- Companies
- Civil engineering
- Northampton
- JPB Building Ltd
JPB Building Ltd
- Company number
- 16222828
- Incorporated
- 1 Feb 20251 year trading
- Registered office
- 16 Maidencastle, Northampton, NN3 8EH
- Nature of business
- Construction of other civil engineering projects n.e.c.
JPB Building Ltd is a 1-year-old private limited company registered in Northampton, company number 16222828, one of 152 civil engineering contractors in Northampton. Its next accounts are due at Companies House on 1 November 2026, and its first CT600 is due at HMRC on 31 January 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Financial snapshot, 2026
From the balance sheet at 28 February 2026, as filed at Companies House.
Where JPB Building Ltd is registered
The registered office is in Northampton (NN3), in the West Northamptonshire local authority area, East Midlands. Show NN3 8EH on a map.
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What happens if JPB Building 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 1 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 Nov 2026 to 1 Dec 2026 | £150 |
| 1 to 3 months late | 2 Dec 2026 to 1 Feb 2027 | £375 |
| 3 to 6 months late | 2 Feb 2027 to 1 May 2027 | £750 |
| More than 6 months late | From 2 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16222828
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 February 2025 (1 year ago)
- Registered office
- 16 Maidencastle, Northampton, NN3 8EH
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 28 March 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Northampton
Other active civil engineering contractors registered in Northampton.
- JPL Groundwork Services Limited2017
- K. & N. Waite Construction Limited1995
- KD Civil Engineering Ltd2023
- Kerbcraft Contractors Ltd2023
- Keybuild Northampton Ltd2020
- Kodom TM Ltd2025
- Laf Utilities Ltd2025
- Lakefield Group Holdings Limited2025
All civil engineering contractors in Northampton · All trades in Northampton · Civil engineering across the UK
Frequently asked questions
When are JPB Building Ltd's accounts due?
JPB Building Ltd's next accounts are due at Companies House by 1 November 2026 (in 20 days), covering the period to 28 February 2026.
When is JPB Building Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 January 2026, due by 31 January 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is JPB Building Ltd still trading?
JPB Building 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 JPB Building Ltd do?
JPB Building Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is JPB Building Ltd?
JPB Building Ltd was incorporated on 1 February 2025, 1 year ago.
What is the penalty if JPB Building 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 JPB Building 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.