- Companies
- Finishing trades
- Morden
- JNK Build Ltd
JNK Build Ltd
- Company number
- 12499125
- Incorporated
- 5 Mar 20206 years trading
- Registered office
- 13 Flaxley Road, Morden, SM4 6LJ
- Nature of business
- Other building completion and finishing
JNK Build Ltd is a 6-year-old private limited company registered in Morden, company number 12499125, one of 66 building finishing companies in Morden. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for JNK Build LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £9,390 (-16.5%) on the year before, to £48K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £4,159 against £5,179 owed within a year: 0.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £48K | £4,159 | £5,179 | 1 | |
| 31 Mar 2024 | £57K | £30K | £21K | 1 | |
| 31 Mar 2023 | £66K | £21K | £8,799 | 1 | |
| 31 Mar 2022 | £19K | £12K | £11K | 1 | |
| 31 Mar 2021 | £8,211 | £9,084 | £873 | 1 |
Who runs and owns JNK Build Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** K*** | Director | Mar 2020 |
Person with significant control
Where JNK Build Ltd is registered
The registered office is in Morden (SM4), in the Merton local authority area, London. Show SM4 6LJ on a map.
Other trade companies in SM4
- Penta Projects LtdFinishing trades
- Vip Autos London LtdMotor traders
- Apx Mobile Mechanics LimitedMechanics and garages
- Global Autos London LtdMotor traders
- Prana Projects LimitedBuilders
- Londons Build UK LtdBuilders
- Hilal Al Emarate Building Cont. and BLDG. Materials TRDG. LtdBuilders
- Parixon LtdElectricians
What happens if JNK Build 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 12499125
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 March 2020 (6 years ago)
- Registered office
- 13 Flaxley Road, Morden, SM4 6LJ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 4 March 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Morden
Other active building finishing companies registered in Morden.
- KMS London Trading Ltd2016
- London Building Repair and Maintenance Ltd2020
- LS Contractors Ltd2023
- Luxury Tiles U.K Limited2016
- Lynch Maintenance Limited2006
- M S Windows & Conservatories Ltd2014
- Mania UK Trading Ltd2019
- Mar Builders London Limited2016
All building finishing companies in Morden · All trades in Morden · Finishing trades across the UK
Frequently asked questions
When are JNK Build Ltd's accounts due?
JNK Build Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is JNK Build Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is JNK Build Ltd still trading?
JNK Build 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 JNK Build Ltd do?
JNK Build Ltd is registered under Other building completion and finishing (SIC 43390).
How old is JNK Build Ltd?
JNK Build Ltd was incorporated on 5 March 2020, 6 years ago.
Who runs JNK Build Ltd?
JNK Build Ltd has 1 active director, the longest-serving appointed in Mar 2020. Their names and service addresses are on the Companies House register.
Who owns JNK Build Ltd?
One person or company has significant control of JNK Build Ltd: an individual (owns 75% or more of the shares).
What is the penalty if JNK Build 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 JNK Build 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.