- Companies
- Property developers
- Leigh-on-Sea
- RDM Systems Limited
RDM Systems Limited
- Company number
- 03477604
- Incorporated
- 8 Dec 199728 years trading
- Registered office
- 1386 London Road, Leigh-on-Sea, Essex, SS9 2UJ
- Nature of business
- Development of building projects
RDM Systems Limited is a 28-year-old private limited company registered in Leigh-on-Sea, company number 03477604, one of 121 property development companies in Leigh-on-Sea. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 up £773 (+1.3%) on the year before, to £63K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £122K against £74K owed within a year: 1.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £63K | £122K | £74K | 0 | |
| 30 Apr 2025 | £62K | £99K | £54K | 0 | |
| 30 Apr 2024 | £59K | £80K | £36K | 1 | |
| 30 Apr 2023 | £83K | £108K | £43K | 1 | |
| 30 Apr 2022 | £78K | £132K | £61K | 1 | |
| 30 Apr 2021 | £60K | £98K | £49K | 1 | |
| 30 Apr 2020 | £59K | £91K | £45K | 1 | |
| 30 Apr 2019 | £59K | £108K | £64K | ||
| 30 Apr 2018 | £35K | £75K | £50K | ||
| 30 Apr 2017 | £45K | £78K | £45K |
Where RDM Systems Limited is registered
The registered office is in Leigh-on-Sea (SS9), in the Southend-on-Sea local authority area, East of England. Show SS9 2UJ on a map.
Other trade companies in SS9
- Cheap Locksmith Essex LtdRepair services
- Alexander Hall Real Estate LtdProperty developers
- Britannia Roofing & Dampproofing LtdRoofers
- Elite Build & Co (Essex) LtdBuilders
- High Lift Scaffold LimitedScaffolders
- Hill's Plumbing, Heating & Gas LtdPlumbers and heating engineers
- MTS Piling LimitedSpecialist contractors
- Install & Transport LimitedMachinery repair and installation
Shared registered office
164 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 Systems 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 03477604
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 December 1997 (28 years ago)
- Registered office
- 1386 London Road, Leigh-on-Sea, Essex, SS9 2UJ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 27 September 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Leigh-on-Sea
Other active property development companies registered in Leigh-on-Sea.
- Ridgley Property Management Limited2018
- Robert Rose Properties Ltd2026
- Rosemead Securities Ltd2017
- Rosi Designs Ltd2017
- RSW Building & Maintenance Limited2020
- Salmons Farm (Essex) Ltd2025
- Sandhurst Contracts Limited2007
- Sensus Construction Ltd2010
All property development companies in Leigh-on-Sea · All trades in Leigh-on-Sea · Property developers across the UK
Frequently asked questions
When are RDM Systems Limited's accounts due?
RDM Systems Limited's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.
When is RDM Systems Limited's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is RDM Systems Limited still trading?
RDM Systems Limited is listed as active on the Companies House register (checked 12 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 Systems Limited do?
RDM Systems Limited is registered under Development of building projects (SIC 41100).
How old is RDM Systems Limited?
RDM Systems Limited was incorporated on 8 December 1997, 28 years ago.
What is the penalty if RDM Systems 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 RDM Systems Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.