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- RHB Drain Services Limited
Company profile · Specialist contractors
RHB Drain Services Limited
RHB Drain Services Limited is a 22-year-old private limited company registered in Port Talbot, company number 04969512, one of 35 specialist construction companies in Port Talbot. 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.
RHB Drain Services Limited over the years
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 down £9,045 (-6.4%) on the year before, to £133K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £40K against £79K owed within a year: 0.5 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £133K | £24K | £40K | £79K | 4 |
| 31 Mar 2024 | £142K | £16K | £37K | £75K | 4 |
| 31 Mar 2023 | £160K | £36K | £39K | £71K | 4 |
| 31 Mar 2022 | £149K | £28K | £33K | £43K | 4 |
| 31 Mar 2021 | £116K | £15K | £24K | £55K | 4 |
| 31 Mar 2020 | £105K | £12K | £18K | £62K | 4 |
| 31 Mar 2019 | £130K | £17K | £37K | £73K | 4 |
| 31 Mar 2018 | £102K | £19K | £46K | £52K | 4 |
| 31 Mar 2017 | £87K | £22K | £48K | £47K | 4 |
| 31 Mar 2016 | £73K | £18K | £29K | £47K |
Where RHB Drain Services Limited is registered
The registered office is in Port Talbot (SA12), in the Neath Port Talbot local authority area, Wales. Show SA12 9US on a map.
Other trade companies in SA12
- Wearne Warmproof Specialist LimitedRoofers
- LMG Independent Bath Co LimitedElectricians
- South Wales Heritage Wood Revival LimitedPainters and decorators
- JD Industrial Services LtdCleaning companies
- Sherwood's Carpentry and Building Services LtdBuilders
- CDM Property Ventures LtdProperty developers
- Lawz Fabrications LtdMachinery repair and installation
- Smooth Operators Screeding LtdBuilders
What happens if RHB Drain Services 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
- 04969512
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 November 2003 (22 years ago)
- Registered office
- 14 Blaenavon Terrace, Port Talbot, West Glamorgan, SA12 9US
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 19 November 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Port Talbot
Other active specialist construction companies registered in Port Talbot.
- Richards David 0964 Limited2014
- S & E Engineering (Elec) Limited2003
- S&J Utilities Ltd2016
- Sa1 Driveways & Patio Specialists Ltd2023
- Sarton Rigging and Erecting Services Ltd2018
- Site Heat Treatment Services Limited1981
- SMC Marine Ltd2022
- Squiffy Dog Ltd2015
All specialist construction companies in Port Talbot · All trades in Port Talbot · Specialist contractors across the UK
Frequently asked questions
When are RHB Drain Services Limited's accounts due?
RHB Drain Services Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is RHB Drain Services 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 RHB Drain Services Limited still trading?
RHB Drain Services 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 RHB Drain Services Limited do?
RHB Drain Services Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is RHB Drain Services Limited?
RHB Drain Services Limited was incorporated on 19 November 2003, 22 years ago.
What is the penalty if RHB Drain Services 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 RHB Drain Services 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.