- Companies
- Finishing trades
- Harrow
- Mayfair Builders Ltd
Mayfair Builders Ltd
- Company number
- 11557923
- Incorporated
- 7 Sep 20188 years trading
- Registered office
- Grove House Third Floor, 55 Lowlands Road, Harrow, HA1 3AW
- Nature of business
- Other building completion and finishing
Mayfair Builders Ltd is a 8-year-old private limited company registered in Harrow, company number 11557923, one of 251 building finishing companies in Harrow. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 up £2,417 on the year before, to £2,467.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- Current assets of £16K against £5,403 owed within a year: 3.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £2,467 | £16K | £5,403 | 1 | |
| 30 Sep 2024 | £50 | £15K | £1,338 | 1 | |
| 30 Sep 2023 | £818 | £8,938 | £139 | 0 | |
| 30 Sep 2022 | £1,941 | £23K | £321 | 2 | |
| 30 Sep 2021 | £2,402 | £35K | £5,294 | 1 | |
| 30 Sep 2020 | £9,812 | £39K | £63 | 1 | |
| 30 Sep 2019 | £166 | -£1,045 | £2,211 |
Who runs and owns Mayfair Builders Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| T*** M*** | Director | Sep 2018 |
Person with significant control
Where Mayfair Builders Ltd is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 3AW on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
12 other companies use the same registered office as Mayfair Builders Ltd.
- Falcon Electrical Contractors LtdElectricians
- Jol Construction Services LtdBuilders
- Mark James Property Solutions Ltd.Finishing trades
- MJ & CJ LtdGroundworks and demolition
- Morrissey Electrical LimitedElectricians
- New Vista LimitedProperty developers
- P & P House Keeping LtdCleaning companies
- Solidify Construct LtdBuilders
- Solidify LimitedBuilders
- Solidify M&E LtdElectricians
- Speednine LimitedMotor traders
- Tamber Construction LimitedCivil engineering
What happens if Mayfair Builders 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 11557923
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 September 2018 (8 years ago)
- Registered office
- Grove House Third Floor, 55 Lowlands Road, Harrow, HA1 3AW
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 3 September 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Harrow
Other active building finishing companies registered in Harrow.
- MCH Construction Ltd2016
- MG Construction Builder Services Ltd2026
- Middlesex Loft & Construction Limited2018
- Miguelito Construct Ltd2018
- Mirauta Ltd2011
- Mis Plastering Ltd2017
- Mitrut Ltd2025
- Monocouche Render Supplies Ltd2021
All building finishing companies in Harrow · All trades in Harrow · Finishing trades across the UK
Frequently asked questions
When are Mayfair Builders Ltd's accounts due?
Mayfair Builders Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Mayfair Builders Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Mayfair Builders Ltd still trading?
Mayfair Builders 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 Builders Ltd do?
Mayfair Builders Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Mayfair Builders Ltd?
Mayfair Builders Ltd was incorporated on 7 September 2018, 8 years ago.
Who runs Mayfair Builders Ltd?
Mayfair Builders Ltd has 1 active director, the longest-serving appointed in Sep 2018. Their names and service addresses are on the Companies House register.
Who owns Mayfair Builders Ltd?
One person or company has significant control of Mayfair Builders Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Mayfair Builders 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 Builders 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.