- Company number
- 15200134
- Incorporated
- 10 Oct 20233 years trading
- Registered office
- 1 Dukes Passage, Brighton, BN1 1BS
- Nature of business
- Construction of domestic buildings
RDM Construction Sussex Ltd is a 3-year-old private limited company registered in Brighton, company number 15200134, one of 191 building contractors in Brighton. Its next accounts are due at Companies House on 30 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2024
From the balance sheet at 31 October 2024, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where RDM Construction Sussex Ltd is registered
The registered office is in Brighton (BN1), in the Brighton and Hove local authority area, South East. Show BN1 1BS on a map.
Other trade companies in BN1
- Appliance & Home Care LtdRepair services
- Steeleagle LtdMachinery repair and installation
- C & G Energy Solutions LimitedPlumbers and heating engineers
- Ruihe Raising Property LtdProperty developers
- Davinci Building LtdSpecialist contractors
- Almore Roofing & Guttering LtdRoofers
- Neo Av LtdMachinery repair and installation
- Akoma Homes and Commercial Cleaning LtdCleaning companies
Shared registered office
43 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 RDM Construction Sussex 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 30 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Oct 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 30 Jan 2027 | £375 |
| 3 to 6 months late | 31 Jan 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Jan 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 30 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jan 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
- 15200134
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 October 2023 (3 years ago)
- Registered office
- 1 Dukes Passage, Brighton, BN1 1BS
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 29 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 9 October 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 Brighton
Other active building contractors registered in Brighton.
- Refurbishment Company Sussex Ltd2025
- Regan Construction Limited2016
- Renaissance Building Services Limited2025
- RJ Developments Limited2017
- RMG Construction Ltd2026
- Rockwood Construction Ltd2023
- S L J Construction Limited2011
- Safeguard Roofing & Building Contractors Ltd2026
All building contractors in Brighton · All trades in Brighton · Builders across the UK
Frequently asked questions
When are RDM Construction Sussex Ltd's accounts due?
RDM Construction Sussex Ltd's next accounts are due at Companies House by 30 October 2026 (in 17 days), covering the period to 30 January 2026.
When is RDM Construction Sussex 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 31 October 2025, due by 31 October 2026, and one for the period to 30 January 2026, due by 30 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is RDM Construction Sussex Ltd still trading?
RDM Construction Sussex 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 RDM Construction Sussex Ltd do?
RDM Construction Sussex Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is RDM Construction Sussex Ltd?
RDM Construction Sussex Ltd was incorporated on 10 October 2023, 3 years ago.
What is the penalty if RDM Construction Sussex 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 RDM Construction Sussex 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.