- Company number
- 16555800
- Incorporated
- 2 Jul 20251 year trading
- Registered office
- Devonshire House, 582 Honeypot Lane, Stanmore, HA7 1JS
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other specialised construction activities n.e.c.
R4 Construction Limited is a 1-year-old private limited company registered in Stanmore, company number 16555800, one of 198 building contractors in Stanmore. Its next accounts are due at Companies House on 2 April 2027, and its first CT600 is due at HMRC on 1 July 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 R4 Construction Limited is registered
The registered office is in Stanmore (HA7), in the Harrow local authority area, London. Show HA7 1JS on a map.
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- Ady Painting and Decorating LtdInstallers
Shared registered office
113 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 R4 Construction 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 2 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 3 Apr 2027 to 2 May 2027 | £150 |
| 1 to 3 months late | 3 May 2027 to 2 Jul 2027 | £375 |
| 3 to 6 months late | 3 Jul 2027 to 2 Oct 2027 | £750 |
| More than 6 months late | From 3 Oct 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
- 16555800
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 July 2025 (1 year ago)
- Registered office
- Devonshire House, 582 Honeypot Lane, Stanmore, HA7 1JS
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
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
- 1 July 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 Stanmore
Other active building contractors registered in Stanmore.
- Rama Property Refurbishment Limited2011
- Ray Fawehimi Limited1999
- Richmond Civil Engineering Limited2010
- Rinnovare Construction & Decoration Ltd2025
- RJM Engineering Solutions Limited2014
- RS Brothers Construction Ltd2020
- RTB Construction&Logistics Ltd2026
- Rus Plastering Ltd2022
All building contractors in Stanmore · All trades in Stanmore · Builders across the UK
Frequently asked questions
When are R4 Construction Limited's accounts due?
R4 Construction Limited's next accounts are due at Companies House by 2 April 2027 (in 172 days), covering the period to 31 July 2026.
When is R4 Construction Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 1 July 2026, due by 1 July 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 R4 Construction Limited still trading?
R4 Construction 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 R4 Construction Limited do?
R4 Construction Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other specialised construction activities n.e.c. (SIC 43999).
How old is R4 Construction Limited?
R4 Construction Limited was incorporated on 2 July 2025, 1 year ago.
What is the penalty if R4 Construction 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 R4 Construction 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.