- Companies
- Plumbers and heating engineers
- Gainsborough
- Mark Wood Heating Ltd
Mark Wood Heating Ltd
- Company number
- 04841950
- Incorporated
- 23 Jul 200323 years trading
- Registered office
- 3 Haven Close, Blyton, Gainsborough, Lincolnshire, DN21 3PG
- Nature of business
- Plumbing, heat and air-conditioning installation
Mark Wood Heating Ltd is a 23-year-old private limited company registered in Gainsborough, company number 04841950, one of 37 plumbing and heating companies in Gainsborough. Its next accounts are due at Companies House on 30 April 2028, and the CT600 for the period to 31 July 2027 is due at HMRC on 31 July 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 £23K (-30.3%) on the year before, to £53K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £38K against £9,839 owed within a year: 3.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2026 | £53K | £38K | £9,839 | 1 | |
| 31 Jul 2025 | £76K | £59K | £13K | 1 | |
| 31 Jul 2024 | £109K | £91K | £21K | 1 | |
| 31 Jul 2023 | £122K | £82K | £13K | 1 | |
| 31 Jul 2022 | £195K | £231K | £50K | 2 | |
| 31 Jul 2021 | £189K | £209K | £33K | 2 | |
| 31 Jul 2020 | £139K | £163K | £39K | 2 | |
| 31 Jul 2019 | £123K | £140K | £35K | ||
| 31 Jul 2018 | £86K | £89K | £16K | ||
| 31 Jul 2017 | £89K | £116K | £44K |
Where Mark Wood Heating Ltd is registered
The registered office is in Gainsborough (DN21), in the West Lindsey local authority area, East Midlands. Show DN21 3PG on a map.
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- San San Properties & Developments LtdBuilders
- Pages Garage LtdMechanics and garages
- Elite Touch Home Cleaning LtdCleaning companies
- Gregelec LimitedElectricians
- DRM 2026 LimitedMotor traders
- Elite Carpet Care Gainsborough LtdCleaning companies
What happens if Mark Wood 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 30 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2028 to 31 May 2028 | £150 |
| 1 to 3 months late | 1 Jun 2028 to 31 Jul 2028 | £375 |
| 3 to 6 months late | 1 Aug 2028 to 31 Oct 2028 | £750 |
| More than 6 months late | From 1 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 04841950
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 July 2003 (23 years ago)
- Registered office
- 3 Haven Close, Blyton, Gainsborough, Lincolnshire, DN21 3PG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2026
- Last confirmation statement
- 2 September 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 Gainsborough
Other active plumbing and heating companies registered in Gainsborough.
- N Proctor Plumbing and Heating Limited2016
- Nigel Allen Plumbers Ltd2010
- PD Services (Lincs ) Ltd2012
- PJT Bathrooms Limited2025
- PJT Plumbing & Heating Limited2025
- RJL Gas Services Ltd2025
- Service Plus Install Ltd2020
- T Green Plumbing & Heating Ltd2018
All plumbing and heating companies in Gainsborough · All trades in Gainsborough · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mark Wood Heating Ltd's accounts due?
Mark Wood Heating Ltd's next accounts are due at Companies House by 30 April 2028 (in 566 days), covering the period to 31 July 2027.
When is Mark Wood Heating Ltd's CT600 due?
The CT600 for the period to 31 July 2027 is due at HMRC by 31 July 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2028.
Is Mark Wood Heating Ltd still trading?
Mark Wood 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 Mark Wood Heating Ltd do?
Mark Wood Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mark Wood Heating Ltd?
Mark Wood Heating Ltd was incorporated on 23 July 2003, 23 years ago.
What is the penalty if Mark Wood 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 Mark Wood 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.