- Companies
- Plumbers and heating engineers
- Harrow
- Blue Mountain Plumbing and Heating Ltd
Blue Mountain Plumbing and Heating Ltd
- Company number
- 17410156
- Incorporated
- 19 Aug 2026
- Registered office
- 62 Walton Avenue, Harrow, HA2 8QX
- Nature of business
- Plumbing, heat and air-conditioning installation
Blue Mountain Plumbing and Heating Ltd is a newly incorporated private limited company registered in Harrow, company number 17410156, one of 154 plumbing and heating companies in Harrow. Its next accounts are due at Companies House on 19 May 2028, and its first CT600 is due at HMRC on 18 August 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?
File the first 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 Blue Mountain Plumbing and Heating LtdOr 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 Blue Mountain Plumbing and Heating Ltd is registered
The registered office is in Harrow (HA2), in the Harrow local authority area, London. Show HA2 8QX on a map.
Other trade companies in HA2
- KJP Engineering LtdElectricians
- JNJ Engineering LimitedCivil engineering
- Notting Hill Sew LtdRepair services
- Grandwellautos LtdMotor traders
- Multisteel Powdercoating LtdPainters and decorators
- Neon Systems LtdElectricians
- Firstclass Facilities LtdCleaning companies
- PMD Construct LtdBuilders
What happens if Blue Mountain Plumbing and Heating 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 19 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 May 2028 to 19 Jun 2028 | £150 |
| 1 to 3 months late | 20 Jun 2028 to 19 Aug 2028 | £375 |
| 3 to 6 months late | 20 Aug 2028 to 19 Nov 2028 | £750 |
| More than 6 months late | From 20 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17410156
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 August 2026
- Registered office
- 62 Walton Avenue, Harrow, HA2 8QX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (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 Harrow
Other active plumbing and heating companies registered in Harrow.
- Bmi Plumbing Ltd2019
- Bobby and Sons Heating and Plumbing Ltd2026
- Brompton Air Ltd2024
- BSCM Install Pro Ltd2015
- C Pop Plumbing Ltd2021
- C&J Plumbing Ltd2023
- Call 'Em Limited2026
- Capital Properties Services Ltd2023
All plumbing and heating companies in Harrow · All trades in Harrow · Plumbers and heating engineers across the UK
Frequently asked questions
When are Blue Mountain Plumbing and Heating Ltd's accounts due?
Blue Mountain Plumbing and Heating Ltd's next accounts are due at Companies House by 19 May 2028 (in 584 days), covering the period to 31 August 2027.
When is Blue Mountain Plumbing and Heating 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 18 August 2027, due by 18 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Blue Mountain Plumbing and Heating Ltd still trading?
Blue Mountain Plumbing and Heating 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 Blue Mountain Plumbing and Heating Ltd do?
Blue Mountain Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Blue Mountain Plumbing and Heating Ltd?
Blue Mountain Plumbing and Heating Ltd was incorporated on 19 August 2026, less than a year ago.
What is the penalty if Blue Mountain Plumbing and Heating 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 Blue Mountain Plumbing and Heating 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.