- Companies
- Plumbers and heating engineers
- Milton Keynes
- A5H Plumbing Ltd
A5H Plumbing Ltd
- Company number
- 13356602
- Incorporated
- 26 Apr 20215 years trading
- Registered office
- 117 Whaddon Way, Bletchley, Milton Keynes, MK3 7DY
- Nature of business
- Plumbing, heat and air-conditioning installation
A5H Plumbing Ltd is a 5-year-old private limited company registered in Milton Keynes, company number 13356602, one of 197 plumbing and heating companies in Milton Keynes. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 £3,417 (-41.7%) on the year before, to -£12K.
- Net assets rose in 0 of 4 year-on-year comparisons on record.
- Current assets of £2,027 against £17K owed within a year: 0.1 times cover.
- 1 employee on average, up from 0 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Apr 2026 | -£12K | £2,027 | £2,027 | £17K | 1 |
| 30 Apr 2025 | -£8,198 | £529 | £529 | £17K | 0 |
| 30 Apr 2024 | -£2,973 | £1,139 | £1,139 | £16K | 0 |
| 30 Apr 2023 | £867 | £429 | £420 | 1 | |
| 30 Apr 2022 | £1,492 | £444 | £114 | 0 |
Where A5H Plumbing Ltd is registered
The registered office is in Milton Keynes (MK3), in the Milton Keynes local authority area, South East. Show MK3 7DY on a map.
Other trade companies in MK3
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- Hoichuk LtdLandscapers and gardeners
- Stokes Properties and Renovations LimitedFinishing trades
- All Pro Contractors LimitedRoofers
- MK Power Factor LtdElectricians
- LWM Electrical LtdElectricians
- Deep Clean Top Car Wash LtdCleaning companies
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What happens if A5H 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 13356602
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 April 2021 (5 years ago)
- Registered office
- 117 Whaddon Way, Bletchley, Milton Keynes, MK3 7DY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 29 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 Milton Keynes
Other active plumbing and heating companies registered in Milton Keynes.
- Aa Plumbing Needs Ltd2025
- Abbey Build Conversions Ltd2016
- Able Plumbing Solutions Ltd2012
- Abode Installations Ltd2018
- Acp Heating Ltd2022
- Active Cool Ltd2025
- Ad Air Solutions Ltd2026
- Adda Plumbing and Gas Services Ltd2004
All plumbing and heating companies in Milton Keynes · All trades in Milton Keynes · Plumbers and heating engineers across the UK
Frequently asked questions
When are A5H Plumbing Ltd's accounts due?
A5H Plumbing Ltd's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is A5H Plumbing Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is A5H Plumbing Ltd still trading?
A5H 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 A5H Plumbing Ltd do?
A5H Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is A5H Plumbing Ltd?
A5H Plumbing Ltd was incorporated on 26 April 2021, 5 years ago.
What is the penalty if A5H 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 A5H 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.