- Companies
- Plumbers and heating engineers
- Dukinfield
- Mills Heating Northwest Ltd
Mills Heating Northwest Ltd
- Company number
- 16577301
- Incorporated
- 11 Jul 20251 year trading
- Registered office
- 53 Tennyson Avenue, Dukinfield, Cheshire, SK16 5DR
- Nature of business
- Plumbing, heat and air-conditioning installation
Mills Heating Northwest Ltd is a 1-year-old private limited company registered in Dukinfield, company number 16577301, one of 9 plumbing and heating companies in Dukinfield. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Mills Heating Northwest LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2026
From the balance sheet at 31 July 2026, as filed at Companies House.
Where Mills Heating Northwest Ltd is registered
The registered office is in Dukinfield (SK16), in the Tameside local authority area, North West. Show SK16 5DR on a map.
Other trade companies in SK16
- Med Rail LimitedElectricians
- MS North Build LtdBuilders
- Tower Mill Autos LimitedMechanics and garages
- M’N’S Pressure Washing LtdCleaning companies
- Corlen Group LtdBuilders
- DMG Northwest LimitedInstallers
- MH Exterior Solutions LtdCleaning companies
- Ah Elite Decor LimitedPainters and decorators
What happens if Mills Heating Northwest 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
- 16577301
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 July 2025 (1 year ago)
- Registered office
- 53 Tennyson Avenue, Dukinfield, Cheshire, SK16 5DR
- 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
- 10 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 Dukinfield
Other active plumbing and heating companies registered in Dukinfield.
- MM Plumb and Heat Ltd2023
- MM Plumbing & Heating Ltd2019
- Precision HVAC Limited2023
- Warehams Air Conditioning Ltd2024
- Abs Plumbing&Heating Ltd2025
- Ac Aov Ltd2021
- Affordable Cooling Solutions Ltd2026
- Heat Pump Life Limited2021
All plumbing and heating companies in Dukinfield · All trades in Dukinfield · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mills Heating Northwest Ltd's accounts due?
Mills Heating Northwest Ltd's next accounts are due at Companies House by 30 April 2028 (in 564 days), covering the period to 31 July 2027.
When is Mills Heating Northwest 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 Mills Heating Northwest Ltd still trading?
Mills Heating Northwest 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 Mills Heating Northwest Ltd do?
Mills Heating Northwest Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mills Heating Northwest Ltd?
Mills Heating Northwest Ltd was incorporated on 11 July 2025, 1 year ago.
What is the penalty if Mills Heating Northwest 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 Mills Heating Northwest 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.