- Company number
- 17069706
- Incorporated
- 4 Mar 2026
- Registered office
- 15 Fairfield Avenue, London, NW4 3TN
- Nature of business
- Construction of domestic buildings; Buying and selling of own real estate
Macdonald Newbuild Ltd is a newly incorporated private limited company registered in London, company number 17069706, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 4 December 2027, and its first CT600 is due at HMRC on 3 March 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Macdonald Newbuild Ltd is registered
The registered office is in London (NW4), in the Barnet local authority area, London. Show NW4 3TN on a map.
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Also registered at this address
4 other companies use the same registered office as Macdonald Newbuild Ltd.
- Laurel Park Newbuild LimitedProperty developers
- Potters Newbuild LtdProperty developers
- Primelux Rentals LtdProperty developers
- The Bespoke Building Company Barnet LimitedBuilders
What happens if Macdonald Newbuild 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 4 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Dec 2027 to 4 Jan 2028 | £150 |
| 1 to 3 months late | 5 Jan 2028 to 4 Mar 2028 | £375 |
| 3 to 6 months late | 5 Mar 2028 to 4 Jun 2028 | £750 |
| More than 6 months late | From 5 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17069706
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 March 2026
- Registered office
- 15 Fairfield Avenue, London, NW4 3TN
- Nature of business
- Construction of domestic buildings (SIC 41202)
Buying and selling of own real estate (SIC 68100) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 28 April 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 London
Other active building contractors registered in London.
- Macdonogh Management Services Limited2016
- Maci Painters and Decorators Ltd2016
- Mack & Co Building Services Ltd2015
- Mackan Developments Ltd2011
- Macko Limited2020
- Macse Logistics Ltd2021
- Mactech Properties Ltd2016
- Mad Decor Limited2022
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Macdonald Newbuild Ltd's accounts due?
Macdonald Newbuild Ltd's next accounts are due at Companies House by 4 December 2027 (in 417 days), covering the period to 31 March 2027.
When is Macdonald Newbuild Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 3 March 2027, due by 3 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Macdonald Newbuild Ltd still trading?
Macdonald Newbuild 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 Macdonald Newbuild Ltd do?
Macdonald Newbuild Ltd is registered under Construction of domestic buildings (SIC 41202); Buying and selling of own real estate (SIC 68100).
How old is Macdonald Newbuild Ltd?
Macdonald Newbuild Ltd was incorporated on 4 March 2026, less than a year ago.
What is the penalty if Macdonald Newbuild 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 Macdonald Newbuild 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.