- Company number
- 09937780
- Incorporated
- 6 Jan 201610 years trading
- Registered office
- 14 Hazel Close, Brentford, Middlesex, TW8 8NG
- Nature of business
- Construction of commercial buildings
Jar Construction Carpentry and Joinery Ltd is a 10-year-old private limited company registered in Brentford, company number 09937780, one of 88 building contractors in Brentford. 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 £1,519 (-6.3%) on the year before, to £22K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £23K against £10K owed within a year: 2.2 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £22K | £23K | £10K | 5 | |
| 31 Jan 2025 | £24K | £15K | £9,507 | 5 | |
| 31 Jan 2024 | £4,594 | £6,892 | £25K | 5 | |
| 31 Jan 2023 | £17K | £14K | £2,122 | 6 | |
| 31 Jan 2022 | £17K | £14K | £5,256 | 6 | |
| 31 Jan 2021 | £16K | £41K | £7,388 | 6 | |
| 31 Jan 2020 | £8,026 | £12K | £7,797 | 5 | |
| 31 Jan 2019 | £3,147 | £12K | £15K | ||
| 31 Jan 2018 | £366 | £1,454 | £1,820 | ||
| 31 Jan 2017 | £366 | £1,454 | £1,820 |
Where Jar Construction Carpentry and Joinery Ltd is registered
The registered office is in Brentford (TW8), in the Hounslow local authority area, London. Show TW8 8NG on a map.
Other trade companies in TW8
- Loft Algerie LtdMotor traders
- Redline Roofing and Construction LtdBuilders
- Skyracer LtdMotor traders
- Trueccraft Construction LimitedBuilders
- X2 Performance LtdMechanics and garages
- Velox Property LimitedBuilders
- Fastway Projects LtdBuilders
- Vertex Build Pro LtdBuilders
What happens if Jar Construction Carpentry and Joinery 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 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
- 09937780
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 January 2016 (10 years ago)
- Registered office
- 14 Hazel Close, Brentford, Middlesex, TW8 8NG
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 5 January 2026
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 Brentford
Other active building contractors registered in Brentford.
- K2 Bespoke Project Ltd2017
- Kary Ceilings Limited2019
- KH&N Constructions Limited2021
- Khalid Constructions Ltd2016
- KJ Services Group Ltd2025
- M&M Kitchen and Bathroom Ltd2019
- M&T Construction Limited2021
- M.G SS Limited2024
All building contractors in Brentford · All trades in Brentford · Builders across the UK
Frequently asked questions
When are Jar Construction Carpentry and Joinery Ltd's accounts due?
Jar Construction Carpentry and Joinery Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Jar Construction Carpentry and Joinery Ltd'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 Jar Construction Carpentry and Joinery Ltd still trading?
Jar Construction Carpentry and Joinery 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 Jar Construction Carpentry and Joinery Ltd do?
Jar Construction Carpentry and Joinery Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Jar Construction Carpentry and Joinery Ltd?
Jar Construction Carpentry and Joinery Ltd was incorporated on 6 January 2016, 10 years ago.
What is the penalty if Jar Construction Carpentry and Joinery 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 Jar Construction Carpentry and Joinery 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.