- Companies
- Builders
- High Wycombe
- JK W4 Contractors Ltd
JK W4 Contractors Ltd
- Company number
- 11693783
- Incorporated
- 23 Nov 20187 years trading
- Registered office
- 18 Sandford Gardens, High Wycombe, HP11 1QT
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
JK W4 Contractors Ltd is a 7-year-old private limited company registered in High Wycombe, company number 11693783, one of 228 building contractors in High Wycombe. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £13K (+190.8%) on the year before, to £19K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £18K against £11K owed within a year: 1.6 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £19K | £18K | £11K | 1 | |
| 30 Nov 2024 | £6,600 | £6,507 | £22K | 1 | |
| 30 Nov 2023 | £3,306 | £12K | £12K | 1 | |
| 30 Nov 2022 | £758 | £15K | £18K | 1 |
Where JK W4 Contractors Ltd is registered
The registered office is in High Wycombe (HP11), in the Buckinghamshire local authority area, South East. Show HP11 1QT on a map.
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What happens if JK W4 Contractors 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 11693783
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 November 2018 (7 years ago)
- Registered office
- 18 Sandford Gardens, High Wycombe, HP11 1QT
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 22 November 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 High Wycombe
Other active building contractors registered in High Wycombe.
- JK&PK Construction Ltd2021
- JSQ Building Services Ltd2023
- Kevin Sears Carpentry Limited2003
- Kingswood Design and Build Ltd2020
- KPRT Construction Limited2023
- KS Dhillon Constructions Ltd2025
- Kuras Plumbing Gas and Electrical Ltd2015
- Lexy Construction Ltd2012
All building contractors in High Wycombe · All trades in High Wycombe · Builders across the UK
Frequently asked questions
When are JK W4 Contractors Ltd's accounts due?
JK W4 Contractors Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is JK W4 Contractors Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is JK W4 Contractors Ltd still trading?
JK W4 Contractors 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 JK W4 Contractors Ltd do?
JK W4 Contractors Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is JK W4 Contractors Ltd?
JK W4 Contractors Ltd was incorporated on 23 November 2018, 7 years ago.
What is the penalty if JK W4 Contractors 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 JK W4 Contractors 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.