- Companies
- Builders
- Birmingham
- Mercia Design and Build Limited
Mercia Design and Build Limited
- Company number
- 10791848
- Incorporated
- 26 May 20179 years trading
- Registered office
- Unit 7, Castle Vale Enterprise Park Park Lane, Castle Vale, Birmingham, B35 6LJ
- Nature of business
- Construction of domestic buildings
Mercia Design and Build Limited is a 9-year-old private limited company registered in Birmingham, company number 10791848, one of 1,142 building contractors in Birmingham. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 down £10K (-1.1%) on the year before, to £913K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- Current assets of £2.3M against £2.1M owed within a year: 1.1 times cover.
- 47 employees on average, up from 40 the year before.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £913K | £327K | £2.3M | £2.1M | 47 |
| 31 May 2024 | £924K | £471K | £1.4M | £494K | 40 |
| 31 May 2023 | £635K | £458K | £1.4M | £822K | 32 |
| 31 May 2022 | £349K | £349K | £747K | £447K | 20 |
| 31 May 2021 | £329K | £386K | £671K | £421K | 17 |
| 31 May 2020 | £217K | £212K | £458K | £326K | 19 |
| 31 May 2019 | £210K | £336K | £644K | £484K | |
| 31 May 2018 | £7,758 | £74K | £74K | £76K |
Who runs and owns Mercia Design and Build Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** B*** | Director | May 2017 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| I*** G*** | Director | May 2017 | Jul 2020 |
Person with significant control
Charges (secured borrowing)
2 of 2 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Lloyds Bank PLC | Outstanding | May 2025 |
| Lloyds Bank PLC | Outstanding | May 2025 |
Where Mercia Design and Build Limited is registered
The registered office is in Birmingham (B35), in the Birmingham local authority area, West Midlands. Show B35 6LJ on a map.
Other trade companies in B35
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- R.S Motor Car Sales LtdMotor traders
- Mercia Roofing LimitedRoofers
- Thetyreshop.Co.UK LtdMotor traders
- M&A Vehicle Solutions LtdMotor traders
- Jetwash Team LtdSpecialist contractors
- Tarpov Group LtdFinishing trades
- HZG Trading LtdMotor traders
Also registered at this address
4 other companies use the same registered office as Mercia Design and Build Limited.
- Mercia Design & Build Holdings LimitedProperty developers
- Mercia Electrical Installations LtdElectricians
- Mercia Green Energy LtdPlumbers and heating engineers
- Mercia Roofing LimitedRoofers
What happens if Mercia Design and Build 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 10791848
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 May 2017 (9 years ago)
- Registered office
- Unit 7, Castle Vale Enterprise Park Park Lane, Castle Vale, Birmingham, B35 6LJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 20 March 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Birmingham
Other active building contractors registered in Birmingham.
- Mercia Ironstone Ltd2026
- Mercian Homes Ltd2026
- Meta Brickwork Ltd2024
- MF Construction Ltd2024
- MF Home Services Ltd2026
- MG Buzov Ltd2014
- MH Timber Ltd2026
- MHD Design & Build Ltd2026
All building contractors in Birmingham · All trades in Birmingham · Builders across the UK
Frequently asked questions
When are Mercia Design and Build Limited's accounts due?
Mercia Design and Build Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Mercia Design and Build Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Mercia Design and Build Limited still trading?
Mercia Design and Build 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 Mercia Design and Build Limited do?
Mercia Design and Build Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Mercia Design and Build Limited?
Mercia Design and Build Limited was incorporated on 26 May 2017, 9 years ago.
Who runs Mercia Design and Build Limited?
Mercia Design and Build Limited has 1 active director, the longest-serving appointed in May 2017. Their names and service addresses are on the Companies House register.
Who owns Mercia Design and Build Limited?
One person or company has significant control of Mercia Design and Build Limited: Mercia Design & Build Holdings Limited (owns 75% or more of the shares).
What is the penalty if Mercia Design and Build 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 Mercia Design and Build 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.