- Companies
- Plumbers and heating engineers
- London
- Reactive PHD Ltd
Reactive PHD Ltd
- Company number
- 16826460
- Incorporated
- 3 Nov 2025
- Registered office
- 3RD Floor, 86-90, Paul Street, London, England, EC2A 4NE
- Nature of business
- Plumbing, heat and air-conditioning installation
Reactive PHD Ltd is a newly incorporated private limited company registered in London, company number 16826460, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 3 August 2027, and its first CT600 is due at HMRC on 2 November 2027.
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.
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Where Reactive PHD Ltd is registered
The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.
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- Cenlora Cleaning Group LtdCleaning companies
Shared registered office
1,581 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 Reactive PHD 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 3 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 4 Aug 2027 to 3 Sep 2027 | £150 |
| 1 to 3 months late | 4 Sep 2027 to 3 Nov 2027 | £375 |
| 3 to 6 months late | 4 Nov 2027 to 3 Feb 2028 | £750 |
| More than 6 months late | From 4 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16826460
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 November 2025
- Registered office
- 3RD Floor, 86-90, Paul Street, London, England, EC2A 4NE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (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 London
Other active plumbing and heating companies registered in London.
- Real Boiler Servicing Ltd2017
- Rec Advanced Mechanical Ltd2026
- Rectify Plumbing & Heating Ltd2016
- Redlight Krystian Kasperowicz Ltd2024
- Reeplay Renovations Ltd2025
- Reesy's Heating Ltd2025
- Regal Gas & Electrical Services Limited2012
- Regal Technical Services Ltd2025
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Reactive PHD Ltd's accounts due?
Reactive PHD Ltd's next accounts are due at Companies House by 3 August 2027 (in 295 days), covering the period to 30 November 2026.
When is Reactive PHD 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 2 November 2026, due by 2 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Reactive PHD Ltd still trading?
Reactive PHD 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 Reactive PHD Ltd do?
Reactive PHD Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Reactive PHD Ltd?
Reactive PHD Ltd was incorporated on 3 November 2025, less than a year ago.
What is the penalty if Reactive PHD 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 Reactive PHD 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.