Physical address:
128 City Road, EC1V 2NX, London,UK
Loft Conversion Islington | Professional Loft Conversions in Islington

Fixiz Ltd delivers expert loft conversion services throughout the London Borough of Islington. From Angel and Highbury to Holloway and Finsbury Park, our skilled team transforms underused attic spaces into beautiful, functional rooms that add significant value to your property.
Why Choose a Loft Conversion in Islington?
Islington is one of London’s most sought-after inner-city boroughs, celebrated for its Georgian and Victorian terraces, thriving cultural scene, and excellent transport links. With property prices among the highest in the capital, a loft conversion represents an outstanding investment. Converting your loft in Islington can add up to 20% to your property value while providing essential extra living space for growing families or home working.
Loft Conversion Islington: Types We Offer
We specialise in all loft conversion types suitable for Islington properties:
Dormer Loft Conversions
The most popular option for Islington’s terraced houses. Dormer extensions project from the existing roof slope, creating excellent headroom and usable floor space. They work exceptionally well with the Victorian terraces found throughout Barnsbury, Canonbury, and Highbury.
Mansard Loft Conversions
Mansard conversions reshape the entire roof to create maximum additional space with a flat roof and steeply angled walls. This is a particularly common style in Islington, where homeowners want to maximise every square metre. Planning permission is generally required for mansard conversions.
L-Shaped Loft Conversions
Many Victorian terraces in Islington feature rear additions that create an L-shaped roof layout. Our L-shaped loft conversions make use of this configuration to deliver the maximum amount of new living space, often accommodating a bedroom with en-suite bathroom.
Velux Loft Conversions
Velux or rooflight conversions are the most affordable option, using high-quality roof windows to flood your new space with natural light. They typically fall under permitted development rights, meaning no planning application is needed.
Planning Permission for Loft Conversions in Islington
Islington has one of the highest concentrations of conservation areas in London, covering much of the borough including parts of Angel, Barnsbury, Canonbury, and Highbury. If your property falls within a conservation area, planning permission will almost certainly be required for your loft conversion. Our team has extensive experience navigating Islington Council’s planning requirements and can handle the entire application process on your behalf.
All loft conversions must comply with current building regulations covering structural safety, fire protection, thermal insulation, staircase design, and sound insulation. Fixiz Ltd manages the complete building control process to ensure full compliance.
Party Wall Agreements
Most Islington properties are terraced, meaning a Party Wall Agreement with your neighbours will be required before construction begins. This is a standard legal process under the Party Wall etc. Act 1996. We guide you through every step to ensure smooth communication with neighbours and full legal compliance.
Loft Conversion Costs in Islington
Typical loft conversion costs in Islington range from £30,000 to £75,000 depending on the conversion type, size, and specification:
- Velux loft conversion: from £30,000
- Dormer loft conversion: from £40,000
- L-shaped loft conversion: from £50,000
- Mansard loft conversion: from £55,000
We provide fully detailed, transparent quotations after a free site survey with no hidden costs or surprises.
Our Process
- Free site survey and consultation
- Architectural design and planning
- Structural engineering calculations
- Planning and building control submissions
- Party wall notices where required
- Construction and project management
- Final inspection and completion certificate
Why Choose Fixiz Ltd?
- Extensive experience with loft conversions across North and Central London
- Fully insured and CITB certified
- Complete project management from design to handover
- Building regulations compliant with full sign-off
- Transparent pricing with no hidden fees
- Free site survey and detailed quotation
Get a Free Quote
Contact Fixiz Ltd today for a free loft conversion consultation in Islington. We serve Angel, Highbury, Holloway, Finsbury Park, Barnsbury, Canonbury, Upper Street, and all surrounding areas.
