- Companies
- Joiners and carpenters
- Bromley
- JJ Carpentry & Maintenance Ltd
JJ Carpentry & Maintenance Ltd
- Company number
- 06450600
- Incorporated
- 11 Dec 200718 years trading
- Registered office
- 7 Kinnaird Close, Bromley, BR1 4HJ
- Nature of business
- Joinery installation
JJ Carpentry & Maintenance Ltd is a 18-year-old private limited company registered in Bromley, company number 06450600, one of 22 joinery companies in Bromley. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
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 up £174K (+18.3%) on the year before, to £1.1M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £1.2M against £152K owed within a year: 8.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £1.1M | £224K | £1.2M | £152K | 2 |
| 31 Dec 2024 | £951K | £331K | £1.2M | £318K | 2 |
| 31 Dec 2023 | £848K | £120K | £1.1M | £283K | 2 |
| 31 Dec 2022 | £681K | £228K | £888K | £250K | 2 |
| 31 Dec 2021 | £566K | £534K | £777K | £232K | 2 |
| 31 Dec 2020 | £409K | £308K | £565K | £181K | 2 |
| 31 Dec 2019 | £347K | £401K | £410K | £93K | 2 |
| 31 Dec 2018 | £359K | £500K | £496K | £175K | |
| 31 Dec 2017 | £291K | £403K | £449K | £207K | |
| 31 Dec 2016 | £269K | £349K | £349K | £141K | 1 |
Where JJ Carpentry & Maintenance Ltd is registered
The registered office is in Bromley (BR1), in the Bromley local authority area, London. Show BR1 4HJ on a map.
Other trade companies in BR1
- Selvaa LimitedRepair services
- E.Esoteric LimitedElectricians
- Ideal Move Properties LimitedProperty developers
- Slick Moves London LtdMachinery repair and installation
- Greenwoods Home & Garden Services LimitedCleaning companies
- Primecroft Group LtdBuilders
- Rapid Emergency Plumbers London LtdPlumbers and heating engineers
- Faspen LtdCleaning companies
What happens if JJ Carpentry & Maintenance 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 06450600
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 December 2007 (18 years ago)
- Registered office
- 7 Kinnaird Close, Bromley, BR1 4HJ
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 7 December 2025
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 Bromley
Other active joinery companies registered in Bromley.
- K.N. Carpentry & Building Services Limited2023
- KHB Builders & Decorators Ltd2007
- Konoff Ltd2013
- Lush Transports Ltd2025
- Nicony Contracts Ltd2017
- Ourhouselondon Ltd2023
- PJM Installations (London) Ltd2016
- SPJ Set Building Limited2020
All joinery companies in Bromley · All trades in Bromley · Joiners and carpenters across the UK
Frequently asked questions
When are JJ Carpentry & Maintenance Ltd's accounts due?
JJ Carpentry & Maintenance Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is JJ Carpentry & Maintenance Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is JJ Carpentry & Maintenance Ltd still trading?
JJ Carpentry & Maintenance 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 JJ Carpentry & Maintenance Ltd do?
JJ Carpentry & Maintenance Ltd is registered under Joinery installation (SIC 43320).
How old is JJ Carpentry & Maintenance Ltd?
JJ Carpentry & Maintenance Ltd was incorporated on 11 December 2007, 18 years ago.
What is the penalty if JJ Carpentry & Maintenance 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 JJ Carpentry & Maintenance 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.