- Company number
- 13568246
- Incorporated
- 16 Aug 20215 years trading
- Registered office
- Unit 9 the Stables Goblands Farm Business Centre Cemetery Lane, Hadlow, Tonbridge, TN11 0LT
- Nature of business
- Roofing activities
Southern Membranes (Single Ply) Ltd is a 5-year-old private limited company registered in Tonbridge, company number 13568246, one of 27 roofing companies in Tonbridge. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £116 (+0.2%) on the year before, to £66K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £80K against £20K owed within a year: 4.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £66K | £80K | £20K | 1 | |
| 31 Aug 2024 | £66K | £102K | £45K | 1 | |
| 31 Aug 2023 | £41K | £66K | £29K | 1 | |
| 31 Aug 2022 | £35K | £49K | £14K | 1 |
Where Southern Membranes (Single Ply) Ltd is registered
The registered office is in Tonbridge (TN11), in the Tonbridge and Malling local authority area, South East. Show TN11 0LT on a map.
Other trade companies in TN11
- Fowler & Sons LtdFinishing trades
- G8 Secure Services LimitedSpecialist contractors
- Ironhawk Facilities Management LimitedSpecialist contractors
- Kool Climate Solutions LtdPlumbers and heating engineers
- Elite Exterior Cleaning & Co. LtdCleaning companies
- D Genie LimitedSpecialist contractors
- Elevate Scaffold LimitedScaffolders
- CR Bathrooms LtdSpecialist contractors
Also registered at this address
11 other companies use the same registered office as Southern Membranes (Single Ply) Ltd.
- A&B Projects LimitedFinishing trades
- All Flat Roofing Supplies LtdRoofers
- Avocet New Homes & Refurbishments LtdBuilders
- CS Properties (South East) LtdBuilders
- HKW Construction LimitedBuilders
- Innovations Heating and Electrical LtdPlumbers and heating engineers
- N Armstrong Construction and Refurbishment LtdBuilders
- R J Construction (Building Services) LimitedBuilders
- RKC Special Projects Rainscreen & Facades LtdRoofers
- RKC Special Projects Roofing & Cladding LtdRoofers
- Rock Rush Aggregates LtdCivil engineering
What happens if Southern Membranes (Single Ply) 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 13568246
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 August 2021 (5 years ago)
- Registered office
- Unit 9 the Stables Goblands Farm Business Centre Cemetery Lane, Hadlow, Tonbridge, TN11 0LT
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 15 August 2026
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in Tonbridge
Other active roofing companies registered in Tonbridge.
- Swift-Fix Roofing Ltd2026
- TJ Roofing Services Limited2005
- Weatherall Roofing Ltd2010
- All Flat Roofing Supplies Ltd2022
- All Type Roofing Repairs Ltd2025
- Alw Roofing Services Ltd2026
- Alyris Ltd2023
- B Sands Roofing Limited2018
All roofing companies in Tonbridge · All trades in Tonbridge · Roofers across the UK
Frequently asked questions
When are Southern Membranes (Single Ply) Ltd's accounts due?
Southern Membranes (Single Ply) Ltd's next accounts are due at Companies House by 31 May 2027 (in 229 days), covering the period to 31 August 2026.
When is Southern Membranes (Single Ply) Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Southern Membranes (Single Ply) Ltd still trading?
Southern Membranes (Single Ply) 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 Southern Membranes (Single Ply) Ltd do?
Southern Membranes (Single Ply) Ltd is registered under Roofing activities (SIC 43910).
How old is Southern Membranes (Single Ply) Ltd?
Southern Membranes (Single Ply) Ltd was incorporated on 16 August 2021, 5 years ago.
What is the penalty if Southern Membranes (Single Ply) 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 Southern Membranes (Single Ply) 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.