- Companies
- Finishing trades
- London
- JJS Property Improvements Limited
JJS Property Improvements Limited
- Company number
- 15537840
- Incorporated
- 3 Mar 20242 years trading
- Registered office
- 291 Green Lanes, London, N13 4XS
- Nature of business
- Other building completion and finishing
JJS Property Improvements Limited is a 2-year-old private limited company registered in London, company number 15537840, one of 3,947 building finishing companies in London. 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.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where JJS Property Improvements Limited is registered
The registered office is in London (N13), in the Enfield local authority area, London. Show N13 4XS on a map.
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- Danni Plumbing LtdPlumbers and heating engineers
Shared registered office
30 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 JJS Property Improvements Limited 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
- 15537840
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 March 2024 (2 years ago)
- Registered office
- 291 Green Lanes, London, N13 4XS
- 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
- 29 June 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 London
Other active building finishing companies registered in London.
- JJT Design & Build Limited2022
- JK Deco Design Limited2023
- JK Prestige Building Ltd2019
- JKL Building & Maintenance Ltd2026
- JLJ Decor Limited2015
- JLJ Dry Lining Ltd2022
- JLW Building Services Ltd2010
- JM Aras Ltd2023
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are JJS Property Improvements Limited's accounts due?
JJS Property Improvements Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is JJS Property Improvements Limited'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 JJS Property Improvements Limited still trading?
JJS Property Improvements Limited 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 JJS Property Improvements Limited do?
JJS Property Improvements Limited is registered under Other building completion and finishing (SIC 43390).
How old is JJS Property Improvements Limited?
JJS Property Improvements Limited was incorporated on 3 March 2024, 2 years ago.
What is the penalty if JJS Property Improvements Limited 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 JJS Property Improvements Limited 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.