- Company number
- 11580170
- Incorporated
- 20 Sep 20188 years trading
- Registered office
- 25 Turner Road, Slough, SL3 7AL
- Nature of business
- Construction of domestic buildings
Mayfair Design & Construction Ltd is a 8-year-old private limited company registered in Slough, company number 11580170, one of 683 building contractors in Slough.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Mayfair Design & Construction Ltd is registered
The registered office is in Slough (SL3), in the Slough local authority area, South East. Show SL3 7AL on a map.
Other trade companies in SL3
- Tac Design & Build LtdFinishing trades
- G&S Formwork LtdBuilders
- Klenzo LtdCleaning companies
- West London Crown Construction LtdBuilders
- Dahlia Investment Group LimitedProperty developers
- Ekon Electrics LtdElectricians
- R&G Maintenance LtdCleaning companies
- Cornerstone Homes & Estates LtdProperty developers
Also registered at this address
2 other companies use the same registered office as Mayfair Design & Construction Ltd.
- Pimlico Developments LtdFinishing trades
- Sxo Property Advisory LtdProperty developers
What happens if Mayfair Design & Construction 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 June 2021.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2021 to 31 Jul 2021 | £150 |
| 1 to 3 months late | 1 Aug 2021 to 30 Sep 2021 | £375 |
| 3 to 6 months late | 1 Oct 2021 to 31 Dec 2021 | £750 |
| More than 6 months late | From 1 Jan 2022 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2021 | £200 |
| 3 months late | 30 Dec 2021 | another £200 |
| 6 months late | 30 Mar 2022 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2022 | 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
- 11580170
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 September 2018 (8 years ago)
- Registered office
- 25 Turner Road, Slough, SL3 7AL
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2019
- Last confirmation statement
- 19 September 2020
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 Slough
Other active building contractors registered in Slough.
- Mayling Builders Ltd2012
- MDL Construction Limited2026
- MDN General Ltd2026
- MDR Builder Ltd2026
- Meadfield Development Ltd2025
- Mechora Group Ltd2025
- Megastar UK Ltd2020
- Melsi Ltd2025
All building contractors in Slough · All trades in Slough · Builders across the UK
Frequently asked questions
When are Mayfair Design & Construction Ltd's accounts due?
The register showed Mayfair Design & Construction Ltd's accounts as due on 30 June 2021. That date has passed; the Companies House register shows whether they have been filed since.
When is Mayfair Design & Construction Ltd's CT600 due?
The CT600 for the period to 30 September 2020 is due at HMRC by 30 September 2021, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2021.
Is Mayfair Design & Construction Ltd still trading?
Mayfair Design & Construction 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 Mayfair Design & Construction Ltd do?
Mayfair Design & Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Mayfair Design & Construction Ltd?
Mayfair Design & Construction Ltd was incorporated on 20 September 2018, 8 years ago.
What is the penalty if Mayfair Design & Construction 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 Mayfair Design & Construction 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.