- Company number
- 16228074
- Incorporated
- 4 Feb 20251 year trading
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Construction of domestic buildings; Plumbing, heat and air-conditioning installation; Painting; Other specialised construction activities n.e.c.
KJP Builders UK Ltd is a 1-year-old private limited company registered in London, company number 16228074, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 4 November 2026, and its first CT600 is due at HMRC on 3 February 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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Where KJP Builders UK Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Shared registered office
2,436 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if KJP Builders UK 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 4 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Nov 2026 to 4 Dec 2026 | £150 |
| 1 to 3 months late | 5 Dec 2026 to 4 Feb 2027 | £375 |
| 3 to 6 months late | 5 Feb 2027 to 4 May 2027 | £750 |
| More than 6 months late | From 5 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16228074
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 February 2025 (1 year ago)
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Construction of domestic buildings (SIC 41202)
Plumbing, heat and air-conditioning installation (SIC 43220)
Painting (SIC 43341)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 19 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 London
Other active building contractors registered in London.
- KJR Contractors Limited2023
- KK Apex Limited2025
- KK Build Services Limited2025
- KK Fire Limited2017
- KK Maintenance and Refurbishment Limited2016
- KKG Roofing Ltd2021
- KKR Build Ltd2026
- KL Builders Limited2014
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are KJP Builders UK Ltd's accounts due?
KJP Builders UK Ltd's next accounts are due at Companies House by 4 November 2026 (in 22 days), covering the period to 31 July 2026.
When is KJP Builders UK 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 3 February 2026, due by 3 February 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is KJP Builders UK Ltd still trading?
KJP Builders UK 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 KJP Builders UK Ltd do?
KJP Builders UK Ltd is registered under Construction of domestic buildings (SIC 41202); Plumbing, heat and air-conditioning installation (SIC 43220); Painting (SIC 43341); Other specialised construction activities n.e.c. (SIC 43999).
How old is KJP Builders UK Ltd?
KJP Builders UK Ltd was incorporated on 4 February 2025, 1 year ago.
What is the penalty if KJP Builders UK 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 KJP Builders UK 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.