- Company number
- 14747390
- Incorporated
- 21 Mar 20233 years trading
- Registered office
- Avc House, 21 Northampton Lane, Swansea, SA1 4EH
- Nature of business
- Construction of domestic buildings
RLB Home Improvements Ltd is a 3-year-old private limited company registered in Swansea, company number 14747390, one of 204 building contractors in Swansea. 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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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 down £11K (-98.7%) on the year before, to £135.
- Current assets of £16K against £27K owed within a year: 0.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £135 | £16K | £27K | 1 | |
| 31 Mar 2024 | £11K | £5,499 | £11K | 1 |
Where RLB Home Improvements Ltd is registered
The registered office is in Swansea (SA1), in the Swansea local authority area, Wales. Show SA1 4EH on a map.
Other trade companies in SA1
- JDS Ringside Customs LtdRepair services
- D & M Carpentry and Construction LimitedCivil engineering
- Westway Window Systems LimitedJoiners and carpenters
- International Classic Car Sales LtdMotor traders
- Edefec LtdBuilders
- Swansea Scaffolding Services LtdScaffolders
- Lou's Paint and Finish LimitedPainters and decorators
- Mesa Property Development LtdProperty developers
Shared registered office
38 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 RLB Home Improvements 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 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
- 14747390
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 March 2023 (3 years ago)
- Registered office
- Avc House, 21 Northampton Lane, Swansea, SA1 4EH
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 20 March 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 Swansea
Other active building contractors registered in Swansea.
- Rogers and Russell (Contracting) Limited2020
- Russell Waters & Co. Ltd2020
- Ryjo Construction Ltd2019
- S M Richmond Ltd2022
- SBW Ltd2024
- Scully Property Group Ltd2021
- Set-Rite Construction Limited2016
- Smart Builders Swansea Ltd2025
All building contractors in Swansea · All trades in Swansea · Builders across the UK
Frequently asked questions
When are RLB Home Improvements Ltd's accounts due?
RLB Home Improvements Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is RLB Home Improvements Ltd'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 RLB Home Improvements Ltd still trading?
RLB Home Improvements 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 RLB Home Improvements Ltd do?
RLB Home Improvements Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is RLB Home Improvements Ltd?
RLB Home Improvements Ltd was incorporated on 21 March 2023, 3 years ago.
What is the penalty if RLB Home Improvements 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 RLB Home Improvements 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.