- Companies
- Plumbers and heating engineers
- Romford
- Pentagon Plumbing Ltd
Pentagon Plumbing Ltd
- Company number
- 15353684
- Incorporated
- 15 Dec 20232 years trading
- Registered office
- 180 London Road, Romford, RM7 9EU
- Nature of business
- Plumbing, heat and air-conditioning installation
Pentagon Plumbing Ltd is a 2-year-old private limited company registered in Romford, company number 15353684, one of 163 plumbing and heating companies in Romford. 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 £1,305 (-43.2%) on the year before, to £1,713.
- Current assets of £1,085 against £3,115 owed within a year: 0.3 times cover.
- 2 employees 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 Dec 2025 | £1,713 | £815 | £1,085 | £3,115 | 2 |
| 31 Dec 2024 | £3,018 | £727 | £1,103 | £2,764 | 2 |
Where Pentagon Plumbing Ltd is registered
The registered office is in Romford (RM7), in the Havering local authority area, London. Show RM7 9EU on a map.
Other trade companies in RM7
- Te Cars LimitedMotor traders
- PW Pristine Property LtdCleaning companies
- Sunrise Landscaping LtdLandscapers and gardeners
- Square Edge Grounds Works LimitedProperty developers
- Ravin London Construction LimitedBuilders
- LND Cleanning Services LtdBuilders
- Jim Group Home Improvements LtdBuilders
- MT Tahiri Construction LtdBuilders
Also registered at this address
10 other companies use the same registered office as Pentagon Plumbing Ltd.
- BSKR Construction LimitedBuilders
- Build Plus Roofing LimitedRoofers
- Clean Tock LimitedCleaning companies
- Cornerstone Management London LimitedFinishing trades
- Homeland Design & Build LimitedBuilders
- Mayce Consultancy LimitedFinishing trades
- MD Double Glazing LimitedGlaziers
- S.B Motor Group LimitedMotor traders
- SGB Creations LimitedProperty developers
- UK Technical Services LimitedFinishing trades
What happens if Pentagon Plumbing 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
- 15353684
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 December 2023 (2 years ago)
- Registered office
- 180 London Road, Romford, RM7 9EU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 14 December 2025
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 Romford
Other active plumbing and heating companies registered in Romford.
- Phoenix Plumbing Services Limited2018
- PK Plumbing & Maintenance Limited2008
- PLT Invest Ltd2026
- Plumb Lab Limited2025
- Plumbing & Aircon Ltd2022
- Plumbing and Maintenance Ltd2019
- Plumbing Legends Ltd2024
- Plumbingas Ltd2024
All plumbing and heating companies in Romford · All trades in Romford · Plumbers and heating engineers across the UK
Frequently asked questions
When are Pentagon Plumbing Ltd's accounts due?
Pentagon Plumbing 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 Pentagon Plumbing 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 Pentagon Plumbing Ltd still trading?
Pentagon Plumbing 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 Pentagon Plumbing Ltd do?
Pentagon Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Pentagon Plumbing Ltd?
Pentagon Plumbing Ltd was incorporated on 15 December 2023, 2 years ago.
What is the penalty if Pentagon Plumbing 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 Pentagon Plumbing 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.