- Companies
- Plumbers and heating engineers
- London
- 777 Plumbing Limited
777 Plumbing Limited
- Company number
- 07822646
- Incorporated
- 25 Oct 201114 years trading
- Registered office
- 1453 High Road, London, N20 9PH
- Nature of business
- Plumbing, heat and air-conditioning installation
777 Plumbing Limited is a 14-year-old private limited company registered in London, company number 07822646, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for 777 Plumbing LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where 777 Plumbing Limited is registered
The registered office is in London (N20), in the Barnet local authority area, London. Show N20 9PH on a map.
Other trade companies in N20
- Ebi London Renovations LtdBuilders
- Spartan Builders LtdProperty developers
- PT Exterior Cleaning LtdCleaning companies
- Building Version Service LimitedBuilders
- Everon Services LimitedInstallers
- Lumix Safe Electrical LtdMachinery repair and installation
- Apexion Design & Build LtdBuilders
- Orchid Education and Art LtdFinishing trades
What happens if 777 Plumbing 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 07822646
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 October 2011 (14 years ago)
- Registered office
- 1453 High Road, London, N20 9PH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 24 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 London
Other active plumbing and heating companies registered in London.
- 777PCM Limited2026
- 8 Years and 1 Day Ltd.2026
- A & G House Solutions Ltd2022
- A & H Energy Engineering & Services Limited2025
- A 1 Heating & Plumbing Ltd2016
- A 2 Z Plumbing Ltd2022
- A A Drains Ltd2021
- A and A Plumbing Solutions Ltd2021
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are 777 Plumbing Limited's accounts due?
777 Plumbing Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is 777 Plumbing Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is 777 Plumbing Limited still trading?
777 Plumbing 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 777 Plumbing Limited do?
777 Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is 777 Plumbing Limited?
777 Plumbing Limited was incorporated on 25 October 2011, 14 years ago.
What is the penalty if 777 Plumbing 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 777 Plumbing 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.