923291
- Incorporated
- 21 Dec 201510 years trading
- Registered office
- 47 Hamilton Road, Cockfosters, Barnet, Hertfordshire, EN4 9HD
- Nature of business
- Construction of domestic buildings
JC Carpentry (London) Limited is a 10-year-old private limited company registered in Barnet, company number 09923291, one of 201 building contractors in Barnet. Companies House shows its accounts as overdue: they were due on 30 September 2026.
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 £38K (-37.5%) on the year before, to -£140K.
- Net assets rose in 2 of 8 year-on-year comparisons on record.
- Current assets of £3,499 against £140K owed within a year: 0.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2016 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | -£140K | £3 | £3,499 | £140K | 2 |
| 31 Dec 2023 | -£102K | £7,333 | £82K | 2 | |
| 31 Dec 2022 | -£96K | £0 | £14K | £79K | 2 |
| 31 Dec 2021 | -£65K | £32K | £61K | £94K | 2 |
| 31 Dec 2020 | -£89K | £19K | £67K | 2 | |
| 31 Dec 2019 | -£55K | £66K | 2 | ||
| 31 Dec 2018 | £1,342 | £0 | £77K | £76K | 3 |
| 31 Dec 2017 | £52K | £2,660 | £80K | £28K | 1 |
| 31 Dec 2016 | £28K | £32K | 1 |
Where JC Carpentry (London) Limited is registered
The registered office is in Barnet (EN4), in the Barnet local authority area, London. Show EN4 9HD on a map.
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What happens if JC Carpentry (London) Limited files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 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 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 09923291
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 December 2015 (10 years ago)
- Registered office
- 47 Hamilton Road, Cockfosters, Barnet, Hertfordshire, EN4 9HD
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 20 December 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 Barnet
Other active building contractors registered in Barnet.
- JD. Building Services (London) Limited2017
- JRH Services Ltd2017
- K K Developers Limited2010
- Kacellari Construction Ltd2026
- Kassa Property Development UK Ltd2019
- Ke Construction Limited2020
- Kian Construction Ltd2022
- Kilfian Limited2006
All building contractors in Barnet · All trades in Barnet · Builders across the UK
Frequently asked questions
When are JC Carpentry (London) Limited's accounts due?
JC Carpentry (London) Limited's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is JC Carpentry (London) Limited's CT600 due?
The CT600 for the period to 31 December 2025 is due at HMRC by 31 December 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2026.
Is JC Carpentry (London) Limited still trading?
JC Carpentry (London) Limited 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 JC Carpentry (London) Limited do?
JC Carpentry (London) Limited is registered under Construction of domestic buildings (SIC 41202).
How old is JC Carpentry (London) Limited?
JC Carpentry (London) Limited was incorporated on 21 December 2015, 10 years ago.
What is the penalty if JC Carpentry (London) 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 JC Carpentry (London) Limited 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.