What development costs here.
Westminster charges £794/m² residential CIL in its top zone — 3rd of 30 London boroughs; a consent here carries 3.3 conditions on average (19th heaviest of 19) and takes 9 weeks to decide (18th slowest of 32). We hold 488 of its s106 agreements and 44 viability assessments — the deeds and the numbers, not a rate table.
- CIL: highest Kensington And Chelsea £1,132/m², lowest Bexley £91/m² · Westminster £794/m².
- Conditions: heaviest Hillingdon 7.9, lightest Westminster 3.3 per consent · Westminster 3.3.
- Decision time: slowest Camden 15 wks, fastest Barking And Dagenham 8 wks · Westminster 9 wks.
- s106 per agreement (deeds read so far, ≥10 per borough): highest Croydon £700k median, lowest Kingston Upon Thames £950 · Westminster £51k (56 read).
The borough's charging schedule by zone and use, indexed where the council publishes an indexed figure, plus Mayoral CIL. Source: the council's CIL page.
Average conditions attached to a consent, from the decision notices we have read (5,741 in Westminster), and how long each type takes from receipt to decision.
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Most common conditions: approved drawings (8,707) · other (4,646) · materials (3,389) · archaeology heritage (1,210) · noise (698) · highways parking (166).
56 of the 488 agreements on file carry a pound total we have read: median £51k, mean £342k, largest £3.1m, £19m in total. Small undertakings dominate the median; the extraction is still running, so treat these as from the deeds read, not the borough total.
Scheme size is the unit count parsed from the proposal; agreements without one are left out here.
Every obligation in the Westminster agreements we have read, grouped by what it is for — the money by type where a sum is stated, and how often each type appears at all (most obligations are unpriced: build this, provide that).
- Carbon offset & energy£7.8m35 deeds
- Affordable housing£5.3m19 deeds
- Employment & training£4.2m26 deeds
- Education£830k5 deeds
- Open space & play£500k10 deeds
- Health£295k5 deeds
- Public realm£232k2 deeds
- Cycle provision£125k6 deeds
| Monitoring & legal fees | 53% · London 47% | most: Merton 82% | |
| Highways & road safety | 36% · London 28% | most: Tower 62% | |
| Carbon offset & energy | 34% · London 25% | most: Greenwich 67% | |
| Other | 25% · London 40% | most: Brent 77% | |
| Employment & training | 25% · London 14% | most: Greenwich 39% | |
| Affordable housing | 18% · London 29% | most: Southwark 69% | |
| Car club / permit-free | 13% · London 27% | most: Ealing 53% | |
| Construction management | 11% · London 21% | most: Barnet 61% | |
| Open space & play | 10% · London 16% | most: Brent 46% | |
| Cycle provision | 6% · London 17% | most: Barnet 58% |
Red tick = London share across every deed read (2,311).
- Carbon offset & energy · in 32 of 104 deeds · typically £87k“Carbon off-setting projects within the City of Westminster”
- Monitoring & legal fees · in 27 of 104 deeds · typically £500“Monitoring costs for this Deed of Variation”
- Employment & training · in 21 of 104 deeds · typically £66k“Local employment, training opportunities, skills development and Westminster Employment Service support for Local Reside”
- Affordable housing · in 4 of 104 deeds · typically £1.3m“Index-linked financial contribution for provision of affordable housing within City of Westminster”
- Cycle provision · in 3 of 104 deeds · typically £23k“Cycle Hire Network Contribution towards initiatives to expand cycle hire network”
- Other · in 1 of 104 deeds · typically £25k“£500 for Council's reasonable costs and disbursements”
- Open space & play · in 1 of 104 deeds · typically £500k“Public art provision within Public Art Area - alteration or replacement permitted with Council approval”
- Education · in 1 of 104 deeds · typically £415k“Education contribution (Primary Schools)”
- Monitoring & legal fees · in 37 of 104 deeds (36%)“Estimated Monitoring Fee for City Council checking, agreeing and approving matters related to and monitoring the carryin”
- Highways & road safety · in 37 of 104 deeds (36%)“Highway Works including reinstatement of crossovers, new crossover, and associated infrastructure”
- Other · in 26 of 104 deeds (25%)“Variation of planning permission and associated obligations”
- Affordable housing · in 15 of 104 deeds (14%)“Affordable Business Space provision (Schedule 1, paragraphs 2.1 and 2.3.2 to 2.3.5) - discharged”
- Car club / permit-free · in 14 of 104 deeds (13%)“Measures to mitigate potential increased demand for on-street residents car parking in the vicinity of the site. Residen”
- Construction management · in 11 of 104 deeds (11%)“Code of Construction Practice compliance from commencement of demolition/development until practical completion”
- Open space & play · in 9 of 104 deeds (9%)“The Developer shall provide a new open space and play area for local residents.”
- Employment & training · in 8 of 104 deeds (8%)“Employment and Skills Plan for local resident employment targets”
These carry no sum in the deed but cost time, design and management to deliver — the hidden cost of consent here.
Approved schemes since 2015 with a unit count in the proposal; “with s106” means we hold the agreement — a floor, not the council's full count. Smallest scheme here with an agreement on file: 1 unit.
Share of approved 10+ unit schemes with an agreement on file (boroughs with 100+ deeds held) — highest Croydon 83%, lowest Kingston Upon Thames 30% · Westminster 60%. On small schemes (1–9 units) agreements are rare everywhere except where a small-sites tariff applies: Lambeth 56%, Hackney 54%, Kensington And Chelsea 48%, Camden 44%.
Policy thresholds differ too — most boroughs seek affordable housing from 10 units (national threshold), some (Islington) charge a small-sites contribution from the first unit; the deed rate above is what actually happens, not what the policy says.
Every s106 agreement we hold for Westminster, newest first, linked to its application (the document itself is on the application page). “Unread” = on file, terms not yet extracted.
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