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Loft Conversions & Extensions in London

Dormer, hip-to-gable, mansard, and Velux loft conversions, attic room renovations, and turnkey structural alterations.

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72 Greater London Districts
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Official Municipal Planning & Building Control Guidance

Planning Permission & Building Regs in London

Statutory local guidelines for Loft Conversions & Extensions under London City Council
London City Council Planning Portal Building Control
Permitted Development & Statutory Standards

Rear dormer loft additions permitted up to 40m³ (terraced) or 50m³ (semi-detached) under Class B. Materials must match existing finishes.

Article 4 Directions & Conservation Zones

Designated conservation areas across London require adherence to statutory Article 4 directions. Property owners must preserve original architectural profiles and consult the local planning register before altering highway-facing elevations.

Key Protected Zones: London Historic Core, Cathedral Quarter, Heritage Suburbs (20 designated areas).
Verified by Editorial Desk (Sep 2026) Request Council-Compliant Quote →
Dormer Loft Conversion Architectural Cross-Section Technical CAD Blueprint

Dormer Loft Conversion Architectural Cross-Section

Permitted development cubic volume allowance: 40m³ (terraced) / 50m³ (semi/detached) with RSJ structural steel placement.

Reference: Approved Document B (Fire Safety) & Class B Permitted Development
Showing 51–75 of 124 verified loft conversions & extensions in Greater London
Lumiere Lofts LTD

Lumiere Lofts LTD

Verified Local Listing 24/7 Callout
★ 5.00 (3 reviews)
• Base: SW7 • Quotes on Request
Loft Conversions & Extensions
07759 906265 View Profile & Reviews
Creative Space Design and Build Ltd

Creative Space Design and Build Ltd

Verified Local Listing
★ 5.00 (3 reviews)
• Base: SW9 • Quotes on Request
Loft Conversions & Extensions
020 8768 2867 View Profile & Reviews
Perfectloft

Perfectloft

Verified Local Listing
★ 5.00 (3 reviews)
• Base: SW18 • Quotes on Request
Loft Conversions & Extensions
07931 933500 View Profile & Reviews
J J Developments

J J Developments

Verified Local Listing
★ 5.00 (3 reviews)
• Base: SW19 • Quotes on Request
Loft Conversions & Extensions
07985 165444 View Profile & Reviews
Creative Space Design and Build Ltd

Creative Space Design and Build Ltd

Verified Local Listing
★ 5.00 (3 reviews)
• Base: E17 • Quotes on Request
Loft Conversions & Extensions
020 3137 4395 View Profile & Reviews
Hampstead Renovations Limited

Hampstead Renovations Limited

Verified Local Listing
★ 5.00 (3 reviews)
• Base: NW3 • Quotes on Request
Loft Conversions & Extensions Damp Proofing & Timber Bathroom & Kitchen Fitters
020 7101 3168 View Profile & Reviews
Loft Life Loft Conversion

Loft Life Loft Conversion

Verified Local Listing
★ 5.00 (2 reviews)
• Base: SE22 • Quotes on Request
Loft Conversions & Extensions
0800 028 0099 View Profile & Reviews
Simply Lofts

Simply Lofts

Verified Local Listing
★ 5.00 (1 reviews)
• Base: W1 • Quotes on Request
Loft Conversions & Extensions
020 3916 5182 View Profile & Reviews
London Loft Conversions

London Loft Conversions

Verified Local Listing
★ 5.00 (1 reviews)
• Base: SW18 • Quotes on Request
Loft Conversions & Extensions
020 8003 5907 View Profile & Reviews
Space on Top

Space on Top

Verified Local Listing
★ 5.00 (1 reviews)
• Base: SE4 • Quotes on Request
Loft Conversions & Extensions
07583 192896 View Profile & Reviews
Best Loft Conversion

Best Loft Conversion

Verified Local Listing
★ 5.00 (1 reviews)
• Base: N1 • Quotes on Request
Loft Conversions & Extensions
020 8077 1616 View Profile & Reviews
G4 Development

G4 Development

Verified Local Listing
★ 5.00 (1 reviews)
• Base: N4 • Quotes on Request
Loft Conversions & Extensions
07811 551551 View Profile & Reviews
Extension Kings Ltd

Extension Kings Ltd

Verified Local Listing 24/7 Callout
★ 5.00 (1 reviews)
• Base: N7 • Quotes on Request
Loft Conversions & Extensions
07870 877778 View Profile & Reviews
Loft Conversions London

