- Companies
- Groundworks and demolition
- Reading
- Mac Demolition Ltd
Mac Demolition Ltd
- Company number
- 12488512
- Incorporated
- 28 Feb 20206 years trading
- Registered office
- Unit 6 Mill Farm, Sonning Eye, Reading, RG4 6TR
- Nature of business
- Demolition
Mac Demolition Ltd is a 6-year-old private limited company registered in Reading, company number 12488512, one of 7 groundworks and demolition companies in Reading. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 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 £69K (-10.9%) on the year before, to £561K.
- Current assets of £787K against £611K owed within a year: 1.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £561K | £64K | £787K | £611K | 2 |
| 31 Mar 2024 | £629K | £2,237 | £691K | £503K | 2 |
| 31 Mar 2023 | £904K | £12K | £1.3M | £648K | 2 |
Who runs and owns Mac Demolition Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** C*** | Director | Feb 2020 |
Person with significant control
Where Mac Demolition Ltd is registered
The registered office is in Reading (RG4), in the South Oxfordshire local authority area, South East. Show RG4 6TR on a map.
Other trade companies in RG4
- Soma Garden LtdLandscapers and gardeners
- Katharos Cleaning Specialist LimitedCleaning companies
- Cosi Cool LtdPlumbers and heating engineers
- Hadley Home Renovations LimitedBuilders
- Ahmz Motor Group LtdMotor traders
- Green Workspaces LtdLandscapers and gardeners
- Nature Wipes LtdCleaning companies
- Dukes Conservation LimitedSpecialist contractors
Also registered at this address
7 other companies use the same registered office as Mac Demolition Ltd.
- C Kitchens LtdPlumbers and heating engineers
- Calcot Developments LimitedProperty developers
- Clipinteriors LimitedJoiners and carpenters
- Knight Structural LimitedSpecialist contractors
- Lakevern LtdProperty developers
- Signia LimitedSpecialist contractors
- Signia Turn Key LimitedInstallers
What happens if Mac Demolition 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 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
- 12488512
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 February 2020 (6 years ago)
- Registered office
- Unit 6 Mill Farm, Sonning Eye, Reading, RG4 6TR
- Nature of business
- Demolition (SIC 43110)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 27 February 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Reading
Other active groundworks and demolition companies registered in Reading.
- Pre-Dem Consulting Ltd2023
- Thomas Geoconsulting Limited2015
- Turner Bros Demolition Limited1999
- CDPS 360 Limited2016
- Hepper Demolition Ltd2022
- Hill Project Services Ltd2004
All groundworks and demolition companies in Reading · All trades in Reading · Groundworks and demolition across the UK
Frequently asked questions
When are Mac Demolition Ltd's accounts due?
Mac Demolition Ltd's next accounts are due at Companies House by 30 December 2026 (in 79 days), covering the period to 30 March 2026.
When is Mac Demolition Ltd's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Mac Demolition Ltd still trading?
Mac Demolition 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 Mac Demolition Ltd do?
Mac Demolition Ltd is registered under Demolition (SIC 43110).
How old is Mac Demolition Ltd?
Mac Demolition Ltd was incorporated on 28 February 2020, 6 years ago.
Who runs Mac Demolition Ltd?
Mac Demolition Ltd has 1 active director, the longest-serving appointed in Feb 2020. Their names and service addresses are on the Companies House register.
Who owns Mac Demolition Ltd?
One person or company has significant control of Mac Demolition Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Mac Demolition 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 Mac Demolition 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.