Loft conversions in London
Loft conversions in London: turn the dusty attic into a bedroom, office or hideaway. Tell us about your roof and up to 3 local builders will quote.
✨ Free to use🤝 No obligation🔒 Shared with 3 pros max
✅ What your loft conversions covers in London
- A survey of your roof space and structure
- Velux, dormer, hip-to-gable or mansard options
- Floor strengthening and insulation
- Stairs, windows and fire safety
- Electrics, heating and finishing
💷 Typical loft conversions prices in London
| Velux (rooflight) conversion | £35,000 to £55,000 |
| Dormer loft conversion | £55,000 to £85,000 |
| Mansard conversion | £70,000 to £110,000 |
💬 Questions about loft conversions in London
Is my loft suitable in London?
Most need about 2.2 metres of head height at the highest point. A builder can check this on a quick visit before you commit to anything.
Do I need planning permission?
Many loft conversions fall under permitted development. Flats, conservation areas and bigger roof changes usually need permission. Ask builders when they quote.
How long will it take?
Often 8 to 12 weeks of building work once approvals are in. Your builder will plan it with you.
📍 Find loft conversions by borough
- Barking and DagenhamIG11, RM8, RM9, RM10
- BarnetN2, N3, N11, N12, N20, NW4, NW7, NW9, NW11, EN4, EN5, HA8
- BexleyDA5, DA6, DA7, DA8, DA14, DA15, DA16, DA17, SE2
- BrentNW2, NW10, HA0, HA9
- BromleyBR1, BR2, BR3, BR4, BR5, BR6, BR7, SE20
- CamdenNW1, NW3, NW5, NW6, WC1
- City of LondonEC1, EC2, EC3, EC4
- CroydonCR0, CR2, CR7, CR8, SE19, SE25
- EalingW3, W5, W7, W13, UB1, UB2, UB5, UB6
- EnfieldEN1, EN2, EN3, N9, N13, N14, N18, N21
- GreenwichSE3, SE7, SE9, SE10, SE18, SE28
- HackneyE5, E8, E9, N16
- Hammersmith and FulhamW6, W12, W14, SW6
- HaringeyN6, N8, N10, N15, N17, N22
- HarrowHA1, HA2, HA3, HA5, HA7
- HaveringRM1, RM2, RM3, RM5, RM7, RM11, RM12, RM13, RM14
- HillingdonHA4, HA6, UB3, UB4, UB7, UB8, UB10
- HounslowW4, TW3, TW4, TW5, TW7, TW8, TW13, TW14
- IslingtonN1, N4, N5, N7, N19
- Kensington and ChelseaW8, W10, W11, SW3, SW5, SW7, SW10
- Kingston upon ThamesKT1, KT2, KT3, KT6, KT9
- LambethSE11, SE24, SE27, SW2, SW4, SW8, SW9, SW16
- LewishamSE4, SE6, SE8, SE12, SE13, SE14, SE23, SE26
- MertonSW19, SW20, CR4, SM4
- NewhamE6, E7, E12, E13, E15, E16, E20
- RedbridgeIG1, IG2, IG3, IG4, IG5, IG6, IG8, E18
- Richmond upon ThamesTW1, TW2, TW9, TW10, TW11, TW12, SW13, SW14
- SouthwarkSE1, SE5, SE15, SE16, SE17, SE21, SE22
- SuttonSM1, SM2, SM3, SM5, SM6
- Tower HamletsE1, E1W, E2, E3, E14
- Waltham ForestE4, E10, E11, E17
- WandsworthSW11, SW12, SW15, SW17, SW18
- WestminsterW1, W2, W9, SW1, NW8, WC2
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