- Companies
- Plumbers and heating engineers
- Luton
- Flow Phase Limited
Flow Phase Limited
- Company number
- 17367839
- Incorporated
- 28 Jul 2026
- Registered office
- 23 Hillary Crescent, Luton, LU1 5JH
- Nature of business
- Plumbing, heat and air-conditioning installation
Flow Phase Limited is a newly incorporated private limited company registered in Luton, company number 17367839, one of 158 plumbing and heating companies in Luton. Its next accounts are due at Companies House on 28 April 2028, and its first CT600 is due at HMRC on 27 July 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Flow Phase Limited is registered
The registered office is in Luton (LU1), in the Luton local authority area, East of England. Show LU1 5JH on a map.
Other trade companies in LU1
- Metalia Plastering LtdPlasterers
- Luton Bodyworks LtdMechanics and garages
- Speedyone LtdGroundworks and demolition
- Varion Construction LtdProperty developers
- Bromhams LtdMotor traders
- Vertex Home Improvements LtdRoofers
- Skillede LtdElectricians
- Avram Cleaning LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as Flow Phase Limited.
What happens if Flow Phase 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 28 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Apr 2028 to 28 May 2028 | £150 |
| 1 to 3 months late | 29 May 2028 to 28 Jul 2028 | £375 |
| 3 to 6 months late | 29 Jul 2028 to 28 Oct 2028 | £750 |
| More than 6 months late | From 29 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17367839
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 July 2026
- Registered office
- 23 Hillary Crescent, Luton, LU1 5JH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Luton
Other active plumbing and heating companies registered in Luton.
- Flow Plumbin Limited2022
- G Abella (Installation and Maintenance Engineers) Limited2015
- Gas Guard Plumbing and Heating Ltd2024
- Gas Saife Limited2023
- Gasfix Pro Ltd2019
- Gaslink-Co Limited2007
- Gazeley Utilities Limited2021
- Gble Enterprise Ltd2022
All plumbing and heating companies in Luton · All trades in Luton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Flow Phase Limited's accounts due?
Flow Phase Limited's next accounts are due at Companies House by 28 April 2028 (in 564 days), covering the period to 31 July 2027.
When is Flow Phase Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 27 July 2027, due by 27 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Flow Phase Limited still trading?
Flow Phase 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 Flow Phase Limited do?
Flow Phase Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Flow Phase Limited?
Flow Phase Limited was incorporated on 28 July 2026, less than a year ago.
What is the penalty if Flow Phase 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 Flow Phase 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.