Company profile · Builders
JB18 Ltd
JB18 Ltd is a 4-year-old private limited company registered in Leighton Buzzard, company number 13796162, one of 73 building contractors in Leighton Buzzard. 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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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
JB18 Ltd over the years
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 £10K (-56%) on the year before, to £7,991.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £25K against £31K owed within a year: 0.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £7,991 | £25K | £31K | 1 | |
| 31 Dec 2024 | £18K | £53K | £50K | 1 | |
| 31 Dec 2023 | £13K | £18K | £22K | 1 | |
| 31 Dec 2022 | £25K | £27K | £20K | 1 |
Where JB18 Ltd is registered
The registered office is in Leighton Buzzard (LU7), in the Buckinghamshire local authority area, South East. Show LU7 0RQ on a map.
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- L.T. Advanced Scaffolding LtdBuilders
What happens if JB18 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
- 13796162
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 December 2021 (4 years ago)
- Registered office
- 46A High Street, Cheddington, Leighton Buzzard, LU7 0RQ
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 12 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 Leighton Buzzard
Other active building contractors registered in Leighton Buzzard.
- Khalsa Dashmesh Limited2025
- KNG Contracting Ltd2025
- KSL Fabrication Ltd2024
- L.T. Advanced Scaffolding Ltd2026
- Leighton Buzzard Dry Lining & Suspended Ceilings Limited2015
- M.E. Mastic Ltd2018
- Manorgrove Homes Ltd.1995
- Meadow Building & Investments Ltd2018
All building contractors in Leighton Buzzard · All trades in Leighton Buzzard · Builders across the UK
Frequently asked questions
When are JB18 Ltd's accounts due?
JB18 Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is JB18 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 JB18 Ltd still trading?
JB18 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 JB18 Ltd do?
JB18 Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is JB18 Ltd?
JB18 Ltd was incorporated on 13 December 2021, 4 years ago.
What is the penalty if JB18 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 JB18 Ltd on Companies House for filed documents, officers and the full history.
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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.