- Companies
- Plumbers and heating engineers
- Bournemouth
- MK Plumbing Dorset Ltd
MK Plumbing Dorset Ltd
- Company number
- 12195971
- Incorporated
- 9 Sep 20197 years trading
- Registered office
- 3 Glenmoor Close, Bournemouth, Dorset, BH10 4HN
- Nature of business
- Plumbing, heat and air-conditioning installation
MK Plumbing Dorset Ltd is a 7-year-old private limited company registered in Bournemouth, company number 12195971, one of 142 plumbing and heating companies in Bournemouth. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
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 up £199 (+1.6%) on the year before, to -£12K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £15K against £30K owed within a year: 0.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£12K | £15K | £30K | 1 | |
| 31 Aug 2024 | -£12K | £16K | £33K | 1 | |
| 31 Aug 2023 | -£4,581 | £12K | £16K | 1 | |
| 31 Aug 2022 | -£9,284 | £1,362 | £11K | 2 | |
| 31 Aug 2021 | -£2,845 | £1,362 | £4,207 | 2 | |
| 31 Aug 2020 | £113 | £1,962 | £1,849 | 2 |
Where MK Plumbing Dorset Ltd is registered
The registered office is in Bournemouth (BH10), in the Bournemouth, Christchurch and Poole local authority area, South West. Show BH10 4HN on a map.
Other trade companies in BH10
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- Ibn Building and Landscaping LtdBuilders
- Sunshine Leisure LtdProperty developers
- Car Wash Kinson LimitedCleaning companies
- Construction Solutions Pro LimitedBuilders
- Rouse Property Maintenance LtdElectricians
- Bald Drylining LtdBuilders
- GB Build Solutions LtdBuilders
Also registered at this address
1 other company uses the same registered office as MK Plumbing Dorset Ltd.
- Heat Pumps Pro LtdBuilders
What happens if MK Plumbing Dorset 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12195971
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 September 2019 (7 years ago)
- Registered office
- 3 Glenmoor Close, Bournemouth, Dorset, BH10 4HN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 8 September 2025
- Previous names
- MK Plumbing Heating & Gas Ltd (until 15 Nov 2023)
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 Bournemouth
Other active plumbing and heating companies registered in Bournemouth.
- MK1 Plumbing Services Ltd2014
- Mme Heating & Plumbing Ltd2021
- Moordown Gas Ltd2015
- Morris Plumbing & Heating Limited2010
- MTR Plumbing & Heating Limited2002
- N&R GL Group Ltd2023
- New Forest Precision Plumbing Ltd2023
- NPS Contracts Limited2017
All plumbing and heating companies in Bournemouth · All trades in Bournemouth · Plumbers and heating engineers across the UK
Frequently asked questions
When are MK Plumbing Dorset Ltd's accounts due?
MK Plumbing Dorset Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is MK Plumbing Dorset Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is MK Plumbing Dorset Ltd still trading?
MK Plumbing Dorset Ltd is listed as active on the Companies House register (checked 13 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 MK Plumbing Dorset Ltd do?
MK Plumbing Dorset Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is MK Plumbing Dorset Ltd?
MK Plumbing Dorset Ltd was incorporated on 9 September 2019, 7 years ago.
What is the penalty if MK Plumbing Dorset 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 MK Plumbing Dorset Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.