- Company number
- 12201202
- Incorporated
- 11 Sep 20197 years trading
- Registered office
- 92A High Street, High Street, Orpington, BR6 0JY
- Nature of business
- Construction of domestic buildings
FLR Mechanical Ltd is a 7-year-old private limited company registered in Orpington, company number 12201202, one of 167 building contractors in Orpington. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £47K (-23.3%) on the year before, to £156K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £194K against £58K owed within a year: 3.4 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £156K | £194K | £58K | 2 | |
| 28 Feb 2024 | £203K | £243K | £64K | 1 | |
| 28 Feb 2023 | £201K | £244K | £53K | 1 | |
| 28 Feb 2022 | £195K | £347K | £165K | 1 | |
| 28 Feb 2021 | £52K | £161K | £118K | 1 |
Where FLR Mechanical Ltd is registered
The registered office is in Orpington (BR6), in the Bromley local authority area, London. Show BR6 0JY on a map.
Other trade companies in BR6
- Tog Fire Protection LtdPlumbers and heating engineers
- Pointfast Global LtdMachinery repair and installation
- Chebic Energy and Property Services LtdFinishing trades
- Prime Refurbishment Kent LtdBuilders
- A.D Building Services London LtdFinishing trades
- Nemo Wash and Go LtdCleaning companies
- T.E.A.Mspotless LtdCleaning companies
- Howard Construction LtdProperty developers
Also registered at this address
21 other companies use the same registered office as FLR Mechanical Ltd.
- BRW Electrical LtdElectricians
- Cjgregory LtdSpecialist contractors
- Colin Newland LtdSpecialist contractors
- Dempsey Construction LtdFinishing trades
- Dimension Property Service LtdBuilders
- E-Tech Mechanical and Electrical Services LtdElectricians
- Greenbridge Eco Group LtdSpecialist contractors
- Holwood Homes LimitedProperty developers
- House Building Services LimitedBuilders
- J Silvester & Sons Building & Maintenance LimitedFinishing trades
- Kandtems LtdBuilders
- Lexa Building Services LimitedFinishing trades
- Lexa MX LtdMotor traders
- LKZ Services LtdMachinery repair and installation
- London Fire & Engineering LimitedInstallers
- London Fire Compliance LtdBuilders
- Pickettandbosch Carpentry LtdSpecialist contractors
- Prompt Plumbing and Heating LtdPlumbers and heating engineers
- Psa Property and Development LimitedProperty developers
- Renelm Roofing & Leadworks LtdRoofers
- Woodgate Electrical Solutions LimitedElectricians
What happens if FLR Mechanical 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 12201202
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 September 2019 (7 years ago)
- Registered office
- 92A High Street, High Street, Orpington, BR6 0JY
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 30 December 2025
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 Orpington
Other active building contractors registered in Orpington.
- Fourth Little Pig Ltd2025
- Friargreen Construction Limited2012
- G&A Construction Ltd2026
- Global K & S Ltd2019
- Gold Dynamic Builders Ltd2022
- Goldenfield Property Developments Ltd2025
- Greatbuilt Limited2023
- GSBS Construction Services Ltd2023
All building contractors in Orpington · All trades in Orpington · Builders across the UK
Frequently asked questions
When are FLR Mechanical Ltd's accounts due?
FLR Mechanical Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is FLR Mechanical Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is FLR Mechanical Ltd still trading?
FLR Mechanical 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 FLR Mechanical Ltd do?
FLR Mechanical Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is FLR Mechanical Ltd?
FLR Mechanical Ltd was incorporated on 11 September 2019, 7 years ago.
What is the penalty if FLR Mechanical 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 FLR Mechanical 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.