- Companies
- Installers
- Northampton
- Miller MC Carron Ltd
Miller MC Carron Ltd
- Company number
- 12516910
- Incorporated
- 13 Mar 20206 years trading
- Registered office
- 5 Giffard Court, Millbrook Close, Northampton, NN5 5JF
- Nature of business
- Other construction installation; Other specialised construction activities n.e.c.
Miller MC Carron Ltd is a 6-year-old private limited company registered in Northampton, company number 12516910, one of 122 installation companies (insulation, lifts, shutters and similar) in Northampton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £30K (+9.1%) on the year before, to £363K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £470K against £133K owed within a year: 3.5 times cover.
- 2 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £363K | £335K | £470K | £133K | 2 |
| 31 Mar 2024 | £332K | £21K | £470K | £163K | 2 |
| 31 Mar 2023 | £397K | £115K | £486K | £111K | 2 |
| 31 Mar 2022 | £315K | £107K | £516K | £221K | 2 |
| 31 Mar 2021 | £123K | £33K | £291K | £170K | 2 |
Where Miller MC Carron Ltd is registered
The registered office is in Northampton (NN5), in the West Northamptonshire local authority area, East Midlands. Show NN5 5JF on a map.
Other trade companies in NN5
- RNR Autos LtdMotor traders
- County Cooling & Electrical LtdPlumbers and heating engineers
- Ceramilux Construct LimitedBuilders
- Aetoj LtdMachinery repair and installation
- Base2Build LtdBuilders
- Osadrew Services LtdCleaning companies
- SK Corex LtdProperty developers
- Avv Carpentry LimitedJoiners and carpenters
Also registered at this address
15 other companies use the same registered office as Miller MC Carron Ltd.
- A & N Fireplace Services LimitedInstallers
- A D Ceramics Ltd.Facilities management
- A T Jones Building Services LtdBuilders
- Auto Elite 60 LtdMechanics and garages
- Barrington Stud LtdProperty developers
- City Demolition Services LimitedGroundworks and demolition
- Heatex Gas Solutions LtdPlumbers and heating engineers
- J & M Harding Developments LtdProperty developers
- Konstruct LimitedSpecialist contractors
- PK3 Consulting LtdBuilders
- Ream-Clean LimitedCleaning companies
- Resco Holdings LimitedProperty developers
- Rhino Fabrications (Eastcote) LimitedMachinery repair and installation
- Staverton Park Developments LimitedProperty developers
- VDC Projects LimitedBuilders
What happens if Miller MC Carron 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 12516910
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 March 2020 (6 years ago)
- Registered office
- 5 Giffard Court, Millbrook Close, Northampton, NN5 5JF
- Nature of business
- Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 13 March 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Northampton
Other active installation companies (insulation, lifts, shutters and similar) registered in Northampton.
- Motordrivecraft Limited2025
- Moulton Kitchens Ltd.2016
- MRD Installations Ltd2015
- MV Interiors Limited2023
- Nexus Kitchens Ltd2024
- NF Construction Ltd2026
- Northants Garage Doors Limited2020
- Northants Home Improvements Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Northampton · All trades in Northampton · Installers across the UK
Frequently asked questions
When are Miller MC Carron Ltd's accounts due?
Miller MC Carron Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Miller MC Carron Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Miller MC Carron Ltd still trading?
Miller MC Carron 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 Miller MC Carron Ltd do?
Miller MC Carron Ltd is registered under Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).
How old is Miller MC Carron Ltd?
Miller MC Carron Ltd was incorporated on 13 March 2020, 6 years ago.
What is the penalty if Miller MC Carron 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 Miller MC Carron 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.