- Companies
- Installers
- London
- JJC Build & Reform Ltd
JJC Build & Reform Ltd
- Company number
- 17472120
- Incorporated
- 21 Sep 2026
- Registered office
- Flat 205 Northwood Tower, 71 Marlowe Road, London, E17 3HL
- Nature of business
- Other construction installation; Other specialised construction activities n.e.c.
JJC Build & Reform Ltd is a newly incorporated private limited company registered in London, company number 17472120, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 21 June 2028, and its first CT600 is due at HMRC on 20 September 2028.
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 JJC Build & Reform Ltd is registered
The registered office is in London (E17), in the Waltham Forest local authority area, London. Show E17 3HL on a map.
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What happens if JJC Build & Reform 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 21 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Jun 2028 to 21 Jul 2028 | £150 |
| 1 to 3 months late | 22 Jul 2028 to 21 Sep 2028 | £375 |
| 3 to 6 months late | 22 Sep 2028 to 21 Dec 2028 | £750 |
| More than 6 months late | From 22 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2029 | 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
- 17472120
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 September 2026
- Registered office
- Flat 205 Northwood Tower, 71 Marlowe Road, London, E17 3HL
- Nature of business
- Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Jji Contractors Ltd2024
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- JKM Construction Services Ltd2018
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- Jmpa Management Ltd2024
- Jocanex Base Ventures Ltd2023
- John 3:16 Lifts Limited2022
- John Man Locksmith Ltd2023
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are JJC Build & Reform Ltd's accounts due?
JJC Build & Reform Ltd's next accounts are due at Companies House by 21 June 2028 (in 617 days), covering the period to 30 September 2027.
When is JJC Build & Reform 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 20 September 2027, due by 20 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is JJC Build & Reform Ltd still trading?
JJC Build & Reform 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 JJC Build & Reform Ltd do?
JJC Build & Reform Ltd is registered under Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).
How old is JJC Build & Reform Ltd?
JJC Build & Reform Ltd was incorporated on 21 September 2026, less than a year ago.
What is the penalty if JJC Build & Reform 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 JJC Build & Reform 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.