- Companies
- Plumbers and heating engineers
- Leighton Buzzard
- D-Mec Services Limited
D-Mec Services Limited
- Company number
- 04095753
- Incorporated
- 24 Oct 200025 years trading
- Registered office
- Unit 8, Billington Road, Leighton Buzzard, LU7 9HH
- Nature of business
- Plumbing, heat and air-conditioning installation
D-Mec Services Limited is a 25-year-old private limited company registered in Leighton Buzzard, company number 04095753, one of 43 plumbing and heating companies in Leighton Buzzard. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £148K (+34.4%) on the year before, to £579K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- Current assets of £797K against £275K owed within a year: 2.9 times cover.
- 10 employees on average during the year.
- Balance sheets on record for 8 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £579K | £296K | £797K | £275K | 10 |
| 31 Mar 2025 | £431K | £471K | £564K | £230K | 10 |
| 31 Mar 2024 | £341K | £422K | £577K | £321K | 10 |
| 31 Mar 2023 | £235K | £238K | £396K | £230K | 10 |
| 31 Mar 2022 | £161K | £252K | £358K | £276K | 11 |
| 31 Mar 2021 | £119K | £252K | £374K | £282K | 12 |
| 31 Mar 2020 | £87K | £58K | £279K | £220K | 11 |
| 31 Mar 2019 | £92K | £171K | £297K | £217K | 12 |
Where D-Mec Services Limited is registered
The registered office is in Leighton Buzzard (LU7), in the Central Bedfordshire local authority area, East of England. Show LU7 9HH on a map.
Other trade companies in LU7
- Labclad LtdSpecialist contractors
- S.E.C. Cladding LtdInstallers
- Dowell and Fields LimitedProperty developers
- Prime Seal Roofing & Guttering LtdRoofers
- Pristine Cleaning Solutions 83 LtdCleaning companies
- Marquez Aviation LimitedMachinery repair and installation
- Shazglobal LtdMechanics and garages
- L.T. Advanced Scaffolding LtdBuilders
What happens if D-Mec Services Limited 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 04095753
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 October 2000 (25 years ago)
- Registered office
- Unit 8, Billington Road, Leighton Buzzard, LU7 9HH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 7 November 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Leighton Buzzard
Other active plumbing and heating companies registered in Leighton Buzzard.
- Edj Industrial Services Ltd2020
- G.R. Heating & Plumbing Ltd2011
- Green Heat Renewable Solutions Limited2012
- GS Plumbing & Heating (Leighton Buzzard) Ltd2021
- GZB Mechanical Services Ltd2025
- Heatfix21 Ltd2015
- Heatsafe Gas and Plumbing Ltd2016
- JMS Pro Heating and Plumbing Ltd2019
All plumbing and heating companies in Leighton Buzzard · All trades in Leighton Buzzard · Plumbers and heating engineers across the UK
Frequently asked questions
When are D-Mec Services Limited's accounts due?
D-Mec Services Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is D-Mec Services Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is D-Mec Services Limited still trading?
D-Mec Services Limited 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 D-Mec Services Limited do?
D-Mec Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is D-Mec Services Limited?
D-Mec Services Limited was incorporated on 24 October 2000, 25 years ago.
What is the penalty if D-Mec Services Limited 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 D-Mec Services Limited 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.