- Company number
- 13097101
- Incorporated
- 23 Dec 20205 years trading
- Registered office
- 24 Conway Road Conway Road, Penlan, Swansea, SA5 7BG
- Nature of business
- Construction of domestic buildings; Buying and selling of own real estate; Other letting and operating of own or leased real estate
Castle View Mumbles Ltd is a 5-year-old private limited company registered in Swansea, company number 13097101, one of 204 building contractors in Swansea. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 £110 (-0.8%) on the year before, to £14K.
- Current assets of £5,308 against £240K owed within a year: 0.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2022 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £14K | £3,898 | £5,308 | £240K | 1 |
| 31 Dec 2023 | £14K | £2,197 | £3,607 | £240K | 1 |
| 31 Dec 2022 | £7,806 | £4,670 | £4,670 | £242K | 1 |
Who runs and owns Castle View Mumbles Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** O*** | Director | Dec 2020 |
Person with significant control
Where Castle View Mumbles Ltd is registered
The registered office is in Swansea (SA5), in the Swansea local authority area, Wales. Show SA5 7BG on a map.
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- Same Day Roof Repairs Swansea LtdRoofers
- Warlow&Co LimitedProperty developers
- RNJ Vehicle Repairs LtdMechanics and garages
- Erj's Recovery and Transportation LtdMotor traders
- Brandrick Group LimitedElectricians
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What happens if Castle View Mumbles 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
- 13097101
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 December 2020 (5 years ago)
- Registered office
- 24 Conway Road Conway Road, Penlan, Swansea, SA5 7BG
- Nature of business
- Construction of domestic buildings (SIC 41202)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 12 February 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.
- Cdaa Services Limited2023
- CDL Building and Carpentry Limited2013
- CJWR Construction Ltd2024
- Claemore Building Contractor Limited2017
- Clockwerk Limited2013
- Clydach Construction Limited1999
- Cmo Building and Landscaping Ltd2026
- CMT Bricklaying Limited2017
All building contractors in Swansea · All trades in Swansea · Builders across the UK
Frequently asked questions
When are Castle View Mumbles Ltd's accounts due?
Castle View Mumbles Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Castle View Mumbles 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 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Castle View Mumbles Ltd still trading?
Castle View Mumbles 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 Castle View Mumbles Ltd do?
Castle View Mumbles Ltd is registered under Construction of domestic buildings (SIC 41202); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Castle View Mumbles Ltd?
Castle View Mumbles Ltd was incorporated on 23 December 2020, 5 years ago.
Who runs Castle View Mumbles Ltd?
Castle View Mumbles Ltd has 1 active director, the longest-serving appointed in Dec 2020. Their names and service addresses are on the Companies House register.
Who owns Castle View Mumbles Ltd?
One person or company has significant control of Castle View Mumbles Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Castle View Mumbles 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 Castle View Mumbles 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.