Loft Conversions London

Verified Local Listing
★ 5.00 (0 reviews)
• Base: W1 • Quotes on Request
Loft Conversions & Extensions
020 7100 5428 View Profile & Reviews

Kevin Walker Loftspace Specialists Ltd

Verified Local Listing
★ 5.00 (0 reviews)
• Base: W4 • Quotes on Request
Loft Conversions & Extensions
020 8995 5298 View Profile & Reviews
West 5 Contracts

West 5 Contracts

Verified Local Listing
★ 5.00 (0 reviews)
• Base: W5 • Quotes on Request
Loft Conversions & Extensions
020 8567 1999 View Profile & Reviews
Luxury Builders Ltd

Luxury Builders Ltd

Verified Local Listing
★ 5.00 (0 reviews)
• Base: W5 • Quotes on Request
Loft Conversions & Extensions Painters & Decorators
020 8970 7018 View Profile & Reviews
LOFT SOUTH WEST LONDON

LOFT SOUTH WEST LONDON

Verified Local Listing
★ 5.00 (0 reviews)
• Base: SW15 • Quotes on Request
Loft Conversions & Extensions
020 8395 8847 View Profile & Reviews
Sunnyview Conversions

Sunnyview Conversions

Verified Local Listing
★ 5.00 (0 reviews)
• Base: SW16 • Quotes on Request
Loft Conversions & Extensions
07846 517640 View Profile & Reviews
Merton Loft Conversion

Merton Loft Conversion

Verified Local Listing
★ 5.00 (0 reviews)
• Base: SW19 • Quotes on Request
Loft Conversions & Extensions
020 8050 1392 View Profile & Reviews
Lioncrest Developments

Lioncrest Developments

Verified Local Listing 24/7 Callout
★ 5.00 (0 reviews)
• Base: SE16 • Quotes on Request
Loft Conversions & Extensions
07775 210007 View Profile & Reviews
Loft Conversions Extensions & Roofing Lofts & Roofing

Loft Conversions Extensions & Roofing Lofts & Roofing

Verified Local Listing
★ 5.00 (0 reviews)
• Base: E15 • Quotes on Request
Loft Conversions & Extensions
07466 868066 View Profile & Reviews
E17 Lofts LTD

E17 Lofts LTD

Verified Local Listing
★ 5.00 (0 reviews)
• Base: E17 • Quotes on Request
Loft Conversions & Extensions
07491 109737 View Profile & Reviews
Lxr Construction Ltd

Lxr Construction Ltd

Verified Local Listing
★ 5.00 (0 reviews)
• Base: E17 • Quotes on Request
Loft Conversions & Extensions
020 3811 8448 View Profile & Reviews
Loftconversionplans4U

Loftconversionplans4U

Verified Local Listing
★ 5.00 (0 reviews)
• Base: N7 • Quotes on Request
Loft Conversions & Extensions
07838 135957 View Profile & Reviews

Local Housing & Property Considerations in London

Georgian squares, London stock yellow-brick Victorian terraces, and modern high-rise developments; ultra-low emission zone (ULEZ) and parking logistics. When commissioning work in London, always ensure your tradesperson has direct experience with local building styles, planning regulations, and regional conservation guidelines.

Common Questions & Answers

Frequently Asked Questions About Loft Conversions & Extensions in London

How much does a Loft-conversions cost per hour in London?
In London, a qualified Loft-conversions typically charges between £45 – £75 per hour, or £280 – £450 for a full working day. Rates vary depending on emergency callouts, required materials, and project complexity.
What credentials or certifications should I check for a Loft-conversions in London?
Always verify that your Loft-conversions is accredited by competent person schemes. For gas or heating work, registration with the Gas Safe Register is a legal requirement. Additionally, check for active Public Liability Insurance (minimum £2 million recommended).
How many verified Loft-conversions are available in London on HireLondon?
We currently index 124 screened Loft-conversions operating across London and surrounding postal districts, maintaining an average customer satisfaction rating of 4.8★ based on 3,540 authentic customer reviews via Google.
Are quotes free, and do Loft-conversions in London charge a call-out fee?
Most reputable Loft-conversions in London provide free, no-obligation written quotes for scheduled home improvement projects. For emergency out-of-hours callouts (evenings/weekends), a minimum call-out charge of 1 hour is standard.