- Companies
- Plumbers and heating engineers
- London
- NMK Central Heating and Boiler Services Ltd
NMK Central Heating and Boiler Services Ltd
- Company number
- 12748368
- Incorporated
- 16 Jul 20206 years trading
- Registered office
- 2 Old Court Mews, 311 A Chase Road, London, N14 6JS
- Nature of business
- Plumbing, heat and air-conditioning installation
NMK Central Heating and Boiler Services Ltd is a 6-year-old private limited company registered in London, company number 12748368, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £370 (+10%) on the year before, to £4,072.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £14K against £20K owed within a year: 0.7 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £4,072 | £14K | £20K | 3 | |
| 30 Jun 2024 | £3,702 | £23K | £30K | 3 | |
| 30 Jun 2023 | £3,910 | £14K | £26K | 3 | |
| 30 Jun 2022 | £24 | £12K | £19K | 3 | |
| 30 Jun 2021 | £151 | £13K | £20K | 2 |
Where NMK Central Heating and Boiler Services Ltd is registered
The registered office is in London (N14), in the Enfield local authority area, London. Show N14 6JS on a map.
Other trade companies in N14
- S & N Construction LtdBuilders
- Ekia Solutions LtdElectricians
- S&N Finishes LtdBuilders
- Soley London Group LtdElectricians
- Interior Build 1 LtdFinishing trades
- Niclons Engineering and Management LtdFinishing trades
- Kevlar Heating LimitedPlumbers and heating engineers
- Neonova Investments LtdProperty developers
Also registered at this address
19 other companies use the same registered office as NMK Central Heating and Boiler Services Ltd.
- Aylott Carpentry & Building LimitedFinishing trades
- Car Hub London LimitedMotor traders
- Designer Logo Matting Company LimitedFloor and wall tilers
- Dja Trading LimitedMotor traders
- Ecoheat Plumbing & Heating Solutions LtdPlumbers and heating engineers
- Ecs (Electrical Contracting Services) LtdElectricians
- G&A Gas Services LimitedPlumbers and heating engineers
- GB Plumbing & Heating LimitedPlumbers and heating engineers
- J Terry Building LtdBuilders
- Logic Plumbing LtdBuilders
- Miri Gardener LimitedLandscapers and gardeners
- Monivia Developments LtdSpecialist contractors
- Nelsons Plumbing and Heating LtdPlumbers and heating engineers
- Paramount Construction (UK) LimitedCivil engineering
- Paramount Property Care LimitedRoofers
- Paramount Property Group LimitedProperty developers
- Phoenixone LtdBuilders
- Southgate Motor Engineering LimitedMechanics and garages
- SWD Building Services LimitedPlumbers and heating engineers
What happens if NMK Central Heating and Boiler Services 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12748368
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 July 2020 (6 years ago)
- Registered office
- 2 Old Court Mews, 311 A Chase Road, London, N14 6JS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 15 July 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 London
Other active plumbing and heating companies registered in London.
- No More Leaks Ltd2025
- No Pressure Heating Solutions Limited2025
- Noa Services London Ltd2023
- Noaak Heating Engineer Ltd2025
- Noar Construction Ltd2023
- Noori's Plumbing Ltd2020
- Noreus Limited2007
- Norgreen Plumbing and Heating Ltd2026
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are NMK Central Heating and Boiler Services Ltd's accounts due?
NMK Central Heating and Boiler Services Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is NMK Central Heating and Boiler Services Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is NMK Central Heating and Boiler Services Ltd still trading?
NMK Central Heating and Boiler Services 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 NMK Central Heating and Boiler Services Ltd do?
NMK Central Heating and Boiler Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is NMK Central Heating and Boiler Services Ltd?
NMK Central Heating and Boiler Services Ltd was incorporated on 16 July 2020, 6 years ago.
What is the penalty if NMK Central Heating and Boiler Services 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 NMK Central Heating and Boiler Services 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.