Loft conversions • Roofing • Extensions • Refurbishments
Build on trust,
designed to last.
Crestline Lofts & Construction delivers high-quality residential building work across London, with a tidy site culture, clear communication, and a finish that’s built to perform—today and years from now.
- 10+ years in the industry
- Clear scope & itemised quotes
- Quality workmanship & aftercare
- London-wide coverage
- On-site organisation & tidy standards
About us
Craftsmanship, communication, and a professional site—start to finish.
Crestline Lofts & Construction is a London-based building company delivering loft conversions, extensions, roofing, and refurbishments for homeowners who want the job done properly—structurally sound, well-finished, and managed with respect for your home.
Director: Dashmir Shuti
Dashmir leads Crestline with a hands-on, on-site approach—planning the build, coordinating trades, and checking details. Clients value being able to speak directly with the person responsible for quality and progress.
How we keep projects smooth
- Help you finalise key choices early (layout, bathrooms, windows, finishes).
- Realistic timelines and clear explanations of what can affect them.
- Correct sequencing of trades so work doesn’t need redoing.
Why homeowners choose Crestline
- Professional workmanship and strong finishing standards.
- Respect for your home—tidy sites and clear updates.
- Practical advice that protects budget and resale appeal.
Services
Tap a service to view details, stages, timelines, and guide pricing.
Loft Conversions
Ideal for adding a master bedroom with en-suite, a home office, or a guest room without losing garden space.
Stages
- Survey & feasibility
- Design & structural calculations
- Structural build & roof works
- First fix → insulation → plastering
- Second fix → finishing → snagging
Time & price (guide)
- Velux: 4–6 weeks
- Dormer: 6–8 weeks
- Hip-to-gable: 8–10 weeks
- Typical London guide: £50k–£90k+
Home Extensions
Create a brighter, larger family space and improve the flow of your home—one of the most popular upgrades for London properties.
Stages
- Design & approvals (if needed)
- Groundworks & foundations
- Structure, steels, making watertight
- First fix services → plaster
- Second fix → finishes → snagging
Time & price (guide)
- Single storey build: 8–16 weeks
- Two storey build: 14–16+ weeks
- London guide: £3k–£5k per m²
Roofing
We diagnose the root cause and fix it properly—flashings, ventilation, waterproofing details and durable finishes.
Stages
- Inspection & clear explanation
- Access setup & safety
- Repair or strip & renew
- Leadwork/flashings & drainage
- Final check & tidy finish
Time & price (guide)
- Small repairs: same day
- Larger repairs: 1–3 days
- Full replacement: a few days+
- Repairs guide: £250–£2,500
House Refurbishments
From kitchens and bathrooms to full home renovations—planned properly so it stays efficient and finishes stay clean.
Stages
- Scope & planning
- Strip out & prep
- First fix services
- Second fix & fitting
- Decorating & snagging
Time & price (guide)
- Room refresh: a few weeks
- Refurb: 6–12 weeks
- Full reno: 4–8+ months
- Depends on scope & spec
Value & Benefits
Why lofts and extensions are some of the most popular upgrades for London homes.
Loft conversions: more bedrooms without moving
A well-designed loft conversion can add a new bedroom, a home office, or a master suite with en-suite. For many buyers, an extra bedroom (and especially an extra bathroom) is a major decision-maker—because it changes how the home works day to day.
If you’re thinking about resale, loft conversions often help a property feel “bigger” without sacrificing garden space. They can also reduce common buyer objections like “there isn’t enough space” or “there’s no room to work from home”.
Extensions: transform the layout and lifestyle
Extensions are often chosen to create the “heart of the home”: a bigger kitchen, dining area, or family room with more light. This kind of space tends to photograph well, show well, and feel modern—helping homes stand out when it’s time to sell.
An extension can also solve practical problems: adding a utility room, improving storage, opening up the layout, and creating better flow. These upgrades make daily life easier now and can make the property more attractive to future buyers.
Examples that add strong appeal
- Loft: double bedroom + en-suite (often the best “wow factor” upstairs).
- Extension: kitchen/family room with large glazing to the garden.
- Refurb: modern kitchen & bathroom + clean finishes and lighting plan.
- Roofing: tidy, watertight roof reduces buyer concerns and survey issues.
How we keep value in mind
- We advise on layouts that feel natural (stairs position, head height, storage).
- We help you choose finishes that look premium without wasting budget.
- We focus on details buyers notice: doors, trims, tiling lines, and clean handover.
- We keep the build organised so the finished result looks professional.
Projects
For photos and recent work, visit our Instagram.
Click here to see projects
View recent loft conversions, extensions, roofing work and refurbishment finishes.
Open Instagram: @crestline_loftsContact
Crestline Lofts & Construction • Chingford • Serving all London
Details
- Phone
- 07403 177734
- info@crestlineloftsconstruction.co.uk
- Address
- 63 Godwin Close, Sewardstone Road, Chingford, E4 7RQ UK
- @crestline_lofts
Request a quote
Fill the form and it will open an email to info@crestlineloftsconstruction.co.uk.