- Companies
- Builders
- Carshalton
- MKM General Building Ltd
MKM General Building Ltd
- Company number
- 10192352
- Incorporated
- 20 May 201610 years trading
- Registered office
- 4 Home Close, Carshalton, Surrey, SM5 2LT
- Nature of business
- Construction of domestic buildings
MKM General Building Ltd is a 10-year-old private limited company registered in Carshalton, company number 10192352, one of 104 building contractors in Carshalton. 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 down £6,343 (-95.8%) on the year before, to £281.
- Net assets rose in 2 of 8 year-on-year comparisons on record.
- Current assets of £5,444 against £13K owed within a year: 0.4 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £281 | £5,444 | £13K | 2 | |
| 31 May 2024 | £6,624 | £15K | £13K | 2 | |
| 31 May 2023 | £13K | £19K | £14K | 2 | |
| 31 May 2022 | £15K | £36K | £20K | 2 | |
| 31 May 2021 | £19K | £33K | £8,618 | 2 | |
| 31 May 2020 | -£10K | £6,381 | £17K | 2 | |
| 31 May 2019 | -£10K | £390 | £10K | 2 | |
| 31 May 2018 | £500 | -£4,022 | £659 | £159 | 0 |
| 31 May 2017 | -£4,010 | £531 | £3,023 | £7,033 | 0 |
Where MKM General Building Ltd is registered
The registered office is in Carshalton (SM5), in the Sutton local authority area, London. Show SM5 2LT on a map.
Other trade companies in SM5
- Rich Detailz LtdMechanics and garages
- Sutton Motor and Garage LtdMechanics and garages
- Ecobuild Plumbing & Heating LtdPlumbers and heating engineers
- Aaircon Services LtdPlumbers and heating engineers
- Perthy Properties (Greenhills) LimitedProperty developers
- Jophp LimitedCleaning companies
- Pro-Type Roofing LtdRoofers
- Mic Cleaning LimitedCleaning companies
What happens if MKM General Building 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 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
- 10192352
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 May 2016 (10 years ago)
- Registered office
- 4 Home Close, Carshalton, Surrey, SM5 2LT
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 19 May 2026
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 Carshalton
Other active building contractors registered in Carshalton.
- MTB Quality Painting & Decorating Services Limited2021
- Murtagh Construction Services Ltd2018
- Neighbourhood Builders Ltd2025
- Neron 82 Limited2015
- Next Phase Limited Ltd2026
- Nick's Bespoke Construction Ltd2021
- November House Construction Ltd2018
- Otio Properties Limited2024
All building contractors in Carshalton · All trades in Carshalton · Builders across the UK
Frequently asked questions
When are MKM General Building Ltd's accounts due?
MKM General Building Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is MKM General Building Ltd'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 MKM General Building Ltd still trading?
MKM General Building 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 MKM General Building Ltd do?
MKM General Building Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is MKM General Building Ltd?
MKM General Building Ltd was incorporated on 20 May 2016, 10 years ago.
What is the penalty if MKM General Building 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 MKM General Building 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.