- Companies
- Joiners and carpenters
- Bishop Auckland
- C S Mills Joiners & Builders Ltd
C S Mills Joiners & Builders Ltd
- Company number
- 10601028
- Incorporated
- 6 Feb 20179 years trading
- Registered office
- 3 Westerton, Bishop Auckland, Co Durham, DL14 8AH
- Nature of business
- Joinery installation
C S Mills Joiners & Builders Ltd is a 9-year-old private limited company registered in Bishop Auckland, company number 10601028, one of 23 joinery companies in Bishop Auckland. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 down £11K (-3.5%) on the year before, to £315K.
- Net assets rose in 7 of 8 year-on-year comparisons on record.
- Current assets of £82K against £58K owed within a year: 1.4 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £315K | £82K | £58K | 2 | |
| 28 Feb 2025 | £326K | £308K | £88K | 2 | |
| 29 Feb 2024 | £240K | £264K | £123K | 2 | |
| 28 Feb 2023 | £193K | £183K | £54K | 2 | |
| 28 Feb 2022 | £124K | £133K | £50K | 2 | |
| 28 Feb 2021 | £94K | £95K | £73K | 2 | |
| 29 Feb 2020 | £74K | £79K | £17K | ||
| 28 Feb 2019 | £60K | £65K | £20K | ||
| 28 Feb 2018 | £22K | £37K | £15K |
Where C S Mills Joiners & Builders Ltd is registered
The registered office is in Bishop Auckland (DL14), in the County Durham local authority area, North East. Show DL14 8AH on a map.
Other trade companies in DL14
- FJ Maintenance Ne LtdSpecialist contractors
- MTS Electrics LtdElectricians
- TMRC LtdSpecialist contractors
- Bishop Car Wash LtdCleaning companies
- Victory Roofing LtdRoofers
- Rend-Pro North East LimitedProperty developers
- Vickers Detailing LimitedCleaning companies
- Orchard Tree Care Services LtdLandscapers and gardeners
What happens if C S Mills Joiners & Builders 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 10601028
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2017 (9 years ago)
- Registered office
- 3 Westerton, Bishop Auckland, Co Durham, DL14 8AH
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 5 February 2026
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Bishop Auckland
Other active joinery companies registered in Bishop Auckland.
- CBS Installations Limited2025
- David Steel Glazing & Joinery Ltd2016
- Dean Hunter Kitchens Limited2014
- DHDG (Ne) Limited2020
- FLP Joinery Ltd2022
- G C Joinery Services Limited2002
- JM Joinery Services (Ne) Ltd2018
- Jonathan Mills Joinery Services Limited2003
All joinery companies in Bishop Auckland · All trades in Bishop Auckland · Joiners and carpenters across the UK
Frequently asked questions
When are C S Mills Joiners & Builders Ltd's accounts due?
C S Mills Joiners & Builders Ltd's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is C S Mills Joiners & Builders Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is C S Mills Joiners & Builders Ltd still trading?
C S Mills Joiners & Builders 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 C S Mills Joiners & Builders Ltd do?
C S Mills Joiners & Builders Ltd is registered under Joinery installation (SIC 43320).
How old is C S Mills Joiners & Builders Ltd?
C S Mills Joiners & Builders Ltd was incorporated on 6 February 2017, 9 years ago.
What is the penalty if C S Mills Joiners & Builders 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 C S Mills Joiners & Builders 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.