- Companies
- Finishing trades
- Sheffield
- Oak Mechanical Limited
Oak Mechanical Limited
- Company number
- 07912660
- Incorporated
- 17 Jan 201214 years trading
- Registered office
- 205 Outgang Lane, Sheffield, S25 3QY
- Nature of business
- Other building completion and finishing
Oak Mechanical Limited is a 14-year-old private limited company registered in Sheffield, company number 07912660, one of 232 building finishing companies in Sheffield. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 Oak Mechanical LimitedOr 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.
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 £61K (+8.1%) on the year before, to £804K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- 10 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £804K | £515K | £167K | 10 | |
| 31 Jan 2025 | £744K | £277K | £318K | 10 | |
| 31 Jan 2024 | £496K | £258K | £245K | 10 | |
| 31 Jan 2023 | £419K | £230K | £206K | 7 | |
| 31 Jan 2022 | £306K | £241K | £147K | 6 | |
| 31 Jan 2021 | £213K | £187K | £333K | 6 | |
| 31 Jan 2020 | £348K | £312K | £300K | ||
| 31 Jan 2019 | £413K | £189K | £401K | ||
| 31 Jan 2018 | £228K | £185K | £542K | £357K | 7 |
| 31 Jan 2017 | £284K | £204K | £467K | £240K | 5 |
Who runs and owns Oak Mechanical Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| C*** B*** | Director | Jan 2012 |
| K*** B*** | Director | Jan 2012 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| C*** D*** | Director | Jan 2012 | Jun 2023 |
| J*** D*** | Director | Jan 2012 | Jun 2023 |
People with significant control (2)
Where Oak Mechanical Limited is registered
The registered office is in Sheffield (S25), in the Rotherham local authority area, Yorkshire and The Humber. Show S25 3QY on a map.
Other trade companies in S25
- Marsden Engineering Services LtdCivil engineering
- Life Building Works LimitedBuilders
- Large & Forte Developers LtdProperty developers
- Labrum Carpentry & Joinery LimitedJoiners and carpenters
- T Mitra Trades LtdMotor traders
- Pro-Tect Industrial Doors LtdMachinery repair and installation
- 247Care Companionship LtdPainters and decorators
- Piston & Patch Garage LtdMotor traders
Shared registered office
64 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 Oak Mechanical 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 07912660
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 January 2012 (14 years ago)
- Registered office
- 205 Outgang Lane, Sheffield, S25 3QY
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 5 June 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Sheffield
Other active building finishing companies registered in Sheffield.
- Oakstone Homes Limited1994
- Oj Construction Limited2019
- Okemb Services Limited2025
- Oldfield Masonry Limited2023
- P C Ceilings and Partitions Limited2019
- P Feeney Limited2011
- Paul Rudram Construction Limited2013
- Peak Building and Joinery Limited2017
All building finishing companies in Sheffield · All trades in Sheffield · Finishing trades across the UK
Frequently asked questions
When are Oak Mechanical Limited's accounts due?
Oak Mechanical Limited's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is Oak Mechanical Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Oak Mechanical Limited still trading?
Oak Mechanical 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 Oak Mechanical Limited do?
Oak Mechanical Limited is registered under Other building completion and finishing (SIC 43390).
How old is Oak Mechanical Limited?
Oak Mechanical Limited was incorporated on 17 January 2012, 14 years ago.
Who runs Oak Mechanical Limited?
Oak Mechanical Limited has 2 active directors, the longest-serving appointed in Jan 2012. Their names and service addresses are on the Companies House register.
Who owns Oak Mechanical Limited?
2 people or companies have significant control of Oak Mechanical Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Oak Mechanical 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 Oak Mechanical 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.