- Companies
- Plumbers and heating engineers
- Aylesbury
- Mu Plumbing and Heating Ltd
Mu Plumbing and Heating Ltd
- Company number
- 13311594
- Incorporated
- 3 Apr 20215 years trading
- Registered office
- 16 ST Johns Road, Aylesbury, Bucks, HP20 1BU
- Nature of business
- Plumbing, heat and air-conditioning installation
Mu Plumbing and Heating Ltd is a 5-year-old private limited company registered in Aylesbury, company number 13311594, one of 119 plumbing and heating companies in Aylesbury. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 Mu 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.
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 £18K (-32.6%) on the year before, to £37K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £37K | £1,764 | 0 | ||
| 31 Mar 2025 | £55K | £5,036 | 0 | ||
| 31 Mar 2024 | £63K | £12K | 0 | ||
| 31 Mar 2023 | £46K | £30K | 0 | ||
| 31 Mar 2022 | £18K | £5,058 | 0 |
Where Mu Plumbing and Heating Ltd is registered
The registered office is in Aylesbury (HP20), in the Buckinghamshire local authority area, South East. Show HP20 1BU on a map.
Other trade companies in HP20
- Fitmechs LtdMechanics and garages
- GSF Motor Parts LimitedMotor traders
- Crownvista Motors LtdMotor traders
- Vellora Property LtdProperty developers
- Thrive Valeting LtdMotor traders
- Desmil LimitedCleaning companies
- Dragon Fire Stopping LimitedInstallers
- VLD Constructions Engineering LtdBuilders
Also registered at this address
1 other company uses the same registered office as Mu Plumbing and Heating Ltd.
- Mu Bathrooms LtdPlumbers and heating engineers
What happens if Mu 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13311594
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 April 2021 (5 years ago)
- Registered office
- 16 ST Johns Road, Aylesbury, Bucks, HP20 1BU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 2 April 2026
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 Aylesbury
Other active plumbing and heating companies registered in Aylesbury.
- North Mill Stoves Limited2010
- Oliver's Plumbing and Heating Ltd2023
- Optimum Construction & Interior Design Ltd2012
- Osborn Heating & Plumbing Limited2022
- Otmoor Plumbing & Heating Limited2009
- Panda Heating Limited2015
- Peposhi Plumbing Services Limited2022
- Pipecraft Mechanical Ltd2025
All plumbing and heating companies in Aylesbury · All trades in Aylesbury · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mu Plumbing and Heating Ltd's accounts due?
Mu Plumbing and Heating Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Mu Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Mu Plumbing and Heating Ltd still trading?
Mu 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 Mu Plumbing and Heating Ltd do?
Mu Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mu Plumbing and Heating Ltd?
Mu Plumbing and Heating Ltd was incorporated on 3 April 2021, 5 years ago.
What is the penalty if Mu 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 Mu 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.