- Company number
- 05804165
- Incorporated
- 3 May 200620 years trading
- Registered office
- 36 Lichfield Street, Walsall, WS1 1TJ
- Nature of business
- Roofing activities
J. Mills Building & Roofing Limited is a 20-year-old private limited company registered in Walsall, company number 05804165, one of 66 roofing companies in Walsall. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £45K (+622.8%) on the year before, to £53K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £62K against £27K owed within a year: 2.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £53K | £62K | £27K | 2 | |
| 31 May 2024 | £7,305 | £24K | £30K | 2 | |
| 31 May 2023 | -£26K | £7,567 | £13K | 0 | |
| 31 May 2022 | -£30K | £9,328 | £14K | 2 | |
| 31 May 2021 | -£39K | £9,161 | £18K | 2 | |
| 31 May 2020 | £10K | £2,880 | £50K | £50K | 2 |
| 31 May 2019 | £9,306 | £59K | £60K | £65K | 2 |
| 31 May 2018 | £17K | £32K | £43K | £33K | 1 |
| 31 May 2017 | £16K | £69K | £69K | £62K | 1 |
| 31 May 2016 | £1,102 | £18K | £22K | £32K |
Where J. Mills Building & Roofing Limited is registered
The registered office is in Walsall (WS1), in the Walsall local authority area, West Midlands. Show WS1 1TJ on a map.
Other trade companies in WS1
- Atlantic Eco Island Developments LtdProperty developers
- Misu Cleaning LtdCleaning companies
- The MOT Hub LtdMotor traders
- The Mirror Television Company LtdInstallers
- SCC Motors LimitedMotor traders
- Ome’S Property Services LtdCleaning companies
- Rama Automotive Consultant LtdMotor traders
- J Doku LimitedCleaning companies
Shared registered office
44 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if J. Mills Building & Roofing 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 05804165
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 May 2006 (20 years ago)
- Registered office
- 36 Lichfield Street, Walsall, WS1 1TJ
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 3 May 2026
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in Walsall
Other active roofing companies registered in Walsall.
- JB Roof Care Services Limited2015
- JCD Roofs Limited2025
- Josh Ranford Roofing Ltd2024
- Kestrel Solar Ltd2026
- Kpeakroofing Limited2025
- LDW Flat Roofing Services Ltd2023
- LFD Roofing Ltd2026
- Lloyds Industrial Roofing & Cladding Ltd2022
All roofing companies in Walsall · All trades in Walsall · Roofers across the UK
Frequently asked questions
When are J. Mills Building & Roofing Limited's accounts due?
J. Mills Building & Roofing Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is J. Mills Building & Roofing Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is J. Mills Building & Roofing Limited still trading?
J. Mills Building & Roofing 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 J. Mills Building & Roofing Limited do?
J. Mills Building & Roofing Limited is registered under Roofing activities (SIC 43910).
How old is J. Mills Building & Roofing Limited?
J. Mills Building & Roofing Limited was incorporated on 3 May 2006, 20 years ago.
What is the penalty if J. Mills Building & Roofing 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 J. Mills Building & Roofing 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.