- Companies
- Property developers
- Merthyr Tydfil
- Flow Building Services Engineering Ltd
Flow Building Services Engineering Ltd
- Company number
- 13308742
- Incorporated
- 1 Apr 20215 years trading
- Registered office
- Unit B5 Valleys Enterprise Centre Merthyr Industrial Estate, Pentrebach, Merthyr Tydfil, CF48 4DR
- Nature of business
- Development of building projects; Electrical installation; Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Flow Building Services Engineering Ltd is a 5-year-old private limited company registered in Merthyr Tydfil, company number 13308742, one of 42 property development companies in Merthyr Tydfil. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 up £854 (+12.7%) on the year before, to -£5,848.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £5,107 against £9,935 owed within a year: 0.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | -£5,848 | £5,107 | £9,935 | 1 | |
| 30 Apr 2024 | -£6,702 | £2,853 | £7,935 | 1 | |
| 30 Apr 2023 | £100 | £100 | 1 | ||
| 30 Apr 2022 | £100 | £0 |
Where Flow Building Services Engineering Ltd is registered
The registered office is in Merthyr Tydfil (CF48), in the Merthyr Tydfil local authority area, Wales. Show CF48 4DR on a map.
Other trade companies in CF48
- Valley Roofing Building & Carpentry LimitedRoofers
- Ajl Rail/Civil Engineering LtdCivil engineering
- M&K Valeting LtdCleaning companies
- Mdgroundworks LtdGroundworks and demolition
- Craig Lloyd Groundworks LtdCivil engineering
- Noarc Electrical LtdElectricians
- Elt Brickwork LimitedBuilders
- JBH Decorating LimitedPainters and decorators
What happens if Flow Building Services Engineering 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 13308742
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 April 2021 (5 years ago)
- Registered office
- Unit B5 Valleys Enterprise Centre Merthyr Industrial Estate, Pentrebach, Merthyr Tydfil, CF48 4DR
- Nature of business
- Development of building projects (SIC 41100)
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 31 March 2026
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 Merthyr Tydfil
Other active property development companies registered in Merthyr Tydfil.
- Formova Limited2026
- GNB (South Wales) Limited2009
- Graft Heating and Building Services Ltd2008
- Graft Projects Limited2015
- Green Light Property Holdings Ltd2025
- Highfield Property Group Ltd2018
- Invest2Valley Limited2017
- J&L Refurb Limited2025
All property development companies in Merthyr Tydfil · All trades in Merthyr Tydfil · Property developers across the UK
Frequently asked questions
When are Flow Building Services Engineering Ltd's accounts due?
Flow Building Services Engineering Ltd's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Flow Building Services Engineering Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Flow Building Services Engineering Ltd still trading?
Flow Building Services Engineering 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 Flow Building Services Engineering Ltd do?
Flow Building Services Engineering Ltd is registered under Development of building projects (SIC 41100); Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Flow Building Services Engineering Ltd?
Flow Building Services Engineering Ltd was incorporated on 1 April 2021, 5 years ago.
What is the penalty if Flow Building Services Engineering 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 Flow Building Services Engineering 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.